MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing operation. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were directly extracted, the PDF structure and numerous external URLs point towards a phishing or malware distribution scheme, likely initiated via spearphishing.
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://xajibur.ru/strik?utm_term=how+to+make+creamy+cajun+chicken+pasta PDF link annotation
- http://gadomiru.22web.org/potabore.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4476147/normal_600f9b00c472e.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4473903/normal_5fe64e305c66a.pdfIn PDF document text
- http://dotenipago.medianewsonline.com/17850211193.pdfIn PDF document text
- http://ralugugifoxatir.scienceontheweb.net/casio_f91w-1_strap.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4491175/normal_5fe6324e2e922.pdfIn PDF document text
- http://zozavelomidabi.scienceontheweb.net/the_birchbark_house_journeys_comprehension_questions.pdfIn PDF document text
- http://vuvulusigi.scienceontheweb.net/mulalugukobiranirurugagem.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4446497/normal_60006a6677a56.pdfIn PDF document text
- http://paxezot.getenjoyment.net/how_do_i_recover_my_facebook_password_without_email_and_phone_number.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://245ae9ba-e923-43ed-bc11-30ed5d1acd78.filesusr.com/ugd/051519_79195aee184b4a919d3281de7beac865.pdf?index=trueIn PDF document text
- https://591e60e9-54e8-4b06-a9a7-f2e0522969d0.filesusr.com/ugd/1fd4b7_6ecc8c9ab49a48fdae3bb7edb46a750d.pdf?index=trueIn PDF document text
- https://8dea6f00-b35b-4e5f-9f5e-01d9eb130a9a.filesusr.com/ugd/6a8da5_b9b93c430aed4c43b012f3f89e82dde5.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_5709f160640c4357b4b5f2c3f69ea669.pdf?index=trueIn PDF document text
- http://vedixemalirugi.atwebpages.com/haier_mini_fridge_thermostat_replacement.pdfIn PDF document text
- https://5bf49506-6ef1-42f8-8f90-7e3689255fd3.filesusr.com/ugd/8fe1bf_1623aaeb52274ff6b98255aed04ee350.pdf?index=trueIn PDF document text
- https://6d706a39-1f93-4f1a-9423-caccf7e65e71.filesusr.com/ugd/69f91f_00e7680bd07c4cdc98b6713ea6f280e9.pdf?index=trueIn PDF document text
- https://587b455d-cc79-4428-8e80-a8b75ce23bca.filesusr.com/ugd/021ec8_9e3f52a72d324b5792fc08a0b286a9fa.pdf?index=trueIn PDF document text
- https://e437b920-fa79-41d5-b67c-0ca059f4e77a.filesusr.com/ugd/d97c10_12046efd61ba42a9864b4a8b77d21bf4.pdf?index=trueIn PDF document text
- http://nibubatovavav.atwebpages.com/alvaro_gonzalez_alorda.pdfIn PDF document text
- http://wenares.myartsonline.com/31799181974.pdfIn PDF document text
- http://keximatefabuzi.rf.gd/asean_charter_bahasa_indonesia.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_off0000ec71.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC71 | 5436 bytes |
SHA-256: b34d921c8e459be272e85680ec36ec668e3c1d1788fe1a6cd245df4f09a4c22a |
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font_01_sfnt_off0000fedb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEDB | 10564 bytes |
SHA-256: 9cdbaa1025c5ec1518edad25214e51b54a203b8475a229138542a613282f757a |
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