MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was identified as malicious by multiple heuristics, including PDF_SEO_LINK_FARM and ML_NYX_PDF_MALICIOUS, and ClamAV detected it as Pdf.Phishing.Trojan. The file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing lure. The embedded URLs are likely used to redirect users to malicious sites or download further payloads.
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://ponafet.ru/award?keyword=black+mamba+boy+pdf PDF link annotation
- https://cdn.sqhk.co/purorelaz/eidvjbN/84437154720.pdfIn PDF document text
- http://desajegurake.scienceontheweb.net/abc_medical_books.pdfIn PDF document text
- http://jidapuxedepu.medianewsonline.com/administrative_officer_duties_and_responsibilities.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403266/normal_60281cd812ef7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413583/normal_6042008b240ca.pdfIn PDF document text
- https://cdn.sqhk.co/gobajejuz/hd3ifhj/radiant_heat_boiler_diagram.pdfIn PDF document text
- https://cdn.sqhk.co/tenotitur/3LNEjjW/10455987937.pdfIn PDF document text
- http://nitapida.mywebcommunity.org/5480770890.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://650c977b-0274-48a2-8498-43c0efc39f4e.filesusr.com/ugd/dbad32_6bb704f2baef4338a9a9810345210eb0.pdf?index=trueIn PDF document text
- https://070488ba-e3d9-4c74-834b-445551f5513c.filesusr.com/ugd/fb83f1_735b55c702434659ac94a2d5c9e0519c.pdf?index=trueIn PDF document text
- http://mozutulobiris.onlinewebshop.net/75975637680.pdfIn PDF document text
- http://sujawokasafu.onlinewebshop.net/alcohol_withdrawal_symptoms.pdfIn PDF document text
- http://jeborawaleko.atwebpages.com/non_collusive_oligopoly_def.pdfIn PDF document text
- https://dc273c12-e125-4738-b2e6-b96bc4bd5eb7.filesusr.com/ugd/c8df25_bc7c9800c0f64374920ee2caf51287cd.pdf?index=trueIn PDF document text
- https://88bec3ce-9cdd-4818-a95b-bcf8ac49d1e7.filesusr.com/ugd/72df48_ab24f36666864ca99c7b3dba2fd642f8.pdf?index=trueIn PDF document text
- https://fff5164c-1337-4dca-a870-9ee8129e9d1f.filesusr.com/ugd/11cbe4_f5674f109fd3477aa79365d3031b0583.pdf?index=trueIn PDF document text
- https://5e9c932d-19a8-4d5a-a970-d4bc0bcb832b.filesusr.com/ugd/bae0a0_e470269277294981ac1a4b4e8328ea25.pdf?index=trueIn PDF document text
- http://namepafubi.atwebpages.com/how_to_connect_microsoft_sculpt_comfort_keyboard.pdfIn PDF document text
- https://e028ba52-6c86-493e-86b7-fecf7cd1c3eb.filesusr.com/ugd/bcb9fd_94cb2ef767f840fe90a006b7ebcce298.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_off0000f250.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF250 | 4820 bytes |
SHA-256: fc6a9711cba473d0158c4b89247cc4fcb8c345c02f5657594845f9be677924f1 |
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font_01_sfnt_off000102b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B6 | 10972 bytes |
SHA-256: 6a284ce16a7db65c8c048bdcf0b668a913e768604a081ac1f1951ea70db56fe4 |
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font_02_sfnt_off00012861.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12861 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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