MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 5
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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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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://trafficel.ru/123?utm_term=two+step+equations+integers+calculator PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369797/normal_5f92c87ae984e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374704/normal_5fb68fa173d74.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449181/normal_5fab7d7614c54.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446636/normal_5fb9146fd9596.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369499/normal_5f87eaa677966.pdfIn PDF document text
- https://nujuwededewomoj.weebly.com/uploads/1/3/4/3/134305400/5889933.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377401/normal_5f8e4fd6b8089.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4416675/normal_5fb58afa40596.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367960/normal_5f9e802b8bb00.pdfIn PDF document text
- https://toxoxazagole.weebly.com/uploads/1/3/0/9/130969938/68c1f8ca71.pdfIn PDF document text
- https://xufizigox.weebly.com/uploads/1/3/4/4/134479456/milopikigom_pidufalavasu_tojasonufopo_bimutijit.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/bejexe/suzuki_lt230_carburetor.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_off0000c1f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1F2 | 5268 bytes |
SHA-256: cb95f7dea1a2aab483661119c2e7753af2141709b004bf2b07c11847de24eb5d |
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font_01_sfnt_off0000d3fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3FE | 11984 bytes |
SHA-256: 6b8029e88fdfcab0621c14bd1503e10d72e60c4ec04f174412b6c3e96dff3fe6 |
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