MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan' and an ML classifier indicating maliciousness. It contains numerous external links, with one prominent URL pointing to 'trafffi.ru', suggesting a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and heuristic firings strongly indicate malicious intent, likely related to spearphishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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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=asus+vn248q+p+review
- https://cdn-cms.f-static.net/uploads/4367687/normal_5f917e3373d40.pdf
- https://cdn-cms.f-static.net/uploads/4366027/normal_5f9300ef65ab0.pdf
- https://texitanoz.weebly.com/uploads/1/3/0/7/130739996/natubanewa.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- http://www.daltonmaag.com/
- https://uploads.strikinglycdn.com/files/d555ba5e-77fc-4266-9b36-06c9aee21677/lexus_is300_service_manual_downl.pdf
- https://s3.amazonaws.com/luxelula/98583482621.pdf
- https://uploads.strikinglycdn.com/files/a71a5632-1252-425b-91a8-7513aea2c2eb/gabewikawalobaxo.pdf
- https://s3.amazonaws.com/gaxuremewuger/suvifokeratarosemat.pdf
- https://s3.amazonaws.com/fapaga/minecraft_lego_instructions_21141.pdf
- https://s3.amazonaws.com/ruzaganog/working_principle_of_autoclave_machine.pdf
- https://s3.amazonaws.com/lebaxa/maytag_neptune_owners_manual_download.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_off0000f286.bin6ce655dd5c7e00439563b058f6ad365cb675307c6d2afa9ca574b412fc5822dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF286 | 4944 bytes |
font_01_sfnt_off0001036d.bin1cee10c1cb55951a7377b7f5b78de54db379eb23b017faa49ac6abae0ef1f9fc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1036D | 11728 bytes |
font_02_sfnt_off00012b88.bind1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B88 | 4324 bytes |
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