MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The file contains a large number of external links, many pointing to PDF files hosted on link farm domains, suggesting a SEO poisoning or phishing campaign. The presence of embedded URLs and the overall structure strongly suggest it's designed to redirect users to malicious content or facilitate further exploitation.
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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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=asvab+word+knowledge
- https://cdn-cms.f-static.net/uploads/4389366/normal_5fa5f28149282.pdf
- https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/zuvekazabuz-topofelo-gupolekodojavo-ponabiloxe.pdf
- https://dimaxafazeza.weebly.com/uploads/1/3/1/4/131453031/8767144.pdf
- https://cdn-cms.f-static.net/uploads/4415045/normal_5f9cfa459616a.pdf
- https://cdn-cms.f-static.net/uploads/4370057/normal_5f9122d265822.pdf
- https://cdn-cms.f-static.net/uploads/4369313/normal_5f99cf9cd9ec7.pdf
- https://betirowi.weebly.com/uploads/1/3/4/6/134661799/4235674.pdf
- https://jetizapu.weebly.com/uploads/1/3/4/3/134371104/2877297.pdf
- https://cdn-cms.f-static.net/uploads/4375095/normal_5f899ccb282d7.pdf
- https://repugonajipivup.weebly.com/uploads/1/3/0/8/130814926/8563257.pdf
- https://cdn-cms.f-static.net/uploads/4379726/normal_5fa435de097fa.pdf
- https://cdn-cms.f-static.net/uploads/4383928/normal_5f8bdc5fd6d76.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://uploads.strikinglycdn.com/files/09759acc-80d6-4509-9594-aec47a01fe1e/27041313881.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_off0000c95e.bin46cf26265bd650ae80cdf080d98adef8bb00af1af3ff875742e406d4bd6efa1b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC95E | 5340 bytes |
font_01_sfnt_off0000dbad.bin09efaf06f30c5f8b7f2913a19318e805c977d6e0ac674cbffcb1982d93d60315 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBAD | 10056 bytes |
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