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
• 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 https://crewmak.ru/uplcv?utm_term=android+10+sip+account PDF link annotation

  • https://nordiskvillaventilation.dk/userfiles/file/balanuvufofepolukobaxelo.pdfIn PDF document text
  • http://neapol-m.ru/usr/file/66931030130.pdfIn PDF document text
  • http://www.biharikft.hu/bihari-admin/ckfinder/userfiles/files/11233551449.pdfIn PDF document text
  • https://ekselantechnology.solutions/ckfinder/userfiles/files/99599510215.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/zawegeduxajigixivipuku.pdfIn PDF document text
  • https://foundryindia.org/userfiles/file/jexezagaduzefaledon.pdfIn PDF document text
  • http://ellissi.org/userfiles/files/nerizawimev.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130faa523866---waxerixogaral.pdfIn PDF document text
  • http://pk-rowery.pl/user_pict/file/kevofaxefojituxib.pdfIn PDF document text
  • https://istanajp.net/contents/files/rivagavivogetidawefago.pdfIn PDF document text
  • http://tuivaivietnam.com/uploads/files/xedufeluxirulelorub.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/19639217475.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/lidodegavuwizitosixak.pdfIn PDF document text
  • https://cottingham-group.com/cufiles/files/xapekuniguwa.pdfIn PDF document text
  • https://5of7edwardstreet.com/assets/media/files/sepedijorofadapovu.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/66139449177.pdfIn PDF document text
  • http://www.cottagegrad.ru/files/file/29944203466.pdfIn PDF document text
  • https://okazdedziecko.pl/_files/Media/file/41048931625.pdfIn PDF document text
  • http://www.sindafaz.com.br/admin/editor/ckfinder/userfiles/files/61291755715.pdfIn PDF document text
  • https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16149069e7df77---gopoz.pdfIn PDF document text
  • http://hattrick-sports.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613adbb017698---69325207499.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16149a232c18e3---42529194406.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/80505508698.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613260cdc821c---12122280287.pdfIn PDF document text
  • http://goldenmallbiotech.com/upload/files/kukamanaxexedukol.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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