MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, a common tactic for SEO link farms and phishing campaigns. The heuristic PDF_SEO_LINK_FARM and PDF_SEO_DISPOSABLE_LINK_FARM indicate a high volume of outbound links, with one pointing to a URL associated with a phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were explicitly extracted, the nature of the PDF and its embedded links points towards a malicious document designed to redirect users to potentially harmful sites.
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 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://leonvi.ru/123?utm_term=project+plan+excel+template PDF link annotation
- https://vufomugivubi.weebly.com/uploads/1/3/5/3/135350936/jixamamabaveji_gixeti_zinopoketawak.pdfIn PDF document text
- http://rajajime.mypressonline.com/vagusewuzebasa.pdfIn PDF document text
- https://fasanisig.weebly.com/uploads/1/3/0/7/130739318/84ebd54d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379722/normal_5ff858a9da62e.pdfIn PDF document text
- https://dapasubasawesol.weebly.com/uploads/1/3/4/3/134383907/3172011.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421473/normal_601df5173ffe3.pdfIn PDF document text
- https://xerotopofuwega.weebly.com/uploads/1/3/1/4/131406930/zomiw.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415327/normal_6043ee148fa20.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/wakuzidi/33407104825.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f6a0cb2-a2d1-4668-9a71-2d4396bb6e81/pezubaroge.pdfIn PDF document text
- http://mukanebesiva.atwebpages.com/microwave_turntable_not_turning_and_not_heating.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2aaf2c40-de73-4ff1-a226-0da25217a8bd/how_many_carbs_in_taco_bell_red_sauce.pdfIn PDF document text
- https://s3.amazonaws.com/nuvukivaxiren/cleto_reyes_adjustable_speed_bag_platform.pdfIn PDF document text
- https://e82ff0bd-cb1a-4782-8b92-0a0fb7657660.filesusr.com/ugd/d17951_63f091b36bb5438c9140440ba409c51f.pdf?index=trueIn PDF document text
- https://2080fafa-2491-4ac3-8118-a138f33bff34.filesusr.com/ugd/822ecd_772cc58210a0435996da9913ace45f96.pdf?index=trueIn PDF document text
- https://0f939073-77d1-4307-aaa8-42539c8515e3.filesusr.com/ugd/85c9df_4ebd5cff82c84ac6a19a314f2a986f7f.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/2af299e9-0f79-4d25-80fb-cb4010e1e3ca/cuntos_aos_tiene_que_tener_un_auto_para_no_pagar_patente_en_caba.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e881dca0-5d1b-46dc-af39-229e59fead2d/how_to_use_conair_extremesteam_handheld_fabric_steamer.pdfIn PDF document text
- https://9fc80a0e-b25b-4135-afeb-9811a1ea6bf8.filesusr.com/ugd/91e123_7b97d13141b245fe949a5a6c9d81b2d4.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC74 | 5048 bytes |
SHA-256: d00fc9cc5ad8352bfa7e5c8307434288692a46c128d36410ed84e8c42d1e376b |
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font_01_sfnt_off0000fd92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD92 | 10904 bytes |
SHA-256: 4e24860e3dc7cf3f42bb9fce555b7708e0cbaa7885dd9c75033ecd065268a843 |
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