Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 67 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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.
• 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://infrive.ru/uplcv?utm_term=stream+shows+free PDF link annotation

  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/161498140a52aa---21440199698.pdfIn PDF document text
  • http://hisunnychem.com/upload/files/23066455846.pdfIn PDF document text
  • https://cargobull.cz/res/file/45135579155.pdfIn PDF document text
  • https://postelezmasivu-olomouc.cz/ckfinder/userfiles/files/renemiguzuzakifenowozadeg.pdfIn PDF document text
  • http://teamhead.net/userfiles/file/welatepapuxodofo.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/90e6ecd534fb46d492e704a211903687/50476391165.pdfIn PDF document text
  • http://ladyqueen.it/userfiles/files/wafinelalokifezini.pdfIn PDF document text
  • http://efeotokiralama.com/Upload/file/60671201642.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/44379424111.pdfIn PDF document text
  • http://thaiboxes.com/piceditor/file/pofabujafigosuvo.pdfIn PDF document text
  • http://quangphong.vn/uploads/image/files/vofuwanuxapedikelawa.pdfIn PDF document text
  • https://www.prieur-equipement.com/ckfinder/userfiles/files/98029767822.pdfIn PDF document text
  • http://duef.ru/public/file/derudivukupedipazitek.pdfIn PDF document text
  • https://hashtag.school/userfiles/file/96614471230.pdfIn PDF document text
  • http://mama-care.com/UserFiles/file/89902652464.pdfIn PDF document text
  • https://gizaviation.com/uploads/files/ziripurewubogararojekomar.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161420fdd2643b---69488661641.pdfIn PDF document text
  • https://szalkasszorutacskok.hu/app/webroot/files/content/files/56040822179.pdfIn PDF document text
  • https://toscanafantastica.com/userfiles/file/84880288628.pdfIn PDF document text
  • http://lednotice.com/userData/board/file/71776212681.pdfIn PDF document text
  • http://connectcontrol.net/files/userfiles/files/63160841307.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/29613191554.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/76366892347.pdfIn PDF document text
  • http://accurateverdicts.com/wp-content/plugins/formcraft/file-upload/server/content/files/161467864bc8af---20091745064.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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