MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a phishing or trojan distribution attempt. It contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users to malicious sites. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a tactic to obscure the true destination. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest it's designed to lead users to a compromised or malicious website.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
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://youkuvpn.com/upload/files/99414083589.pdf In PDF document text
- https://inks.bg/userfiles/file/12797976446.pdfIn PDF document text
- http://kmjmt.com/news/upload/file/210911113756883904w63u7z.pdfIn PDF document text
- https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/bbk7iu822gedq1hbc6kgc13lp7/62677431369.pdfIn PDF document text
- https://malmospelmanslag.se/userfiles/file/39683043971.pdfIn PDF document text
- http://druckmaschinenservice.com/uploads/fce/files/woroziwojilezipopuleto.pdfIn PDF document text
- http://dpsnowodworze.pl/userfiles/file/19505564282.pdfIn PDF document text
- http://aeon-dev.com/uploads/files/202109050904482288.pdfIn PDF document text
- http://tksvolga.ru/userfiles/file/dubudonurej.pdfIn PDF document text
- https://pezenasenchantee.fr/userfiles/file/32357997578.pdfIn PDF document text
- https://cape-electronics.com/media/file/bidonawototudipo.pdfIn PDF document text
- http://iphonedown.com/ckfinder/userfiles/files/88567708525.pdfIn PDF document text
- http://nationalherbo.com/userfiles/file/23621939280.pdfIn PDF document text
- http://lawfirm.vn/MINH/user_files/file/jobuvefuk.pdfIn PDF document text
- https://vocembalo.ch/userfiles/file/rugelutezopoloxogani.pdfIn PDF document text
- https://crmsaas.dswip.com/ci/userfiles/files/nulozonosomodivaxevirugu.pdfIn PDF document text
- http://shimamura-mail-order.com/userfiles/file/vademepab.pdfIn PDF document text
- https://www.vignolaweb.it/ckfinder/userfiles/files/wifadusanenaw.pdfIn PDF document text
- http://darec.sk/files/files/45715047159.pdfIn PDF document text
- http://infoegrafica.com/userfiles/files/wedadova.pdfIn PDF document text
- https://habibitoursegypt.com/ckfinder/userfiles/files/gimaforepivekobaxepogam.pdfIn PDF document text
- https://ijp2.com/contents/files/17891003354.pdfIn PDF document text
- https://castilloexterior.net/ckfinder/userfiles/files/65915450352.pdfIn PDF document text
- https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613834dad7652---palimidenaletikazuk.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/liweki.pdfIn PDF document text
- https://mimzyonline.com/userfiles/file/wodofagof.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=call+recorder+pro+apk+crackedPDF 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_off0000df1a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF1A | 17612 bytes |
SHA-256: 5154821126090331eb2233f8d0002ee5f8a54c36f752f85d5c71db2e9fa0bc1a |
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font_01_sfnt_off00010d13.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D13 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001252a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1252A | 10168 bytes |
SHA-256: c393b3e2612e8050af86b7f855a533f47b80d32998ac88b9da5d8f4f06d16d6a |
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