MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous external links, suggesting a link farm or redirection mechanism to potentially malicious sites. The presence of embedded URLs and the PDF_SEO_LINK_FARM heuristic strongly indicate the document's purpose is to drive traffic to external resources, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 5
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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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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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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://trafffe.ru/123?utm_term=words+that+begin+with+master PDF link annotation
- https://cdn-cms.f-static.net/uploads/4468836/normal_5fad695facf34.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495037/normal_5fada6d8a1830.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449402/normal_5faf612e0e39d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370777/normal_5f912674ec830.pdfIn PDF document text
- https://jomitapekox.weebly.com/uploads/1/3/4/3/134319499/tovevukodijup_gupofewe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373261/normal_5f93fea975217.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478946/normal_5fa7f015e2e64.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/93265d1b-c89f-4681-b989-5c3b925ef0f6/75351003574.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff22f885-acb2-4256-a54d-2bba021712c6/36694319418.pdfIn PDF document text
- https://s3.amazonaws.com/sukedil/32825099075.pdfIn PDF document text
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b2c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB2C6 | 5452 bytes |
SHA-256: 54b62bbf8b176556122de75b7f9a909662e2157c89e453a812635d9594a7c628 |
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font_01_sfnt_off0000c53a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC53A | 10408 bytes |
SHA-256: 700facb11ebe1ab7d3cb969dba693c8e67651679e6948b9eca292dbf03b8b3be |
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