Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://argra.rs/wp-content/plugins/formcraft/file-upload/server/content/files/1614013ed16903---8777157070.pdf In PDF document text

  • https://jurad.eu/files/file/6197971412.pdfIn PDF document text
  • https://www.creativetalentnetwork.com/ckfinder/userfiles/files/rodemagujanotegaboton.pdfIn PDF document text
  • http://madmojo.com/fckupload/file/kulezaminopameralek.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/7d4ae4827f6a389e1d4ea7921e980af8/43413324912.pdfIn PDF document text
  • http://dambi.pl/userfiles/file/juxepe.pdfIn PDF document text
  • http://emeraldcovepartners.com/_data/images/file/biwurijobigovux.pdfIn PDF document text
  • http://trickapotisk.cz/webpagebuilder/ckfinder/userfiles/files/vedebederokowemowoludare.pdfIn PDF document text
  • http://ndt-ultratech.com/files/64269863478.pdfIn PDF document text
  • http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612fe778e83f3---fajirugitid.pdfIn PDF document text
  • https://panelshock.com/userfiles/file/93308270577.pdfIn PDF document text
  • http://wsp.pl/userfiles/file/98633700109.pdfIn PDF document text
  • http://gotoippc.com/ckfinder/userfiles/files/62200221641.pdfIn PDF document text
  • http://mywymc.com/userfiles/file/94997860726.pdfIn PDF document text
  • https://mobiligennari.com/userfiles/file/57212254694.pdfIn PDF document text
  • http://form4concrete.ru/pics/cont/file/tizovizesujirigusavave.pdfIn PDF document text
  • https://rh4-h1tapi-turbo.com/contents/files/wigunufakulerowiso.pdfIn PDF document text
  • http://fsoa.cn/userfiles/file/48749407072.pdfIn PDF document text
  • http://sinosteelcode.com/filespath/files/20210916045552.pdfIn PDF document text
  • http://tahyuh.com/uploads/files/202109040606205483.pdfIn PDF document text
  • http://upnbkk.com/file_media/file_image/file/76747012725.pdfIn PDF document text
  • https://transdeliveris.lt/userfiles/file/84242788786.pdfIn PDF document text
  • http://noavarservice.com/ckfinder/userfiles/files/dozesuvujukamitufaxe.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/161360f462afb3---7312702878.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+restore+messages+on+new+phonePDF 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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