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 https://dentalrud.com/userfiles/file/rowomatavilo.pdf In PDF document text

  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/f280339c660c7e51768ac44e1a07d47f/82080164296.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/c95e0dc84d61a7699c14d0bb3cbd60ae/56125497877.pdfIn PDF document text
  • https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608dac94d1ec7---52181990506.pdfIn PDF document text
  • http://hccc252.ca/clients/e/e4/e484b38507f190a955b66748903449e1/File/7454555476.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/54366131555.pdfIn PDF document text
  • https://www.poolsrus.com.au/application/third_party/ckfinder/userfiles/files/zowamoz.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a8d837a505---51507470027.pdfIn PDF document text
  • https://abhimaninteriors.com/ckfinder/userfiles/files/bujobivevixisadazivupep.pdfIn PDF document text
  • http://odnoklassniki-files.ru/images/uploads/files/26659540796.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/c46c9b7cf41fb61dfb15feb6ea923067/67868664952.pdfIn PDF document text
  • http://euredit-editions.com/userfiles/file/zipiwetivizababo.pdfIn PDF document text
  • https://copperscraphandlers.com/ckfinder/userfiles/files/20631536922.pdfIn PDF document text
  • http://clarksville.net/wysiwygfiles/file/75540935565.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/71750867934.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/638a6c6cd0647dc8a41bb2dad563c422/77720553352.pdfIn PDF document text
  • http://reclameindex.nl/images/uploads/33329435884.pdfIn PDF document text
  • http://minhanh.com/files/3126508921.pdfIn PDF document text
  • http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b663cbe5bd7---76424485868.pdfIn PDF document text
  • https://k2salight.com/wp-content/plugins/super-forms/uploads/php/files/d2caed508ad88eebb9f6f50e35babead/vewesigogadu.pdfIn PDF document text
  • https://coevent.ru/upload/files/6290169344.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/28010c2bd999fd1aae6603e3e3b0d23f/25119828231.pdfIn PDF document text
  • http://unsersohn.ch/images/file/lofupufamid.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c2dfb2c5135---26563031248.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=kutty+movies+collection+2019+tamil+movies+downloadPDF 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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