MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple embedded URLs, with one specifically identified as a lure for 'iso/iec 27001 lead auditor pdf'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' suggests a tactic to obscure the true malicious destination by using numerous disposable domains.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
Heuristics 5
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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 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/strik?utm_term=iso%252Fiec+27001+lead+auditor+pdf PDF link annotation
- https://defusisiz.weebly.com/uploads/1/3/4/5/134599350/zewat.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413719/normal_6062fb24992dd.pdfIn PDF document text
- https://wanomumopanud.weebly.com/uploads/1/3/1/3/131379193/d86cf8d0.pdfIn PDF document text
- http://ritikutoxukor.22web.org/dubliners_araby.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402294/normal_6028690fb66df.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460950/normal_600b99accf18b.pdfIn PDF document text
- http://wowovamofuzo.sportsontheweb.net/pizase.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382413/normal_601d548ecf699.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379973/normal_604cd1c7b40c6.pdfIn PDF document text
- http://tuvurebomiworo.scienceontheweb.net/business_process_engineering.pdfIn PDF document text
- https://gixujadimi.weebly.com/uploads/1/3/4/7/134708567/wigizet.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://xafiwufol.epizy.com/calculus_class_12.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5cbab414-403a-4aad-ba37-ce18d80984f5/57256821523.pdfIn PDF document text
- http://latowetutut.epizy.com/kindle_users_guide_10th_edition.pdfIn PDF document text
- http://nununad.myartsonline.com/zutiluzaje.pdfIn PDF document text
- http://junimuji.rf.gd/dead_until_dark_book_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/5605e43c-57a7-4ed6-af03-c00530e1bca2/fish_book_free.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b05d2e46-670f-4b35-bc41-f2445de8ef0f/pre-installation_for_rear_seat_entertainment_system.pdfIn PDF document text
- http://rulenanevatetid.epizy.com/switzerland_visa_lottery_application_form_2018.pdfIn PDF document text
- http://pupagerirawax.myartsonline.com/tujuan_bladder_training.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/78830d86-8ac5-4430-adad-fd18c9fe11c4/will_diamonds_increase_in_value.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d9151c1e-9b25-4953-b9e5-d851bd61267f/5_importance_of_text_structure_in_academic_writing.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e6fc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6FC | 5304 bytes |
SHA-256: 4932ed65241d5c27fbd9e693a463b5f012e0c91db4bf72c7779fed887fdb4126 |
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font_01_sfnt_off0000f925.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF925 | 11140 bytes |
SHA-256: 865ceae9909240655747ae7c2bbd8631962ab3641bc784d33446c7bfb13798ee |
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font_02_sfnt_off00011f13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F13 | 16204 bytes |
SHA-256: a95eff378c135b1ab40d10b3cd1da1bafbc07f86005f57898d079c90d712ddbd |
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font_03_sfnt_off00013440.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13440 | 4324 bytes |
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f |
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