MALICIOUS
146
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF document that exhibits characteristics of a callback phishing scam, as indicated by the 'SE_CALLBACK_LURE' heuristic. It contains numerous external URIs, including suspicious domains like 'ponafet.ru' and 'moxolesapudeli.22web.org', suggesting it is part of a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
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 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://ponafet.ru/strik?utm_term=viper+rpn+7752v+manual PDF link annotation
- http://moxolesapudeli.22web.org/philippine_business_environment_book.pdfIn PDF document text
- http://vitedotom.iblogger.org/563847572.pdfIn PDF document text
- http://gujozulogisin.scienceontheweb.net/periodic_table_elements_printable.pdfIn PDF document text
- http://jakiduve.scienceontheweb.net/14741604945.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/f93fc5c6-cbd9-45aa-a0e0-5d96ade72537/msds_sheet_for_clorox_disinfecting_wipes_fresh_scent.pdfIn PDF document text
- https://562c2315-396f-49d1-9e45-1236e049cb13.filesusr.com/ugd/ec0012_b08ae40966af4c7688246ff0da1b98ba.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/28a3a0d8-96db-49e5-a460-a291d81d57a0/97522518549.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/00e8f49d-9479-4a7e-a832-4bac1360d087/gigefoken.pdfIn PDF document text
- https://a12a05ab-6462-4855-b086-b0a2a961d6d8.filesusr.com/ugd/2c76f4_1b7b1132f955465aa3773c645af900a6.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wizitifowubux/sikonaxuluxozodidunana.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5886f650-6be7-4e91-93dd-a158378cf577/how_to_silence_kidde_smoke_detector.pdfIn PDF document text
- https://s3.amazonaws.com/zatazewoz/5405034591.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a9d88433-d53d-4641-9702-88be035c5c6a/kuvevegupusebemijulijap.pdfIn PDF document text
- https://d9226533-59f4-4737-ae77-cfa9cdee5378.filesusr.com/ugd/d7c203_0330fcc9645845fdb579129ad318a25d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/bff38768-8b1c-4c2e-81d1-bf16b35781fe/john_deere_lawn_tractor_spare_parts.pdfIn PDF document text
- https://s3.amazonaws.com/lekizopiloref/mapa_de_carreteras_de_mexico.pdfIn PDF document text
- https://0f926834-650c-4d5a-b53c-ad60ae412ccc.filesusr.com/ugd/6a44d8_108c5e581e9e4d96bc02c75be7a7799a.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/f033bb1b-866f-4272-a7ea-a8ae3fa100c8/32175252383.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_off000130f2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130F2 | 5148 bytes |
SHA-256: b5b40f7fdca96dad4d1c9e8ae442f50f504deb2d2815367a6b0ad51ab33d1a60 |
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font_01_sfnt_off00014276.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14276 | 12220 bytes |
SHA-256: 47f568725a9462c00635c4019c64174f2895fedc2494b9920c9942f33816d558 |
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