MALICIOUS
166
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file flagged by ML classifiers and ClamAV as malicious. It contains multiple embedded URLs, one of which is identified as a link farm. The heuristic 'SE_PASSWORD_ARCHIVE_LURE' indicates the document likely instructs the user to decrypt a password-protected archive, a common tactic for evading security gateways. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to trick the user into downloading a malicious payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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 http://wakesup.org/userfiles/file/41460452816.pdf In PDF document text
- http://dallard.fr/ressource/site-image/files/84848909369.pdfIn PDF document text
- http://pate4me.com/userfiles/file/97662163331.pdfIn PDF document text
- https://broadcasthub.com/ci/userfiles/files/56750109619.pdfIn PDF document text
- http://www.dilipprabhavalkar.com/images/file/nolibokaxopogofekunevuwug.pdfIn PDF document text
- https://drlalashow.com/php/billboard/uploads/file/47763494276.pdfIn PDF document text
- https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/3da80e4bad30f38d61dc2712adf58686/vomirolunanat.pdfIn PDF document text
- http://fjsxsx558.com/upload/files/kijinuse.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/xaxenekupijuviwof.pdfIn PDF document text
- https://plagij.at/ckfinder/userfiles/files/winodejevutofo.pdfIn PDF document text
- http://fotostudiovaccari.it/userfiles/files/fobomuvikupidikemuzazivo.pdfIn PDF document text
- http://woodbridgeabw.com/uploads/files/47799662949.pdfIn PDF document text
- https://organicearthfiji.com/documents/file/49203706145.pdfIn PDF document text
- https://inprovitmexico.com/ckfinder/userfiles/files/64545529550.pdfIn PDF document text
- http://bibrka-school.org.ua/ckfinder/userfiles/files/niwuxuve.pdfIn PDF document text
- http://defhjdr.friend-match.com/upload/files/36280589987.pdfIn PDF document text
- http://thaihotelsale.com/FileData/ckfinder/files/20210912_107C5A9141E495C0.pdfIn PDF document text
- https://clic-essc.ch/ck/ckfinder/userfiles/files/dutin.pdfIn PDF document text
- http://grafitym.kz/files/file/95646284989.pdfIn PDF document text
- http://studiopedrazzini.eu/userfiles/files/70778681683.pdfIn PDF document text
- http://crimesla.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wogagimekasole.pdfIn PDF document text
- http://www.c-l-r-p.com/admin/ckfinder/userfiles/files/23285937390.pdfIn PDF document text
- https://fiscalonline.eu/app/webroot/files/userfiles/files/nuvilarubusajej.pdfIn PDF document text
- http://aan.kz/ckfinder/userfiles/files/65555894657.pdfIn PDF document text
- http://work4shop.cz/userfiles/file/lodibimeravosugir.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=decrypt+protected+pdfPDF link annotation
- 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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ea7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7F | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010291.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10291 | 17636 bytes |
SHA-256: de239693fcda69c166d9117926acfd93091dafb6296d0656ad62e9767f3e8a83 |
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font_02_sfnt_off00013057.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13057 | 10156 bytes |
SHA-256: 6dc353c36bbe39df711e26ac09e5acc467eaeb604a879e5aa51da2fde449a35e |
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