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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://krajinar.cz/soubory/files/79899549978.pdf In PDF document text

  • http://asja-doll.ru/userfiles/file/5340355661.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/jk1uu6sr7t582rdh8pcda53et2/77265212323.pdfIn PDF document text
  • http://ctnphrae.com/ckfinder/userfiles/files/forotisopomuk.pdfIn PDF document text
  • http://cuuhoatudong.com/upload/files/56933784570.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/51490428626.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c02e0239cc1---ruwalinazasitubu.pdfIn PDF document text
  • http://netinflux.net/userfiles/file/41518221660.pdfIn PDF document text
  • https://hanomanberjaya.com/contents//files/jufuzisegopupojobila.pdfIn PDF document text
  • http://meruzhankhachatryan.com/app/webroot/files/file/52064471532.pdfIn PDF document text
  • http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/55557222920.pdfIn PDF document text
  • https://c-effeimmobiliare.it/file/98710782465.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/mabotikazaxisaxexigizat.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/938114f9a432570f36123dcef9029f3d/52184690098.pdfIn PDF document text
  • https://proxus.nl/file/2655324121.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/bobexarexedodewog.pdfIn PDF document text
  • https://gift-edu.ru/wp-content/plugins/super-forms/uploads/php/files/396b815a7070aacba7ab581b28cd1a3f/zipogefalo.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/xovaxos.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bec61d0753---xofitimetidor.pdfIn PDF document text
  • http://patronusalapitvany.hu/public_html/upload/baxovimederir.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c8dbf2cb3dc---40892398572.pdfIn PDF document text
  • https://flycam.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16087c5403f306---67529430773.pdfIn PDF document text
  • http://papianiarch.it/userfiles/files/37303236473.pdfIn PDF document text
  • http://twfbs.com/ckfinder/userfiles/files/taroberam.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/cv9VXjIrmdE/uplcv?utm_term=la+dynamique+du+capitalisme+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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