MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing or malicious link farm. It contains numerous external links, with one notable URL pointing to 'trafficel.ru', suggesting a potential phishing or spamming campaign. The presence of a large number of external links, as indicated by the PDF_SEO_LINK_FARM heuristic, points towards an attempt to manipulate search engine results or redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://trafficel.ru/strik?utm_term=pharmacology+case+study+workbook+answers
- https://kovovovugatu.weebly.com/uploads/1/3/4/5/134599685/pofulujupuf_bevup_bumazakezug.pdf
- https://cdn-cms.f-static.net/uploads/4424378/normal_5fb623c853b38.pdf
- https://cdn-cms.f-static.net/uploads/4373527/normal_5fadc10b71e8e.pdf
- https://mogezisatizate.weebly.com/uploads/1/3/0/7/130775403/6fc070d6.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/gedimuta/wakonulos.pdf
- https://uploads.strikinglycdn.com/files/ca1e0bfa-0287-44ee-9800-84dbf4ac13e2/death_in_the_clouds.pdf
- https://uploads.strikinglycdn.com/files/69e83a31-112c-4a7b-b299-3b0ae6175650/riludivejuzunopaxizo.pdf
- https://uploads.strikinglycdn.com/files/a6a73377-4220-4af1-8ded-51174a3f27e0/beau_pere_1981_movie_300mb.pdf
- https://s3.amazonaws.com/biwubeleba/41145158805.pdf
- https://s3.amazonaws.com/fasanag/86304412080.pdf
- https://s3.amazonaws.com/wovisak/free_autocad_2007_software_with_crack.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_off0000b8f7.bin2273f62d9cbae975a4a352bf4803636df98526f656f2325bf4f99fd21a7448ca |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB8F7 | 5752 bytes |
font_01_sfnt_off0000cc78.bin17dff7cbcca911332f832419cabb087b47ab4bf3d8214f195ae91c9f85a80fa1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC78 | 10252 bytes |
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