MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a critical heuristic firing for linking to known malicious redirector infrastructure, specifically 'https://gettraff.ru/aws?utm_term=cytosol+definition+pdf'. ClamAV also detected it as Pdf.Phishing.Trojan. The ML classifier strongly flagged this PDF as malicious. While no scripts were extracted, the embedded URL and the nature of the heuristics indicate a phishing or malware delivery attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://gettraff.ru/aws?utm_term=cytosol+definition+pdf
- https://cdn-cms.f-static.net/uploads/4427538/normal_5fa0867c01a7d.pdf
- https://cdn-cms.f-static.net/uploads/4387419/normal_5f8d7bd23f27c.pdf
- https://cdn-cms.f-static.net/uploads/4380382/normal_5fa2dfb8029a7.pdf
- https://cdn-cms.f-static.net/uploads/4416665/normal_5f97af43d0946.pdf
- https://cdn-cms.f-static.net/uploads/4474746/normal_5fa8aa8a82512.pdf
- https://cdn-cms.f-static.net/uploads/4445889/normal_5fbc39284a3c4.pdf
- https://cdn-cms.f-static.net/uploads/4385030/normal_5fa1de377e84f.pdf
- https://cdn-cms.f-static.net/uploads/4371806/normal_5f9c2d139c543.pdf
- https://cdn-cms.f-static.net/uploads/4464070/normal_5fa223860ed3d.pdf
- https://cdn-cms.f-static.net/uploads/4422145/normal_5fad81b80eac5.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/muxegeza/pelewozumamovuloliwu.pdf
- https://uploads.strikinglycdn.com/files/256b6c60-9d98-441d-b296-749aa060620d/understanding_art_11th_edition_ebook.pdf
- https://s3.amazonaws.com/fomaralunex/pneumonia_severity_index_espaol.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
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001245a.binc1855c759b9d4a37cc606ed6eb5977e6e1e710900e7d7003b1c725322b7f7f4d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1245A | 4736 bytes |
font_01_sfnt_off00013499.binf90b2b33dbb1f069b5c475dc211af448c588532c5d2d4ee93c4818aec9aca0f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13499 | 12336 bytes |
font_02_sfnt_off00015cf3.bin3c904e35a177b6dbb92fb4a72ebcf70f4514e6e9eb8bdc0a540163946dcb2d80 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15CF3 | 16084 bytes |
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