MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics as malicious, including a high-confidence ML classifier and ClamAV detection. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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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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 https://irlanc.ru/uplcv?utm_term=a+que+edad+se+puede+conducir+en+espa%C3%B1a
- http://absolutelyneon.com/userfiles/file/kalunoselutaxonedirixir.pdf
- https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/ae2fc419ac9fab0b7b760fdc7169b642/267059991.pdf
- https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ibdj19e3qs4a00vf1a41579ort/xewapovepevufuxiwozurivub.pdf
- http://thebankcardservices.com/uploads/files/sejalogarewiv.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/cqk33d0gqjohrafoe6h3cj9j91/4496022694.pdf
- http://byty-pardubice.eu/UserFiles/File/maduzemem.pdf
- http://macabrey-luthier.fr/data/Files/28609321856.pdf
- http://biomassasia.net/data_ed/userfiles/file/64838296580.pdf
- https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/gct8k79dn1ougiv6hpfkvsquhc/3521971865.pdf
- https://inlandautorepairmurrietaca.com/wp-content/plugins/super-forms/uploads/php/files/d31bce8664b74bd99730f9e124558a94/1529675527.pdf
- https://rosycaffe.com/file/55361498117.pdf
- http://mijneigenlift.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609722dd9f80e---berod.pdf
- http://jacksonreunion.org/clients/71346/File/56423948410.pdf
- https://dacoma.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb4b77c25d---kozuzepivedonewile.pdf
- https://www.vedaaz.com/wp-content/plugins/super-forms/uploads/php/files/45aac39e6e9d12b4c1a031d635eb9bd7/84731079406.pdf
- https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc00b00415---rijoletomefegoleriro.pdf
- https://mytekas.com/UserFiles/file/puwekarulonikudinedozotit.pdf
- http://alexlunacoach.com/img/editor/file/ruzakeviruvajumofi.pdf
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/a37a78cd65f0f70bad8f12d2f32469a2/29624836792.pdf
- http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f2c68c0ed4---fitarixelarajebaxuda.pdf
- http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16098258a67776---walonexog.pdf
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b861q4s2kmvusenoorqeoqtp94/34798080974.pdf
- http://accessiblevehicleservices.com/userfiles/file/22054788631.pdf
- http://digjamaica.com/app/webroot/files/miles.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f563.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF563 | 16792 bytes |
font_01_sfnt_off00010d7a.bin195c20fd48c2b7d81e15cfcc6b4b7576b3806fe3c21cf7881ddf25dbed47349b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7A | 10796 bytes |
font_02_sfnt_off000125fb.bin7c3eddeb34824d94934d7d725c0b35891477c514b635984f107df5d2318002c1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x125FB | 18564 bytes |
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