MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was flagged by ClamAV as 'Pdf.Phishing.Trojan' and a machine learning model assigned a high probability of maliciousness. It contains an embedded URI pointing to a URL that offers a 'windows 10 pro crack product key', suggesting a phishing or malware distribution lure. The document body, though heavily obfuscated, contains keywords related to software activation and the authoring application suggests it was generated by a tool that can be used to create malicious PDFs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 6
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://catamma.ru/pbw?utm_term=activate+windows+10+pro+crack+product+key PDF link annotation
- https://cdn-cms.f-static.net/uploads/4369179/normal_5fd11d1ba5752.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445320/normal_60482a140ec4e.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
- http://tovemubu.pbworks.com/w/file/fetch/144573174/15424455551.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ea5ede74-fb55-49d9-863a-3acf9f63b555/weber_grills_on_sale_today.pdfIn PDF document text
- http://kunixove.pbworks.com/f/tableau_free_download_full_version.pdfIn PDF document text
- http://detomipipu.pbworks.com/w/file/fetch/144664965/atwood_gc6aa-10e_parts.pdfIn PDF document text
- http://supulilofib.pbworks.com/w/file/fetch/145037943/nelobubevo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d7ea26b7-a4f3-4e7b-84a8-212a18bd42d9/26231699305.pdfIn PDF document text
- http://gizonokape.pbworks.com/w/file/fetch/145013760/tefigujuxebumirot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8cb24ddc-55f6-450f-a41e-b60896b30c30/sogurowimorotasanatet.pdfIn PDF document text
- http://kigiputilik.pbworks.com/w/file/fetch/144608595/surface_area_and_volume_of_cylinders_and_cones_worksheet.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ffc331eb-1799-40b7-a40d-1ce59b2d43ad/zexejavatafejopenawa.pdfIn PDF document text
- http://rujuboxu.pbworks.com/f/kexivemofobixaz.pdfIn PDF document text
- http://zipiwume.pbworks.com/f/wuresujojabedi.pdfIn PDF document text
- http://zakikumese.pbworks.com/f/cuadernillo_de_actividades_para_cuarto_grado.pdfIn PDF document text
- http://sazupamufode.pbworks.com/w/file/fetch/144588555/6161417984.pdfIn PDF document text
- http://gemometis.pbworks.com/w/file/fetch/144903993/online_registration_for_kvs_2021.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/482308d3-19e9-43d7-8b98-5ab9e74e619a/suduvesujaf.pdfIn PDF document text
- http://zufumegi.pbworks.com/f/domestic_violence_statistics_2020_cdc.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dcb4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCB4 | 5416 bytes |
SHA-256: 0276e39c660ce39911cdc66f7102eeb1ee110f2f72f637351285bd819c00d83e |
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font_01_sfnt_off0000ef44.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF44 | 10776 bytes |
SHA-256: 21185592dd7d11dfb679d77d40966e02a48b272a8a7f876b56ad88b02ffc28ea |
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font_02_sfnt_off000113de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113DE | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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