MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. 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 0.9995
Heuristics 7
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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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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://archism.ru/pbw?utm_term=how+to+get+more+diamonds+in+superstar+smtown PDF link annotation
- https://cdn-cms.f-static.net/uploads/4404520/normal_602e0e8d6e3df.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4420930/normal_5fcaa9702b804.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370064/normal_606a416514b5a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425501/normal_606dc8b0c44fb.pdfIn PDF document text
- https://soxotinimom.weebly.com/uploads/1/3/4/8/134883838/5ea7b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4366347/normal_6006fb4c35803.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459478/normal_6032e39d7aeb4.pdfIn PDF document text
- https://kusebedanosude.weebly.com/uploads/1/3/1/1/131163667/zazok.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444369/normal_601974fe3e756.pdfIn PDF document text
- https://lovetawufekevo.weebly.com/uploads/1/3/4/3/134339121/1605381.pdfIn PDF document text
- https://kosazuritejozu.weebly.com/uploads/1/3/0/8/130874521/2576710.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378383/normal_60638f2692c82.pdfIn PDF document text
- https://bufetijakuvarit.weebly.com/uploads/1/3/4/8/134878832/kanolowuditona_niwileva_gipiwar.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377936/normal_6042c61c9a36b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485569/normal_601835d1a8b96.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366348/normal_603d37e69c222.pdfIn PDF document text
- https://gonaxazurunuta.weebly.com/uploads/1/3/0/7/130739517/8210234.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In 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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f46d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF46D | 2936 bytes |
SHA-256: af6738d2f3aa98d96fd342bcd52b6e446681406dea2e68526d9b450973476a6c |
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font_01_sfnt_off0000fef0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEF0 | 5180 bytes |
SHA-256: 9ef9a3ad64ad16a41bfc800fbae789f146d38ac215b570ac4a0e9319b2874406 |
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font_02_sfnt_off00011084.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11084 | 11924 bytes |
SHA-256: 2d69a7afd30bc3f693e28e4a3760486dd0f2928e55c6d2e4e7c2179629e4b5ed |
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font_03_sfnt_off0001391d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1391D | 16060 bytes |
SHA-256: bb4620ae2308066493f479cb0495314a41e91f5b0bfb2a754d9bad2ef34af03d |
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font_04_sfnt_off00014db3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DB3 | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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