MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of links, many of which point to compromised websites hosting other PDF files. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature, suggesting it's part of a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baae4074e86---puzegidejobadukijiwipa.pdf
- https://goldenparadisestsimons.com/wp-content/plugins/super-forms/uploads/php/files/7d414ec4c1d56cd2c15e2cfb22486838/xamina.pdf
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160babb1f5331d---43901172812.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c0a28c9b776---59435187891.pdf
- https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/3eaa841858e38e0cc303fd221b59c774/ramojixutabogit.pdf
- https://tailormade-sales-marketing.com/userfiles/file/dobozopolofunosufafuw.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608032c54898c---44737013720.pdf
- http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606dec4626a82---23482724078.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c90f41cc3---10404252614.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/2fb135e1476c911855f846aaea2d309f/84788567842.pdf
- http://wojno-stal.pl/pliki/file/51492027716.pdf
- http://aliceinformaticasrl.com/user/pages/rawarezibogozazasen.pdf
- https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/0c5d5dc92e1d503dea57ef69c9f1aaf7/tiwosavofir.pdf
- http://cherishedmomentphotos.com/clients/8/84/84fe84b553acfcd191e166b7401b6f02/File/bidijoweje.pdf
- http://xlsferrosilicon.com/d/files/gawasejinuv.pdf
- https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/arlso4u8uao7ooqhqnrjeavs54/8659213100.pdf
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/336fb748f14bbafb7784c5b97ada6374/tafidexukadabe.pdf
- http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a24931f0263---54905500822.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/713vae2b9o8rj56j26f7rmc24l/73165223878.pdf
- http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bf430c15258---14886183012.pdf
- https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/slvrc07ae52fkd35t82u92r162/39252747654.pdf
- https://www.amiunaorchestra.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a8879ecc9f3---96637516315.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/579a48eaae16017d3101d909fd075c14/wavaso.pdf
- http://www.lavalledesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607239bde7e1d---72443846543.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=science+of+spice+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_off0000da55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA55 | 16792 bytes |
font_01_sfnt_off0000f267.bin4acb193a66c42944acfa1ebbaf58ebe79d2d33300fa822df78320dd737b94f99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF267 | 17104 bytes |
font_02_sfnt_off00011ed7.bine7afc2447d1cedf9eb5e561fbae79e13134412a77707c1e9cc1e28b5964d3d52 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ED7 | 10284 bytes |
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