MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many of which point to PDF files hosted on various platforms. The presence of a link farm and the ClamAV detection as 'Pdf.Phishing.Trojan' strongly suggest a phishing or malware distribution attempt. The ML classifier also flagged this PDF with high confidence. While no scripts were directly extracted, the structure and URL patterns are indicative of a malicious campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
Heuristics 7
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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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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/123?utm_term=android+apk+cracked+apps
- https://cdn-cms.f-static.net/uploads/4374853/normal_5f928a52245dd.pdf
- https://lorujuxivole.weebly.com/uploads/1/3/4/5/134595667/jirumijixaker.pdf
- https://cdn-cms.f-static.net/uploads/4499635/normal_5faeb48671fa0.pdf
- https://zadavutuni.weebly.com/uploads/1/3/4/3/134343582/5336337.pdf
- https://cdn-cms.f-static.net/uploads/4405430/normal_5fa2fd9748227.pdf
- https://zurowesijeja.weebly.com/uploads/1/3/4/6/134630916/mufobolijupemiza.pdf
- https://cdn-cms.f-static.net/uploads/4481527/normal_5fb4baddbf739.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/sugosubexez/73837592333.pdf
- https://uploads.strikinglycdn.com/files/27ba019d-5762-4962-b3d2-843896c7a248/dirty_boyz_discography.pdf
- https://s3.amazonaws.com/vavapekadoliti/77245507276.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_off00018a2a.bin3e176ff26dc8f945e046c156d37d07fe07cd5dae06cade83e9a31df6c2ef9bfc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18A2A | 5088 bytes |
font_01_sfnt_off00019b89.bin8e629a8d4931ef4895bf02ad72466a9bb8eebec74508b40d555065b849c575e9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19B89 | 11192 bytes |
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