MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by a ClamAV signature and an ML classifier. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO manipulation tactic. One of the embedded URIs, 'https://baarspo.ru/award?keyword=calculus+2+series+and+sequences+pdf', indicates a potential lure to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://baarspo.ru/award?keyword=calculus+2+series+and+sequences+pdf PDF link annotation
- https://kudaxemukuwofi.weebly.com/uploads/1/3/4/6/134691428/narujisure_botiwodiz_piwavek.pdfIn PDF document text
- https://cdn.sqhk.co/mepowokugo/icLLqmI/ludo_movie_cast_name.pdfIn PDF document text
- https://wefogazasu.weebly.com/uploads/1/3/4/8/134880183/bitojo_favekiwowubelo.pdfIn PDF document text
- https://sakixuso.weebly.com/uploads/1/3/4/4/134488330/9b0b03faa292.pdfIn PDF document text
- https://cdn.sqhk.co/zarifabidit/STEKigf/planbook._com_promo_code_2019.pdfIn PDF document text
- https://zokuwobame.weebly.com/uploads/1/3/1/8/131856234/6289107.pdfIn PDF document text
- https://cdn.sqhk.co/rifarako/g0JYji8/zakibege.pdfIn PDF document text
- https://pixizibonemitu.weebly.com/uploads/1/3/1/3/131382366/9253381.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481059/normal_5fd09fdec6d76.pdfIn PDF document text
- http://jefuvumerusew.getenjoyment.net/41126804848.pdfIn PDF document text
- https://xidokuwu.weebly.com/uploads/1/3/1/4/131453793/zotugojuwoxo-modasaj-wamekidumowop-gotidepe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369486/normal_60175e95e676d.pdfIn PDF document text
- https://lerinaxupol.weebly.com/uploads/1/3/4/6/134662503/1535237.pdfIn PDF document text
- https://jinitemolo.weebly.com/uploads/1/3/1/8/131856214/6912294.pdfIn PDF document text
- https://cdn.sqhk.co/jaxugaveg/iczSghi/lego_batman_dc_super_heroes.pdfIn PDF document text
- https://xolixofebus.weebly.com/uploads/1/3/4/5/134502144/14a635.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://s3.amazonaws.com/sixenogafopoj/toboxirikupodeziza.pdfIn PDF document text
- http://zuvuzevo.atwebpages.com/97093247631.pdfIn PDF document text
- https://s3.amazonaws.com/gurafoga/mechanical_engineering_jobs_in_india_for_freshers_2020.pdfIn PDF document text
- https://s3.amazonaws.com/tetofamuxulil/hazardous_chemical_register_template_qld.pdfIn PDF document text
- https://s3.amazonaws.com/nawosineromigi/cairo_font_arabic.pdfIn PDF document text
- http://revodez.myartsonline.com/assembler_des_en_un_fichier.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_off0000ee57.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE57 | 5120 bytes |
SHA-256: 447438ee95ca2490987cb1b1e1131e823f9cb89c8989739edd859d0ec9836b1c |
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font_01_sfnt_off0000ffc2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC2 | 11272 bytes |
SHA-256: 02d7296ae0f5cf0cd61e03fcb4683fccd7376368c64a06ce8e8cfe1b0069afd8 |
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font_02_sfnt_off00012673.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12673 | 4324 bytes |
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361 |
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