MALICIOUS
226
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. It uses a password-protected-archive 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 0.9998
Heuristics 7
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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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://infrive.ru/pbw?utm_term=code+naruto+ultimate+ninja+5 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4375887/normal_603c3ef5a3576.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465007/normal_5fd28a95979a0.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4499309/normal_60b2f49822fbe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450640/normal_601e857f31323.pdfIn PDF document text
- https://fekanefitogi.weebly.com/uploads/1/3/4/3/134340372/dufupasugu.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4401989/normal_5fec1b6548563.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484997/normal_5fd14634ea9e8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374175/normal_602b409aa6115.pdfIn PDF document text
- https://jijibeworazari.weebly.com/uploads/1/3/7/5/137515782/2714299.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/992a27cb-135b-48fb-9de2-b93e993c077e/41481982592.pdfIn PDF document text
- http://minuwaxiper.pbworks.com/w/file/fetch/144845973/advanced_trauma_life_support_uk_guidelines.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a67c632-6391-40d1-9720-6eea12146e04/dometic_duo_therm_thermostat_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b3845461-4f29-43a5-9146-d60cbeba8a27/juzelidojisagita.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a99d2376-7826-4074-9ec0-1b267196b4f0/tosuk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b1a1f777-7b0b-4b80-86d7-a1c184da43f6/6155386132.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0875e729-d4da-4b72-a404-b1210c2763ec/how_to_text_on_doro_phone.pdfIn PDF document text
- http://vajaxasave.pbworks.com/w/file/fetch/144462111/dozufemebumu.pdfIn PDF document text
- http://beratirupo.pbworks.com/w/file/fetch/144489333/how_many_atoms_are_in_1.5_moles_of_water_h2o.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010065.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10065 | 4280 bytes |
SHA-256: d0d206d5b15b7ae9340c0111bcd6b3038f65f2acc404651fb57e18e1e4453025 |
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font_01_sfnt_off00010fa5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FA5 | 4900 bytes |
SHA-256: a349330eb4dbdeed52c6b39d35cf6dbf3828119ff646746d7db146206dd98628 |
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font_02_sfnt_off00012031.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12031 | 11184 bytes |
SHA-256: ad8edf0ad334f2f9fb4b29d5a1e2e32e9f309d5490a7428007d47d7dc63fba67 |
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