MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier with high confidence. It contains numerous embedded URLs, many pointing to disposable hosting, suggesting a link farm designed to redirect users. The document body is heavily obfuscated, but the presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a malicious intent to host many links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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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://cdn-cms.f-static.net/uploads/4402262/normal_6013e2bd9d46d.pdf In PDF document text
- https://static.s123-cdn-static.com/uploads/4374682/normal_5fe5b8799e312.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425921/normal_604a81f6e513d.pdfIn PDF document text
- https://cdn.sqhk.co/vimexuda/jaAChdD/fekawefurina.pdfIn PDF document text
- https://cdn.sqhk.co/sifalavuxozo/hiPzXid/losiberigekipolipoka.pdfIn PDF document text
- https://cdn.sqhk.co/todusukiraxi/YezVy2G/nokia_old_bounce_ball_game_free_download.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421366/normal_6016ec25b569c.pdfIn PDF document text
- https://cdn.sqhk.co/subogutaze/cgjASoh/48352173118.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4375704/normal_5fca0a559b82e.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501208/normal_5fc952c681953.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409420/normal_6014bd857c7fd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477910/normal_6019addc0c304.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://feedproxy.google.com/~r/wb/ENAH/~3/4NO0L8wlyOA/wb?keyword=mxr%20bass%20compressor%20pedalPDF link annotation
- https://c0771fee-1ba5-4dbf-bba5-a775c3d44c03.filesusr.com/ugd/544e7e_41fbea0e95dd4b14a21ab893a55560ec.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/dadb0370-b8c5-4f49-85d0-de64a7eaeaaf/khalil_gibran_profeta_matrimonio.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/86526f94-a691-40ae-88b5-709c28ed6d95/gobibogabefadewutovu.pdfIn PDF document text
- https://24a70dd4-b549-4b9e-9c0a-6eea45ab85ad.filesusr.com/ugd/ab0c63_a2d2b1e6e3384793906b74203fe575b3.pdf?index=trueIn PDF document text
- https://f1cb2ec4-a82d-4768-8a06-5236a2db220e.filesusr.com/ugd/a2e20a_30e9dda33c4640f4ac357303daf16020.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/506e51e2-f11a-4fef-a4d4-9854ee20af6b/igt_slot_machine_repair_manual.pdfIn PDF document text
- https://8f6f9f04-f977-4239-955d-f6aecf2dd879.filesusr.com/ugd/81cd61_7848bf979a7a44e7b515c6f1eefd1e43.pdf?index=trueIn PDF document text
- https://471876dd-1950-42f1-a4b7-18bccbaeda70.filesusr.com/ugd/5d8976_4ef64c6c3ed1426b8365be71e8351116.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/799250c5-388b-4ee0-bac7-3e6709985b24/jigewed.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_off0000d423.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD423 | 5432 bytes |
SHA-256: a4a25a8bb351bfe1153dab7a020f74b49f74cb002ec553ebdbacbf288b5f9ef0 |
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font_01_sfnt_off0000e68f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE68F | 12520 bytes |
SHA-256: 8df8be3413a17e00344e78b10f75e5e8bc9e23ceedcdcf3a0cb94a2a0a8d1f2b |
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