MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, which in turn host other PDF files. This pattern suggests a link farm designed to obscure the ultimate destination, likely a phishing or malware distribution site. The ML classifier and ClamAV detection strongly indicate malicious intent, with the primary attack pattern being the use of a link farm to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9033024bf7---latametitivi.pdf
- https://anzmrrn.org/wp-content/plugins/formcraft/file-upload/server/content/files/16098c2e41a570---rifujijawatezugateloka.pdf
- https://bruceautoservice.com/files/file/vokidurufuvo.pdf
- https://netiko.ge/img/Data/file/2168541047.pdf
- https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/7163c56f3fe149474c190910dc2936fe/veletenut.pdf
- https://www.syah.org/wp-content/plugins/super-forms/uploads/php/files/00f8e48d51423e9232439b8b1e61b73c/389242857.pdf
- https://c4ir.ae/wp-content/plugins/super-forms/uploads/php/files/vemnb4699pj8dnnuvure8l7l35/32747099151.pdf
- http://samafb.org/uploadfilefiles/dorizudulagoja.pdf
- https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/jsaplnulgn01p612n4h6cetf1a/kinobadixalepunuledimirof.pdf
- http://termocity.by/pics/files/ketidado.pdf
- https://yourlightingbrand.com/wp-content/plugins/super-forms/uploads/php/files/558c5cdd28212a9440c9b66b07a4ac4f/jaladufavatenovinub.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0616a954a---lebuzapegazibipenu.pdf
- http://nnk.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a47d7fbd0---22271507507.pdf
- http://jnafarms.com/clients/864068/File/47025494841.pdf
- http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160950c1c36f4e---jofezagokolapinavobez.pdf
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160715ac6c565d---sulurerawawu.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1608557f729667---51985825083.pdf
- http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c66369d0474---bovajuriwudajowofavir.pdf
- http://clarksville.net/wysiwygfiles/file/41405025839.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aafb682cecc---2800031220.pdf
- http://sllight.ru/design/img/upload/file/lanagufomuputesopixozesod.pdf
- https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/1f9bf9948d6aebb85b2c418535b04df5/76433423619.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609c28e2475ae---zadatedopogirebevetob.pdf
- https://mariellatriolo.it/public/file/47022754237.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=vitrectomy+for+floaters
- 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_off0000f0c5.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF0C5 | 16792 bytes |
font_01_sfnt_off000108dc.bin2203a8c3db2ebab85499f9fce47133d0abfb0334bbbb1107e9f751edc5c109ce |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108DC | 10476 bytes |
font_02_sfnt_off000120c1.binff22a36e8ca23aa8e51fa733c226a50c60c464fd77fdd7c2fa7d63237a33f564 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120C1 | 16680 bytes |
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