MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
T1203 Exploitation for Client Execution
The PDF document was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a callback lure, prompting users to call a number for issues related to billing or subscriptions. The presence of external URIs, including one pointing to a link farm, suggests it may download additional payloads or redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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 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) or Microsoft license-boilerplate 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://kuzutuzo.ru/wix?keyword=good+games+website+names PDF link annotation
- https://cdn-cms.f-static.net/uploads/4455374/normal_600da33888cb2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426971/normal_602541e478381.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413016/normal_5fc66755e4ee2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4411500/normal_5fcbc7751de2f.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365628/normal_5ff4cc32da287.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4377704/normal_604b92460f12b.pdfIn PDF document text
- https://milolavum.weebly.com/uploads/1/3/4/7/134717842/63fd314f5fd8.pdfIn PDF document text
- https://mozawexi.weebly.com/uploads/1/3/1/8/131856146/dozututuvape.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419415/normal_60311263ba6b2.pdfIn PDF document text
- http://toguvuveleguna.22web.org/tamil_movies_free_full_hd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4370299/normal_6009547701244.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/fde337e7-e575-457c-98e6-947d1e390d70/mugako.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3390f081-e058-42bb-887b-27a8676a1305/what_does_pearl_symbolize_in_the_bible.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d66f1bac-1331-4223-ab37-d5627cda4520/methodical_deception.pdfIn PDF document text
- http://jabegijazuxag.rf.gd/joomla_admin_template.pdfIn PDF document text
- https://s3.amazonaws.com/diwitapezu/air_conditioning_system_design_manual_ashrae.pdfIn PDF document text
- http://xubejivulovitam.rf.gd/58649602057.pdfIn PDF document text
- https://s3.amazonaws.com/woxojuxafopuv/41727896986.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19a8fbd6-90af-408d-93c6-f0dfcc04cce7/50677174989.pdfIn PDF document text
- http://zerujafulo.rf.gd/concatenate_function_in_crystal_report.pdfIn PDF document text
- https://s3.amazonaws.com/zizene/xuwavinamujasu.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_off00012c77.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C77 | 5280 bytes |
SHA-256: d1b756919584ba098ca0b72438659724ed317876315934337b6f6259b46ece75 |
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font_01_sfnt_off00013e71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E71 | 12012 bytes |
SHA-256: da05e89e31e2cdf9fab58b72d28e221a694ccb29483ec12f094ea76be51c9ec1 |
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