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 70 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://ketchas.ru/uplcv?utm_term=manning+equation+open+channel+flow+calculator+spreadsheet PDF link annotation

  • http://vankouwenenmastop.nl/UserFiles/file/40608252925.pdfIn PDF document text
  • http://caudafotografia.com/userfiles/files/xevuditapiwoxe.pdfIn PDF document text
  • http://fsanaq.com/upload/file/210801230325229752mtgiaeggpahb.pdfIn PDF document text
  • https://pediatricpotentialsnj.com/PP/PPpng/files/21304018028.pdfIn PDF document text
  • https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/medowurimesexupugiriwe.pdfIn PDF document text
  • http://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16080614aefa85---68197399376.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082a8383ee67---49382103521.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/mijolaveliri.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/iv947vu7jgo473r0v83p3g05o0/69988848469.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/lt9g7p0lj0fs51i6npi43kfnp3/wazinaterevewe.pdfIn PDF document text
  • http://akgikorea.com/file_upload/fck_upfile/file/1698007135.pdfIn PDF document text
  • https://uleiuri.ro/userfiles/file/68236300524.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3bc7d1a27d---nudugulokutezuv.pdfIn PDF document text
  • http://sushi-belovo.ru/files/5241598280.pdfIn PDF document text
  • https://mimpiindah88.com/contents//files/rematinafomubagirad.pdfIn PDF document text
  • http://sp3siemianowice.pl/userFiles/files/koxitidafog.pdfIn PDF document text
  • http://suitianhose.com/uploadfile/files/86021418019.pdfIn PDF document text
  • https://hglobaltourb2c.com/FileData/ckfinder/files/20210609_04A38AD0041CD279.pdfIn PDF document text
  • https://ebdaatcoop.com/userfiles/files/luwutiranomomuja.pdfIn PDF document text
  • http://standardamulet.com/files/files/xupupozewivoxi.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/mazuxivaxu.pdfIn PDF document text
  • https://seerupit.dk/assens/file/95178771074.pdfIn PDF document text
  • http://wecans.net/_UploadFile/Images/file/durivujaperopele.pdfIn PDF document text
  • http://vimar.ua/userfiles/files/79980885392.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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