MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ML classifiers and ClamAV. It contains a large number of external links pointing to various PDF files hosted on disposable domains, indicating a link farm or SEO manipulation scheme. Some of these links are hosted on domains flagged as disposable, suggesting a potential distribution mechanism for further malicious content or phishing attempts.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://kuzutuzo.ru/wix?keyword=the+outsiders+chapter+8-10+questions+and+answers PDF link annotation
- http://winclean-shop.space/twilight_breaking_dawn_part_1_soundtrack_youtubezh59i.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4420775/normal_604004109e798.pdfIn PDF document text
- http://retoxen.mypressonline.com/mexonigoza.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375509/normal_5ffa3906a9da7.pdfIn PDF document text
- http://testersairf.xyz/libro_mi_acordeon_2018dqah2.pdfIn PDF document text
- http://gibejujefuguxax.22web.org/paxoxokimujus.pdfIn PDF document text
- https://natumelazorog.weebly.com/uploads/1/3/4/7/134711419/3d95bc6eea374.pdfIn PDF document text
- https://gibitiwatu.weebly.com/uploads/1/3/0/7/130776060/c4688339ad2c14f.pdfIn PDF document text
- https://burusezal.weebly.com/uploads/1/3/5/3/135306482/zofasezi.pdfIn PDF document text
- https://mejotowud.weebly.com/uploads/1/3/0/9/130969644/9495140.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471710/normal_601ffd2dbfe36.pdfIn PDF document text
- http://wagajij.22web.org/computer_based_numerical_and_statistical_methods.pdfIn PDF document text
- https://jovuwimuj.weebly.com/uploads/1/3/0/9/130969820/depepo.pdfIn PDF document text
- https://xuzubakew.weebly.com/uploads/1/3/0/9/130969304/resabobesosup.pdfIn PDF document text
- http://limecash.xyz/1979827807h8sn4.pdfIn PDF document text
- https://tezanifarepuji.weebly.com/uploads/1/3/0/7/130775277/3767645.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388819/normal_5fda8dd5d5a0a.pdfIn PDF document text
- http://good-production18.site/ranirotorofeapx8e.pdfIn PDF document text
- http://kogemotuju.getenjoyment.net/what_does_a_pre_purchase_inspection_include.pdfIn PDF document text
- https://sibitolifi.weebly.com/uploads/1/3/4/7/134732274/3e91776b53471.pdfIn PDF document text
- https://dupevolorimix.weebly.com/uploads/1/3/4/5/134588768/6191705.pdfIn PDF document text
- https://vivenovexo.weebly.com/uploads/1/3/4/6/134695888/4135689.pdfIn PDF document text
- http://itdiscount.info/poxadobulefugepixiphe7zs.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000f07b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF07B | 5716 bytes |
SHA-256: a3b05eec50c87c406307cf1139dd4bdc49ee8fbb65bcf943bc22f40e1942f1c8 |
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font_01_sfnt_off000103ff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103FF | 10564 bytes |
SHA-256: 009ee0e044805815725baed789f5b2f3d09f4f9c87368c9fc8194e4ad334f947 |
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