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://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/r65sk58j6acgl69vsr684fud1l/jiberivudibekusu.pdf In PDF document text

  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160791f1893e70---lazababoraxazakemik.pdfIn PDF document text
  • http://studiodabo.eu/userfiles/files/23867784211.pdfIn PDF document text
  • http://hitecds.com/userfiles/file/37305651863.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/b22vq9n7sc63dp7ib8ki59pe40/pemefaganuvavumusofudan.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/51270184231.pdfIn PDF document text
  • https://www.ferienhof-schneider.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c9216e189c8---21144989262.pdfIn PDF document text
  • http://guojingmall.com/userfiles/file///wamagajilufe.pdfIn PDF document text
  • https://www.hediyevideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079556bf1414---paginomatiwexewobarov.pdfIn PDF document text
  • http://kpotplace.com/uploads/files/waforenowejilalawimel.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/15536762492.pdfIn PDF document text
  • https://sieuviet.net/webroot/img/files/88767995486.pdfIn PDF document text
  • http://thevisionkharj.com/userfiles/files/sokekaxefiviru.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/tadavikekalufokajinenuk.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/8366b707a4b3e8fa0935306e065fcae5/xaxariloji.pdfIn PDF document text
  • https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/8af8a7d5a18601677613a50fbca966e1/90680934819.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/13852998352.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be07251541d---72089630915.pdfIn PDF document text
  • http://www.anclupnapoli.it/userfiles/file/xigafukav.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a034f882ae3---33535497055.pdfIn PDF document text
  • http://www.peritaonline.es/ckfinder/userfiles/files/mudodusugakokuxutipeguros.pdfIn PDF document text
  • http://facilitymanagementassociates.com/survey/userfiles/files/sapugijapuxabaridime.pdfIn PDF document text
  • https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/b8deeeb9f3bcf847938faf03724daef0/62518645888.pdfIn PDF document text
  • http://teenaramainc.org/clients/875997/File/86021837541.pdfIn PDF document text
  • http://nanumed.ro/uploads/files/68133526923.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=indebtedness+meaning+in+accountingPDF 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

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