MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains numerous external URIs, with one prominent URL pointing to 'baarspo.ru' and a keyword suggesting a lure related to antiparasitic drugs. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing or trojan. The document body, though heavily obfuscated, contains references to 'wkhtmltopdf' and a date, suggesting it was generated programmatically to appear as a document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://baarspo.ru/award?keyword=antiparasitic+drugs+classification+pdf PDF link annotation
- http://jesawukimefix.mypressonline.com/qabf_assessment_form.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368469/normal_600cc7abae72a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4473375/normal_5ff42b56b2946.pdfIn PDF document text
- http://likedizar.medianewsonline.com/28394229743.pdfIn PDF document text
- http://dosefokinuvulo.mypressonline.com/cbse_class_12_biology_board_question_paper_2020_solved.pdfIn PDF document text
- http://ketaton.mywebcommunity.org/burger_king_allergy_menu_uk_2020.pdfIn PDF document text
- http://rapoxarawiwalo.sportsontheweb.net/xapofevizemikowalot.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380090/normal_601a84af51b2d.pdfIn PDF document text
- http://rimarilomikozu.medianewsonline.com/leadership_style_assessment_tools.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488101/normal_60124970c1a52.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://dapizodipe.myartsonline.com/used_mercury_150_efi_for_sale.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c22a0abc-e8a6-41cd-a5c2-e50a59ea827d/average_salary_of_compliance_officer.pdfIn PDF document text
- http://luvabokinoleg.onlinewebshop.net/varicose_veins_during_pregnancy.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f75d8530-dba2-4289-8133-b69d0c47b056/71173471194.pdfIn PDF document text
- https://s3.amazonaws.com/mejifavo/44363940923.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfea281f-e9b2-40a8-8298-9a6546408152/35888976209.pdfIn PDF document text
- http://perexuwofogefo.onlinewebshop.net/10448138554.pdfIn PDF document text
- https://s3.amazonaws.com/feliso/handwriting_without_tears_letter_formation.pdfIn PDF document text
- https://s3.amazonaws.com/sojenozap/jalipij.pdfIn PDF document text
- https://s3.amazonaws.com/gowupuzokowuxes/livro_arriscando_a_propria_pele.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/db06ade4-f04b-4d38-8e02-52a7c3b71f7a/formato_de_mantenimiento_preventivo_y_correctivo_de_aires_acondicionados.pdfIn PDF document text
- https://s3.amazonaws.com/gezetega/chhota_bheem_movie_damyaan.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d101da03-5ab3-4ff5-a065-128e87f60cf0/gopro_hero3_black_edition_manual.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_off000153c3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x153C3 | 5312 bytes |
SHA-256: bb90f6c48bc54432fb8e407d0c96e607cf9e2035e5e9dbc293430e6eba5c5719 |
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font_01_sfnt_off000165e5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x165E5 | 10800 bytes |
SHA-256: 1d14ca21223e86ceb47b51e58f916701dde2581a7bd488bc647dac8eb5435ebe |
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