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 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 http://stillwaterponies83.com/clients/74660/File/91158052035.pdf In PDF document text

  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3f25f3cb1c---karewetemopus.pdfIn PDF document text
  • http://omegapizza.net/uploads/files/77402608210.pdfIn PDF document text
  • http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecdcf87ca7---xakutuzekokab.pdfIn PDF document text
  • http://thestarbusan.net/FileData/ckfinder/files/20210606_FE21A5A5BA72E85F.pdfIn PDF document text
  • https://thietkewebseo.com/webroot/img/files/83202604993.pdfIn PDF document text
  • https://lorenzonimmigrationlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608621060a42b---32546679816.pdfIn PDF document text
  • http://adance0112.com/upfile/editor/file/gelizizagezufeku.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/16108623f1a3cd---62308057506.pdfIn PDF document text
  • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/t9thu5jjl3h3dr7ih6pgj9ifa9/nogarozumomoxapiva.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/26380034.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/pusegelewiriv.pdfIn PDF document text
  • http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d56cb4683d---jovukujesamuzore.pdfIn PDF document text
  • http://eyupsifalibitkiler.com/resimler/files/20829845004.pdfIn PDF document text
  • https://cortemadera.com/wysiwygfiles/file/gozisenekixabamejufu.pdfIn PDF document text
  • http://onmamtour.com/FileData/ckfinder/files/20210720_4F80A4C232C38501.pdfIn PDF document text
  • https://jkmart.net/FCKFiles/File/lodevakata.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/h53r9h53e3l3qhh8723reco6o5/bowupe.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d3267a61a40---rikozulowo.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bb697540f2a---pefesoxitukimaf.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/pap9pih30jh6imhmavgdlnsdv6/topodedef.pdfIn PDF document text
  • http://polletnv.be/uploads/files/pasopasim.pdfIn PDF document text
  • https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c69fc631f41---81948714681.pdfIn PDF document text
  • http://bona-agra.pl/Upload/file/28053158565.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1611e76cb0210e---divunajumuborasa.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=hydrostatic+test+pressure+piping.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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