Malicious PDF — malware analysis report

Heuristics 6

• 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 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 http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/16116599dbda5c---mibabefomififonagixufi.pdf In PDF document text

  • http://xn----itbbfrdrdbd4bgy6gi.xn--p1ai/webroot/files/files/fizovufamedofolelodem.pdfIn PDF document text
  • http://chlahb.com/uploadfile/2011/new2011617/files/2021/08/20210821020729.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d6750ad6f---18973782519.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c81208eac1---sitavewagokenalil.pdfIn PDF document text
  • https://dacinsara.ro/fckfiles/file/wepigowabitozuzoniboje.pdfIn PDF document text
  • http://vrtaspol.cz/klienti/devel/sneznerolby.cz/ckfinder/userfiles/files/biwumegasoxatip.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/jshmniec8cht1qn0uo1f8rv0u7/44644207316.pdfIn PDF document text
  • https://ecohort.com/userfiles/files/juzugoniwemedijegabo.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607578579fc51---83775388426.pdfIn PDF document text
  • http://vanillasky-ch.com/images/files/momoverurepegidamiruxu.pdfIn PDF document text
  • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16090609372941---dogewajipatipade.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/lits0qvnv57hog0kp4bj8t7qkd/wemebifu.pdfIn PDF document text
  • https://minlinart.com/archive/upload/files/mositazalulenomit.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/44ab1f7a51ebf3a28207a1f63c1ea18a/87977495508.pdfIn PDF document text
  • http://holzbau-napetschnig.at/88298496227.pdfIn PDF document text
  • http://nguyenthaotech.com/upload/files/95843299683.pdfIn PDF document text
  • https://www.acptechnologies.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c346f484218---lojixosidisite.pdfIn PDF document text
  • http://arci-mp.fr/admin/File/penorazasef.pdfIn PDF document text
  • http://nhs1966reunion.com/clients/1/1c/1ca8f1639ee69cd7806809ed3bcda9bb/File/dafogut.pdfIn PDF document text
  • https://luminex.pl/upload/file/lojigafakifu.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/fezizimodok.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d060f1677b6---73209419515.pdfIn PDF document text
  • http://pphjako.pl/userfiles/file/vagarexifuku.pdfIn PDF document text
  • https://mudateconmigo.cl/wp-content/plugins/super-forms/uploads/php/files/8fa219fff5c414ea6e1c09c98738e7e5/pazevex.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/lisopevo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=ribosomes+for+protein+synthesisPDF 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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