MALICIOUS — a771bd_89a894dba9034fff8fbea486cd45411c.pdf

MALICIOUS — a771bd_89a894dba9034fff8fbea486cd45411c.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (88/100). 3 of 53 detection engines flagged it.

Identification

• SHA-256: 36f80abc53e4eafea98e217e93769bbdd3d54c1ff05ed06940eaebc3308d0f53
• SHA-1: 89212d83eab8d8feb5a8e4ad2812618c07dff533
• MD5: 0059ac2288d775993849fcf0acc94f60
• ssdeep: 768:ugGzpDqQSD5V5bypzqXhSXQC+nLw5/IEmAyqpdf4d4qS9TqJ:LGF+7kCwaEmjqD4rlJ
• TLSH: T1A131AEF36167ED8C368B7753AEE5150A7048C3886122EB7019C87B2CC8781FEAD58D61
• Submitted as: a771bd_89a894dba9034fff8fbea486cd45411c.pdf
• File type: pdf · Size: 42796 bytes
• Verdict: malicious (88/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

Why this verdict

The malicious score of 88/100 is the fusion of 6 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule high-entropy-blob) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: https://ttraff.cc/wix?keyword=skyrim+crashing+on+startup+no+mods, https://cdn.shopify.com/s/files/1/0431/6843/2288/files/16840063768.pdf, https://cdn.shopify.com/s/files/1/0438/5826/4229/files/whatsapp_spy_tus_descargas_es.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: js, uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Embedded URLs

• https://ttraff.cc/wix?keyword=skyrim+crashing+on+startup+no+mods
• https://cdn.shopify.com/s/files/1/0431/6843/2288/files/16840063768.pdf
• https://cdn.shopify.com/s/files/1/0438/5826/4229/files/whatsapp_spy_tus_descargas_es.pdf
• https://cdn.shopify.com/s/files/1/0432/7243/7913/files/xamarin_android_emulator_mac.pdf
• https://cdn.shopify.com/s/files/1/0431/8262/0834/files/58055646743.pdf
• http://potowixe.yosefrefaeli.com/uploads/1/3/0/8/130814328/batenex_poraziradukiweb_jivogakiveked_tumewirezodemil.pdf
• https://cdn.shopify.com/s/files/1/0436/9124/5733/files/13444938578.pdf
• https://cdn.shopify.com/s/files/1/0452/8803/0370/files/maths_logical_reasoning_questions_with_answers.pdf
• https://5073ecb5-de6b-4da6-93c3-bef75053cb73.filesusr.com/ugd/c1de29_a428be5fbb5b4f4d8bb66195fe971114.pdf?index=true
• https://5a5b7d38-7f0b-4e92-9ccd-076edc9e83c5.filesusr.com/ugd/ab922d_71409b324187461ea8ce5f0513b5ff04.pdf?index=true
• https://38725697-8af4-4f59-9cc5-8d26b5a37cf8.filesusr.com/ugd/529dbf_79abd388e7b64b1f87db2500ed3f1d63.pdf?index=true
• https://dd894573-7770-4b88-9555-d0d04f311cde.filesusr.com/ugd/430cb2_e449efa94ff84538be7efa76e6801277.pdf?index=true
• https://7042973a-4f66-4183-a33b-9cafd1a1436e.filesusr.com/ugd/cfbfd2_98d7eb9fed11446bab476428048956bf.pdf?index=true
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/rights/

Embedded domains

• ttraff.cc
• cdn.shopify.com
• potowixe.yosefrefaeli.com
• 5073ecb5-de6b-4da6-93c3-bef75053cb73.filesusr.com
• 5a5b7d38-7f0b-4e92-9ccd-076edc9e83c5.filesusr.com
• 38725697-8af4-4f59-9cc5-8d26b5a37cf8.filesusr.com
• dd894573-7770-4b88-9555-d0d04f311cde.filesusr.com
• 7042973a-4f66-4183-a33b-9cafd1a1436e.filesusr.com
• www.w3.org
• purl.org
• ns.adobe.com

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