MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file contains a large number of external links pointing to various PDF files hosted on disposable domains, a common tactic for SEO manipulation or distributing malicious content. The ML classifier and ClamAV heuristic strongly indicate maliciousness, with the PDF_SEO_LINK_FARM heuristic confirming the presence of a link farm. The embedded URL and the numerous other URLs extracted suggest the primary purpose is to redirect users to these external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/award?keyword=adorno+horkheimer+dialectic+of+enlightenment+pdf PDF link annotation
- https://finijigif.weebly.com/uploads/1/3/2/6/132681422/madanin-najobev-jebijogare-towojulelafutok.pdfIn PDF document text
- https://cdn.sqhk.co/wugolekufo/xb6Brjh/jojibemawatuzizup.pdfIn PDF document text
- https://pirusamu.weebly.com/uploads/1/3/1/3/131383726/kuwalobi.pdfIn PDF document text
- https://jizotigop.weebly.com/uploads/1/3/0/8/130874082/3a680e196c8be.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzezufe/gMwghib/hshack._pw-_homescapes_online_generator.pdfIn PDF document text
- https://zatibuvox.weebly.com/uploads/1/3/0/7/130738619/4cbcfb7459.pdfIn PDF document text
- https://cdn.sqhk.co/pesasotiro/jaEgdyn/4184387908.pdfIn PDF document text
- https://sobapeseg.weebly.com/uploads/1/3/1/0/131070394/sotez-benulida.pdfIn PDF document text
- https://lulegosepo.weebly.com/uploads/1/3/0/9/130969478/jurewozerida-moxizazolaw.pdfIn PDF document text
- https://cdn.sqhk.co/jobasalem/jbhazNB/percentage_off_calculator_excel.pdfIn PDF document text
- https://cdn.sqhk.co/rixutixim/ZCia00O/pixel_gun_3d_wiki_updates.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4469349/normal_5fe42d37baf86.pdfIn PDF document text
- https://disadaniti.weebly.com/uploads/1/3/4/4/134463451/11768817a.pdfIn PDF document text
- https://cdn.sqhk.co/gafazakedoki/igBhfic/combat_troopers_star_bug_wars.pdfIn PDF document text
- https://cdn.sqhk.co/fusunejevawu/Tihjbt5/wolepawixituwab.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4443617/normal_5fcbf6326263b.pdfIn PDF document text
- https://cdn.sqhk.co/videbamez/fhaicJ3/detective_story_1951.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
- https://e05653fc-386e-4c8b-889d-738aee72c63e.filesusr.com/ugd/62421a_1b9deb387f534ea2a291b6758e1bc878.pdf?index=trueIn PDF document text
- https://835a0401-7144-467e-aacc-710587930ffc.filesusr.com/ugd/432cba_39df08e6cf294e03bef20dffd87f5d44.pdf?index=trueIn 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_off0000ecae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECAE | 5232 bytes |
SHA-256: 97065e5f7f161391bee879418b9404d23ebd2730b9c8578f98ad6b7800c386a2 |
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font_01_sfnt_off0000fe48.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE48 | 12116 bytes |
SHA-256: 6bde9ce409ce92fd7edfd82681eb96891e3e62eb286b3b5eca075d3b795e64f8 |
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font_02_sfnt_off000125ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125AB | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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