MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document exhibits characteristics of a phishing or malware distribution lure, as indicated by the 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The embedded URLs, such as https://dugedepap.ru/strik?utm_term=how+to+reset+heil+furnace, likely lead to malicious content. The ML classifier and ClamAV detection further support its malicious nature, classifying it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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+to+reset+heil+furnace PDF link annotation
- https://cdn.sqhk.co/moromasi/ueqUjgl/mupikupodoviritiregebu.pdfIn PDF document text
- https://cdn.sqhk.co/jinubodilev/h2zdgha/npo_guidelines_asa.pdfIn PDF document text
- https://cdn.sqhk.co/rerunaropiz/ihUyt7k/lujurirujigijewup.pdfIn PDF document text
- http://lazuvozesodot.iblogger.org/63727143716.pdfIn PDF document text
- http://lorozetuwivu.medianewsonline.com/hegemonya_nedir.pdfIn PDF document text
- http://gufurebu.medianewsonline.com/rawesopojifozikitisegit.pdfIn PDF document text
- http://fopijuzege.22web.org/vehicle_insurance_certificate.pdfIn PDF document text
- https://cdn.sqhk.co/nojebimit/dgcWn2V/basket_wall_decor_diy.pdfIn PDF document text
- https://cdn.sqhk.co/rerunaropiz/e7Shezn/12948741734.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/04a4efbe-4da5-4fc7-96fc-22ed87b6c58a/15841491726.pdfIn PDF document text
- http://nebokidib.epizy.com/18018975869.pdfIn PDF document text
- http://webidiwotew.epizy.com/accounting_journal_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/303f5c40-3ad1-4a59-980a-eb8283ef3b23/lokeludadeb.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4400583f-d710-4418-aefe-5f209a355721/2019_ashrae_handbook_hvac_applications_free_download.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ff7c2e26-5929-4fb5-b962-e301bfae58ec/99863330538.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d55aba02-d9c2-4484-90cd-b1b831f05f3e/35046870648.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2fdf6a67-20b9-487d-8bf3-80853bfcb8f5/14702000655.pdfIn PDF document text
- https://4c38db24-2924-4bf2-81c9-04860d987a69.filesusr.com/ugd/a68d8f_bd59fdcac06e4113a266ec991c89c8b6.pdf?index=trueIn PDF document text
- https://63209029-b609-4f89-80e5-af59b408cdb4.filesusr.com/ugd/0713e6_70b7d484d7584b00a0d1c966194d010a.pdf?index=trueIn PDF document text
- http://biparux.epizy.com/alphabet_board_games.pdfIn PDF document text
- https://720c7b34-a033-4bf0-83ea-6be17de98aa2.filesusr.com/ugd/03ef8e_50c05eaba9ea44678e11dceae4c8ca03.pdf?index=trueIn PDF document text
- https://770ad53b-b55e-4e58-b1eb-3709f41304f7.filesusr.com/ugd/98e298_2246d0024d3940479e739600406757a0.pdf?index=trueIn 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_off0000f524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF524 | 5024 bytes |
SHA-256: 058a1f89b91b550192cefe6751bcbbbe9836709c401b6320a21f1b5a3f88c49b |
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font_01_sfnt_off00010645.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10645 | 10548 bytes |
SHA-256: a74c8e3fee19da14bae322fbde272d669ae055830e073d27d0aed54bbc01af90 |
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