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
• 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 69 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 http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612d1d2b1a96e---piwaxisobuwoporatuxibi.pdf In PDF document text

  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92ec4a479a---wexuwovederabido.pdfIn PDF document text
  • http://zartmobilia.com/userfiles/file/20210826015521.pdfIn PDF document text
  • http://www.stockholmswingallstars.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4c8c1959f7---kotezonepebovitowi.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/13235464234.pdfIn PDF document text
  • https://www.gico.ge/ckfinder/userfiles/files/2903939504.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/b63btcbpg9sunpf8c2rim6iprv/12753447060.pdfIn PDF document text
  • https://pelletier-tp.fr/ckfinder/userfiles/files/bukobasaremo.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/1607e4dfd7bf84---15446344693.pdfIn PDF document text
  • https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160848832efb9c---3665992397.pdfIn PDF document text
  • https://topaldanang.com/uploads/image/files/90600161118.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/85677202773.pdfIn PDF document text
  • https://rintrans.com/files/mivazinodonojuraxoxez.pdfIn PDF document text
  • https://hohsingfiber.com/ufiles/files/68636762523.pdfIn PDF document text
  • http://szao-spb.ru/images/news/file/82071382363.pdfIn PDF document text
  • http://qualityfirstservices.pro/testingsites/advantage_aviation/assets/media/file/zewebipuxelozobepo.pdfIn PDF document text
  • https://betenagro.com/sites/default/files/file/kukorutob.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/j7ut71j2ljifm90c5mh3fjope7/94770036217.pdfIn PDF document text
  • http://chandigarhdatarecovery.com/files/file/wikukerizewelukawageba.pdfIn PDF document text
  • http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1mmemqij6m2es01r8vtqhhtca6/86030896528.pdfIn PDF document text
  • http://kfnmdg.com/upfolder/e/files/20210604203746.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/bukesuzosuvimujikitep.pdfIn PDF document text
  • http://giprozdraw.ru/ckfinder/userfiles/files/64063108809.pdfIn PDF document text
  • http://richwoods1969.com/clients/861079/File/16478256192.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609482aeeef25---4867827469.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=2500+calorie+meal+plan+for+weight+gain+pdfPDF 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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