MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for a malicious redirector link pointing to 'https://traffmen.ru/strik?utm_term=ludo+classic+apk+2018'. ML classification and ClamAV also flagged this file as malicious. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs. The primary attack pattern involves luring the user to a malicious URL.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 4
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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://traffmen.ru/strik?utm_term=ludo+classic+apk+2018
- https://static.s123-cdn-static.com/uploads/4387703/normal_5fe2389a6d784.pdf
- https://cdn.sqhk.co/retirijozi/zgd7ica/tigunozudabari.pdf
- https://cdn-cms.f-static.net/uploads/4464303/normal_5fd7c11ba3e64.pdf
- https://cdn.sqhk.co/lawafopugu/gghbThb/zekigodexunasusimafumar.pdf
- https://cdn-cms.f-static.net/uploads/4376380/normal_5fd61b8e2aad4.pdf
- https://static.s123-cdn-static.com/uploads/4487631/normal_5fe02b0bf1249.pdf
- https://cdn.sqhk.co/vufisolepu/ehaiBay/49538897991.pdf
- https://static.s123-cdn-static.com/uploads/4464056/normal_5fcfaaebdb661.pdf
- https://cdn-cms.f-static.net/uploads/4367961/normal_5f8b839e0d107.pdf
- https://cdn.sqhk.co/lafugafeniki/iF3hj5d/smart_balance_butter_vegan.pdf
- https://cdn-cms.f-static.net/uploads/4373997/normal_5f91e0d21fd16.pdf
- https://cdn-cms.f-static.net/uploads/4456132/normal_5fbf17f03160b.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/6c8f2d02-e975-492e-81fb-f560c15cf524/eden_christian_academy_berkeley_hills.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ca19.bin9b113cdd32e087b136dc01ddc0106d9a14164c7ae49235fe3b68604f29a5ed6d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCA19 | 5072 bytes |
font_01_sfnt_off0000db55.bin502ef2939ff7f7178634ef3c8eae70e86f7fea7ac5f8dd881390f635e4c2427a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB55 | 11036 bytes |
font_02_sfnt_off000100e6.bin4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100E6 | 4324 bytes |
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