MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9981
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://sys-svinding.dk/userfiles/file/mofiletelejalume.pdf In PDF document text
- https://nasikampung.info/contents/files/giwivojutikevile.pdfIn PDF document text
- https://cylinder96.ru/admin/ckfinder/userfiles/files/44584929649.pdfIn PDF document text
- https://rewaqousha.net/userfiles/files/49494669059.pdfIn PDF document text
- http://cinebuzz.be/uploads/userfiles/files/vanufituralamomagomedam.pdfIn PDF document text
- http://henghuitong.com/jingkelun/userfiles/files/20210915173140.pdfIn PDF document text
- http://brilspa.ro/userfiles/file///31733783034.pdfIn PDF document text
- http://word.mn/uploads/assets/bulubogametumifijezadexu.pdfIn PDF document text
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161459df0e87e4---fifemonilisaruwibo.pdfIn PDF document text
- https://masterpieces-mallorca.com/wp-content/plugins/super-forms/uploads/php/files/5751b6ad1d121c7d4a23644809437420/nojuneta.pdfIn PDF document text
- https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/mqq4kededhg31gel9je7n06s78/jobatasevuxefufiratuvub.pdfIn PDF document text
- http://irvinenott.co.uk/ckfinder/userfiles/files/72879927158.pdfIn PDF document text
- https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613df220875e5---47002257693.pdfIn PDF document text
- http://fk-fudosan.1nino3.com/app/webroot/img/userfiles/files/kenadudagidofozed.pdfIn PDF document text
- https://europacreativaeuskadi.eu/files/galeria/files/tolorajuzenomexe.pdfIn PDF document text
- https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/e0166aa130aa741b87b6e67f0cfd8c2a/lokoguzolusinugurev.pdfIn PDF document text
- http://9275522-travel.com/userfiles/file/wetun.pdfIn PDF document text
- http://sbs-group.co/userfiles/files/87511797632.pdfIn PDF document text
- http://okun.su/upload/file/gobaji.pdfIn PDF document text
- https://kingwaterpure.com/ckfinder/userfiles/files/siseva.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/16143777d5f639---1186898149.pdfIn PDF document text
- http://pijntherapie.be/uploads/files/lulavelararudadanato.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=my+game+hackPDF 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_off0000d3cd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3CD | 10148 bytes |
SHA-256: 63fa40f36345b716ba3e9107092c8bc859feb9b61d728d02295b01ae2cf4ce45 |
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font_01_sfnt_off0000ea7b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA7B | 17092 bytes |
SHA-256: f29056453dc4382daccdf3dbfea3c5795ceb8fa74fa39e33271ce76bb518ad91 |
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font_02_sfnt_off000116cf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116CF | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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