Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF 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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The 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.
• Embedded URL info EMBEDDED_URL
  One 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://laborke.ru/uplcv?utm_term=used+manual+transmission+pickup+trucks+for+sale PDF link annotation

  • https://www.infrascale.com/wp-content/plugins/super-forms/uploads/php/files/8c8ba5b5b1cd940119da517988b9c9ce/59317406629.pdfIn PDF document text
  • http://sazjah.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1aac0266e---noxazukikebokuxijes.pdfIn PDF document text
  • https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ed148db2bcf---50532650911.pdfIn PDF document text
  • https://slavica.ru/wp-content/plugins/super-forms/uploads/php/files/426f50cd2eb58affc3944f4c28086b33/43611000738.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/16079749c6c5a2---gefemibajotu.pdfIn PDF document text
  • http://zaintik.org/files/galeria/files/6154131821.pdfIn PDF document text
  • http://brenno-tojestto.pl/userfiles/file/64965845085.pdfIn PDF document text
  • http://mattstergamer.com/wp-content/plugins/super-forms/uploads/php/files/atb1q7vaj3jandq9j9s1lulr3b/96792318854.pdfIn PDF document text
  • https://ajwatravel.com/wheelmarine/userfiles/file/99944023984.pdfIn PDF document text
  • https://napraforgohotel.hu/upload/file/78173501004.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/pofuxik.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/15264373333.pdfIn PDF document text
  • https://rmduncanrealty.com/userfiles/files/bavetexaduxalerivunorovux.pdfIn PDF document text
  • https://grandhotelushba.com/userfiles/file/davinazubomuzupiwosubabe.pdfIn PDF document text
  • http://bernardthevenet.fr/ckfinder/userfiles/files/8190048519.pdfIn PDF document text
  • http://www.idenet.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f636ebf367---19980497125.pdfIn PDF document text
  • https://gulertrafik.com/wp-content/plugins/super-forms/uploads/php/files/pqtaha8jhaerotsapi7r1pr13o/kudolazuru.pdfIn PDF document text
  • http://www.victorian-manor.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160777aaf0c767---kutuvojifanikanu.pdfIn PDF document text
  • http://gpn1971.org/clients/a/a2/a25689677492d603657f1241a2a69ea8/File/gakuxorexexinelipipamox.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16096a038e0bba---11072325544.pdfIn PDF document text
  • https://aucordechasse.fr/vosImages/kasazilu.pdfIn PDF document text
  • http://parilka.by/var/upload/file/7887307779.pdfIn PDF document text
  • http://atsrealtyvietnam.com/upload/files/keliwiwerumuvevosanopewel.pdfIn PDF document text
  • https://leavereview.com/customerinterview/ckfinder/userfiles/files/lolevivas.pdfIn PDF document text
  • 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

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