MALICIOUS
126
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 pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. The ML classifier strongly indicated maliciousness. While no scripts were explicitly extracted, the presence of numerous external URLs, including one with a suspicious domain, points towards a potential phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 5
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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://dugedepap.ru/strik?utm_term=how+many+types+of+ventilator+modes PDF link annotation
- https://cdn.sqhk.co/gudijupimeb/c32jb5P/lexapezamovibar.pdfIn PDF document text
- http://sutiboju.sportsontheweb.net/jacques_attali_livres_gratuit.pdfIn PDF document text
- http://gagefiwirimat.medianewsonline.com/wudegedix.pdfIn PDF document text
- https://cdn.sqhk.co/xesozugis/glgeyDq/slither._io_zoom_mod_safari.pdfIn PDF document text
- https://cdn.sqhk.co/xewafazuk/0kih2MD/zogiwifegupubuda.pdfIn PDF document text
- http://kotudekudoges.getenjoyment.net/gamib.pdfIn PDF document text
- https://cdn.sqhk.co/tusufawenu/AQhbhax/civil_war_gettysburg_battle_pictures.pdfIn PDF document text
- https://nelovemisero.weebly.com/uploads/1/3/4/3/134347795/xununugowabekunobad.pdfIn PDF document text
- http://baditunabupiru.mywebcommunity.org/worerozerepodasibifuwovu.pdfIn PDF document text
- https://zamelati.weebly.com/uploads/1/3/4/6/134652334/a27ae4bfbef.pdfIn PDF document text
- https://cdn.sqhk.co/zenekukera/81uhgfI/91517862407.pdfIn PDF document text
- http://vuroxinizona.scienceontheweb.net/vulufopu.pdfIn PDF document text
- https://dumuzuvo.weebly.com/uploads/1/3/4/6/134695275/d13a317.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/xifabilejilab/edouard_glissant_poetics_of_relation.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7aed114d-2a00-4ad3-8cbb-2fc5a07ef3dc/where_to_study_international_law_in_europe.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0aa3a83b-a2fb-46ab-91fc-88445498fb91/2018_forester_manual_review.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9b568362-5351-48d4-b8b2-c3b7d0caed96/liftmaster_8365w-267_reviews.pdfIn PDF document text
- http://vekejuf.atwebpages.com/52676277303.pdfIn PDF document text
- https://s3.amazonaws.com/libusamagowuvo/xifanutizaka.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ab21ca2c-6bf9-4735-8a73-1709bd024bd5/frases_de_buenos_dias_princesa_hermosa.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4f60eab0-7c90-4a2b-8afb-a450ff96b7d2/troy_bilt_horse_log_splitter_attachment_for_sale.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_off0000e8b9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE8B9 | 5400 bytes |
SHA-256: df03aea8377f87d64cd3c07d69ead3792550ddcb8feaefc031f58c0804ca6922 |
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font_01_sfnt_off0000fb1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB1A | 10240 bytes |
SHA-256: e2cfd14927fef7881582a9137d527037b0c638ae357bc10619f4c4bfcfaf8523 |
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