Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://inwebjor.ru/uplcv?utm_term=fascinated+meaning+in+english PDF link annotation

  • http://alnoorcity.com/userfiles/file/xawubopo.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081ce7f33a73---wanugenil.pdfIn PDF document text
  • https://stijsr.com/userfiles/file/wekojexuf.pdfIn PDF document text
  • https://winston-woodward.com/wp-content/plugins/super-forms/uploads/php/files/b27d5c7c117af103b97cf6a43ef2acff/78179859005.pdfIn PDF document text
  • http://springswellness.net/wp-content/plugins/formcraft/file-upload/server/content/files/160712a6c13137---kunir.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/j1h64g3caauh5s2prcem60f20g/49664604956.pdfIn PDF document text
  • http://cpils.com/userfiles/file/15761297835.pdfIn PDF document text
  • http://www.loicadesacavem.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1609628be40936---39543712978.pdfIn PDF document text
  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/fe4097ac0af45b69b2b0e8033c1810ab/38859493717.pdfIn PDF document text
  • https://ocvirapuato.com.mx/wp-content/plugins/super-forms/uploads/php/files/58ccca04257e0ab1d93110437ec97bb5/bosejilarimo.pdfIn PDF document text
  • https://gtselect.fr/ckfinder/userfiles/files/gujapovuven.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098e5cf589cf---75749841027.pdfIn PDF document text
  • http://goteneplast.se/files/images/file/30101313536.pdfIn PDF document text
  • http://bebelino.ru/userfiles/file/27260918883.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/a8b65169b313a89ad773446efa9d0502/dizulasifejula.pdfIn PDF document text
  • https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/323f6f3c9f24b1640640cceb6a08ab74/16845274872.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e10192f830---38517266953.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/42514457076.pdfIn PDF document text
  • http://northcity.rs/slike/files/38349736742.pdfIn PDF document text
  • https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/0be94cd3a6a87a11028ccd08d27c64a6/numedupuderovabimu.pdfIn PDF document text
  • https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fa824db4fa---61090849044.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/putemosipemakinofujenur.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/17idmql68qkbb7kj6jhk8lrhi9/82662096348.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b094b00c83a---buxebuvof.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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