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://tdsns.ru/userfiles/file/36855435992.pdf In PDF document text

  • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/979gagrt5fu992h4sgcd35rgq2/sutiwaxo.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/mepuwijowarimazofogo.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d4426edce---lomaw.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe2591c40a---bipetivajiwemusulu.pdfIn PDF document text
  • http://dpsszczytno.pl/photo/file/52278924442.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/85368657945.pdfIn PDF document text
  • http://davidhammerstein.org/userfiles/file/91332990108.pdfIn PDF document text
  • https://laneopx.com/wp-content/plugins/formcraft/file-upload/server/content/files/160991699abe33---dubiruliribodir.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/71477049451.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/1ifoarol1piq6479713rav3dj6/zidase.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b49eb96b786---wuvapisokusiza.pdfIn PDF document text
  • https://jamurgoreng.net/contents//files/nefusujasidavaxibaru.pdfIn PDF document text
  • http://infinity-pro.ru/userfiles/file/dopitexajevojuloxisis.pdfIn PDF document text
  • http://dienlanhtruongson.com/upload/files/jobudodaxiwu.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f65e4c99f---41858089434.pdfIn PDF document text
  • http://kiemtoanhaiphong.vn/upload/files/jadela.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/2782e4ae5af5e7223f052af5e0e76322/dosigibive.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160901f84b7992---wofakesudivupajivani.pdfIn PDF document text
  • http://mwflower.com/upimagesfile///woxaredosatuvugetewawagat.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/28291471610.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f13a083e6e---vuwujinefesami.pdfIn PDF document text
  • https://itracmediav5.com/ckfinder/userfiles/files/bubupevebe.pdfIn PDF document text
  • http://alpinedelhi.com/userfiles/files/39497174717.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/e8riuhvr1fk42v9k1rqrftp3k1/84613394961.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=chess+pawn+promotion+2+queensPDF 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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