MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a large number of external links, identified as a link farm hosted on disposable domains. This behavior is indicative of SEO manipulation or a distribution mechanism for malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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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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://wirolarem.weebly.com/uploads/1/3/1/6/131636642/9aeb7dc1428a992.pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4490752/normal_5ff9a61c45c0e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410431/normal_60272697ac59a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380867/normal_602ceb054dec8.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454303/normal_60609cd0bf139.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443815/normal_603068a02b6d5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4497095/normal_602f49b1ed4e6.pdfIn PDF document text
- https://paruleponovaro.weebly.com/uploads/1/3/5/3/135389889/5090900.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388426/normal_6034cfe3c33f2.pdfIn PDF document text
- https://tizupokewa.weebly.com/uploads/1/3/4/0/134013062/gebexiwadulim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404105/normal_6062060499898.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375358/normal_5fdb7b8dc89a7.pdfIn PDF document text
- https://tudadakamoziv.weebly.com/uploads/1/3/4/5/134596668/monipoman_dofedogiwe_gosomaba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/n4t4wXRn-MA/wb?keyword=modo%20de%20produccion%20socialista%20periodoPDF link annotation
- https://s3.amazonaws.com/nufidibodudulad/juxaruvuwufanemu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d939c28d-55d6-445e-9143-c2ebffc0060e/star_wars_episode_1_trivia_questions_and_answers.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2f643ad1-4a30-40fd-a94e-ae70c1cfd1be/46606065383.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e51ac81c-549f-4059-ba7f-a48c9011c65e/rca_rcrn04gr_roku_code.pdfIn PDF document text
- https://s3.amazonaws.com/bokelur/jofizige.pdfIn PDF document text
- https://s3.amazonaws.com/fuwenoxuzasila/54407609410.pdfIn PDF document text
- https://s3.amazonaws.com/zibenoroduzuw/68318538498.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b070dd81-8f28-4af5-81e6-5162290a8f40/rafalozozonubajiva.pdfIn PDF document text
- https://s3.amazonaws.com/pokorevalaxex/formic_acid_wastewater_treatment.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_off0000e6c2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C2 | 5072 bytes |
SHA-256: dc5ec07b43139ff0ed21d48fb0e81ab72d2ad5fcf5fef91ba10bbc3597a2f830 |
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font_01_sfnt_off0000f819.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF819 | 11216 bytes |
SHA-256: fbb0191be65908039c13f4989e126c3b2f9f87f793f5959c64ef1c2e87f089cb |
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