Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://nomylo.ru/uplcv?utm_term=asees+full+movie+punjabi PDF link annotation

  • http://malbreil.com/userfiles/file/29685623157.pdfIn PDF document text
  • http://bsa.by/ckfinder/userfiles/files/vupoduxoboxilu.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a7fcbda624---9985308187.pdfIn PDF document text
  • http://geotersrl.it/file/97694269046.pdfIn PDF document text
  • http://daisin1977.com/js/upload/files/jelitifawovokawu.pdfIn PDF document text
  • https://tfsroanoke.com/home/tfs/public_html/new/ckfinder/userfiles/files/53742583629.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/vafixivulatexowogeleb.pdfIn PDF document text
  • http://lucidarepavimentimarmogenovaealessandria.it/userfiles/files/velaredufotisev.pdfIn PDF document text
  • https://kvzriu.org/images/file/80302512948.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613819c843b4e---26461149511.pdfIn PDF document text
  • http://transcash.com/ci/userfiles/files/nupus.pdfIn PDF document text
  • https://nibrasimansch.com/userfiles/files/50660532266.pdfIn PDF document text
  • https://behagi.eus/files/galeria/files/86836690281.pdfIn PDF document text
  • http://needychild.org/ckfinder/userfiles/files/1376797554.pdfIn PDF document text
  • https://catbasailing.com/upload/fck/file/34848246948.pdfIn PDF document text
  • http://kaizousha.com/js/upload/files/fawonasa.pdfIn PDF document text
  • http://milkyway-vn.com/upload/files/fizege.pdfIn PDF document text
  • https://simpangkanan.com/contents/files/82379180643.pdfIn PDF document text
  • http://unseretochter.com/images/file/13639343329.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/ce142186e416fd3d3699cfa515aaa3d8/sutaposupuso.pdfIn PDF document text
  • http://okeefesreef.com/ckfinder/userfiles/files/81383266556.pdfIn PDF document text
  • http://neurooperations.com/ckfinder/userfiles/files/jojinotamivobuwegudeg.pdfIn PDF document text
  • http://xsteelstock.com/d/files/bezefawinagev.pdfIn PDF document text
  • http://namthangbasaltstone.com/uploads/image/files/96610796182.pdfIn PDF document text
  • https://alutat.com/data/file/97003336291.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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