MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous embedded links, with one heuristic specifically identifying a large external link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. The document body, though heavily obfuscated, appears to contain technical jargon related to database errors, likely serving as a lure to disguise the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://traffine.ru/strik?utm_term=db2+sql+error+sqlcode+407+sqlstate+23502
- https://static.s123-cdn-static.com/uploads/4455659/normal_5fc456bcc8041.pdf
- https://cdn-cms.f-static.net/uploads/4495043/normal_5fd79fba9d581.pdf
- https://padudarudiloga.weebly.com/uploads/1/3/4/7/134714427/mazajujolarixum_guvovebefidos_papevekalo.pdf
- https://cdn-cms.f-static.net/uploads/4493600/normal_5fda8a5d0839f.pdf
- https://cdn-cms.f-static.net/uploads/4452152/normal_5faa5951752a4.pdf
- https://cdn-cms.f-static.net/uploads/4443595/normal_5fbc7ef21fa1b.pdf
- https://jorimedazaget.weebly.com/uploads/1/3/0/7/130738946/8c61dbe35ee13.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/pevuwarobuvowa/fovalavodiwelu.pdf
- https://s3.amazonaws.com/sefukirexuwekij/muzofibapebumugofot.pdf
- https://uploads.strikinglycdn.com/files/41957535-b759-4969-8f31-01bc88b89911/cardiac_anatomy_definition.pdf
- https://uploads.strikinglycdn.com/files/0e91c5ee-b454-49a2-8b75-1879321375eb/piralawob.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_off0000d644.bin938a3c52746b814551f52d548194630e51fac24caadf453820190153079208dd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD644 | 5928 bytes |
font_01_sfnt_off0000ea88.binc4cee92197412aa8a8046cde0a50777182f9cfa5ff312497c15e2458a4e7964b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA88 | 12260 bytes |
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