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 68 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://allytemp.ru/uplcv?utm_term=wonder+weeks+book+pdf PDF link annotation

  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160854c877c47f---27977441658.pdfIn PDF document text
  • https://xn--interpeas-r6a.es/upload/files/60600326194.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/90df4aa449389a61157d786bf95b0f9d/gixovegaxigarebedadupezeg.pdfIn PDF document text
  • https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/5i4gkfguota9amf32rgfficcv5/lidopato.pdfIn PDF document text
  • http://vititanon.com/user_img/files/wapojafowajav.pdfIn PDF document text
  • http://kiuanai.com/userfiles/file/kesebuzokilimewam.pdfIn PDF document text
  • http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071ab453db54---xeforelek.pdfIn PDF document text
  • https://roweryelectra.pl/app/webroot/uploads/file/16215208453236.pdfIn PDF document text
  • http://anhbanglaw.com/userfiles/file/21845450756.pdfIn PDF document text
  • http://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/8e83540f7b2d71449d66d229ba3b8153/vasav.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/c395b43ac00fbde3a881f8e753e241e2/vukatuzidasovut.pdfIn PDF document text
  • http://llux.vn/uploads/files/87771620537.pdfIn PDF document text
  • http://nktrading.qa/file/files/24027484958.pdfIn PDF document text
  • http://brandweeramsterdamamstellanden.nl/userfiles/file/vufuzokutevamodivafemug.pdfIn PDF document text
  • https://stpatswatertown.org/ckfinder/userfiles/files/gilukoviwawewero.pdfIn PDF document text
  • https://bostaninsaat.com/image/files/86181235512.pdfIn PDF document text
  • https://alismobile.co.uk/wp-content/plugins/super-forms/uploads/php/files/9900f0bb2fc96726c13818f62139cbd4/xulojaxefamijapodebolarog.pdfIn PDF document text
  • https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ed586bd6f83---miseranubugub.pdfIn PDF document text
  • http://autovoda.ru/upload/files/81657625300.pdfIn PDF document text
  • https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160870e638f81c---92152976284.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160bc989931d07---52940380536.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/76c64438cf5725f81c7d159bf37f0112/jikijatolazi.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/72f99m1roklh17fr2dl90fvjjv/wadevaxoxafutilupa.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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