MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to 'trafffi.ru', which is likely part of a phishing campaign. The document body, though heavily obfuscated, contains text related to 'solve for x problems' and authoring information from wkhtmltopdf, suggesting a lure to a malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
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Embedded URL info EMBEDDED_URLOne or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.URL https://trafffi.ru/strik?utm_term=solve+for+x+problems
- https://cdn-cms.f-static.net/uploads/4366063/normal_5f87449b890b7.pdf
- https://cdn-cms.f-static.net/uploads/4369163/normal_5f87eea8d457f.pdf
- https://cdn-cms.f-static.net/uploads/4463543/normal_5fad256a904e8.pdf
- https://cdn-cms.f-static.net/uploads/4370985/normal_5fa09f5bb4ac7.pdf
- https://cdn-cms.f-static.net/uploads/4410416/normal_5fa98f7d96c75.pdf
- https://cdn-cms.f-static.net/uploads/4366382/normal_5fb41ea14773c.pdf
- https://cdn-cms.f-static.net/uploads/4366042/normal_5f8c6fa03f832.pdf
- https://cdn-cms.f-static.net/uploads/4390642/normal_5f97da55c3095.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/gorajikunobixi/word_for_giving_power.pdf
- https://uploads.strikinglycdn.com/files/9d6321fc-b99b-46be-a9d3-bb6255e25d83/fagubitinepexamopojumif.pdf
- https://s3.amazonaws.com/xanofamaja/lasonirip.pdf
- https://uploads.strikinglycdn.com/files/352628d9-af12-4111-9a52-789c7ee2e13d/jikujavixemepajuvutaj.pdf
- https://uploads.strikinglycdn.com/files/56b886e1-597f-4157-a747-e8811c9ba6ec/77490189747.pdf
- https://s3.amazonaws.com/sepawi/17512972275.pdf
- https://s3.amazonaws.com/lixisariwulo/35666516426.pdf
- https://uploads.strikinglycdn.com/files/2ae04df9-ad50-4f47-829d-a95a03b659dc/guwesikarixafejisejuwelu.pdf
- 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/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cf3c.bin1796b3afa072b2a3417c1dad4fbb4036a6332a53636dedc695b7bdebe59910a3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF3C | 5208 bytes |
font_01_sfnt_off0000e0e7.binc2918e5bbc4909f54fc3e6ea55b3df0e8bf1b273444411fa347ec59957e5792a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E7 | 10540 bytes |
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