MALICIOUS
206
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. The presence of a callback lure heuristic indicates a potential phishing or scam attempt. ClamAV detection and ML classification confirm the malicious nature of the file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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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 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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Callback phishing phone lure medium SE_CALLBACK_LUREDocument asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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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://xezojetit.ru/123?utm_term=harassment+magistrates+sentencing+guidelines
- https://static.s123-cdn-static.com/uploads/4486987/normal_60079d0c35be2.pdf
- http://walabowagem.iblogger.org/92112143303.pdf
- https://static.s123-cdn-static.com/uploads/4448719/normal_5fcc018e639f2.pdf
- http://fanilepitas.22web.org/31621915484.pdf
- https://static.s123-cdn-static.com/uploads/4374198/normal_5feb447ee9fdb.pdf
- https://cdn-cms.f-static.net/uploads/4445130/normal_6010c77f7c6e9.pdf
- https://static.s123-cdn-static.com/uploads/4426547/normal_5feec3bf34b8c.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://afa032df-bfad-47da-a9c8-c79260182993.filesusr.com/ugd/6f9b04_c361fa2a4b4b47759c8bfc745654a51d.pdf?index=true
- https://uploads.strikinglycdn.com/files/05103d30-5783-4e95-9386-c22301b83e56/tamigotapogaxasufila.pdf
- https://1eba3b37-3dce-45e8-aa15-e51a58efc0fe.filesusr.com/ugd/89e37c_b7ac7f762f3343f4a6b0daf1e30931b5.pdf?index=true
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_c51dec925fda4c0e82fe3f2e43ab2070.pdf?index=true
- https://85d2c5a2-fc31-4f76-86b4-4ebe2abe2bf4.filesusr.com/ugd/a8cc01_3816455eceb6487fadcfaef347fd4cfb.pdf?index=true
- https://7722bba5-72ad-4d15-a72d-9ce9fbdcf1b5.filesusr.com/ugd/772ad5_d4600ca916944cef8da585ab4a0c0069.pdf?index=true
- https://8137cd1e-393d-4948-8193-eca935452849.filesusr.com/ugd/756799_3e5a7da8f76c45bbbc9f12abe9e3a719.pdf?index=true
- http://xuvunemomot.epizy.com/70240629475.pdf
- http://purumurik.epizy.com/55068056040.pdf
- https://9db8f275-5044-409a-aa1b-3306d9dda9bd.filesusr.com/ugd/361f4b_a0afdb7d24eb470090ebbff03d29c73a.pdf?index=true
- https://uploads.strikinglycdn.com/files/4611f0c6-161f-477c-97ef-5956626a66df/49489082783.pdf
- https://uploads.strikinglycdn.com/files/e82a7939-bf5b-463c-aa52-382828f33130/sct_livewire_ts_mount.pdf
- https://cd753cf5-d90a-4073-9c55-931a76e81761.filesusr.com/ugd/8826df_403cb366f2a2485ba821afca287d8bcc.pdf?index=true
- https://uploads.strikinglycdn.com/files/ee0ad712-066a-4729-a0bb-6784af372520/50374758172.pdf
- https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_3041c1e12f5b4c1a850d0f5105424ebe.pdf?index=true
- http://xatofuli.rf.gd/badumetezoko.pdf
- https://3d3b31fc-6152-41c7-b1d4-a4af3afcce63.filesusr.com/ugd/3f8d85_6600ba1c092f46aaaeb183c0fc70361f.pdf?index=true
- https://fa5d8e44-005d-4c05-925d-ba60cb7f5023.filesusr.com/ugd/121e37_583e11ff631e4eeeb9b0ce5c71cf2895.pdf?index=true
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://scripts.sil.org/OFL
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010411.binadd6414b176ca6531cdbc0e378c211c645fee737ad79ea1c3d59e2780754af6e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10411 | 5220 bytes |
font_01_sfnt_off000115b7.bin33652fa21f573090723bde805440764f72ba4d5ea36a40ee6043c00370a36a17 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115B7 | 10812 bytes |
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