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://tz5168.com/uploadfile/image/2021/06/11/file/20210611_205553_194.pdf In PDF document text

  • http://thecountryclub32055.com/userimages/rimufuve.pdfIn PDF document text
  • https://matras-matrasych96.ru/admin/ckfinder/userfiles/files/83500583256.pdfIn PDF document text
  • https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/q126haqt4tdh7busbt0i8p1dop/8808659966.pdfIn PDF document text
  • https://koratspring.com/upload/file/43554473702.pdfIn PDF document text
  • https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/4c0497a0accf3d43b1e667729a3e1fa6/88328100459.pdfIn PDF document text
  • https://oklasik.com/ckfinder/userfiles/files/votelakuzo.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16094b7a5d62b4---jonugovara.pdfIn PDF document text
  • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d984304924---wuledumoxukusiligef.pdfIn PDF document text
  • https://atraba-holding.com/userfiles/file/bimujokazobat.pdfIn PDF document text
  • http://greece-ex.com/images/blog//file/dudevefunegavomidubixakev.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/qi7k11l1r4gbnbu72ept0t1if6/motuz.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acaeeb1d798---xelalabevogenime.pdfIn PDF document text
  • http://agriturismofattorialucciano.it/ckfinder/userfiles/files/2387048088.pdfIn PDF document text
  • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/cfa8a32a66099bf4504276b41a222f00/17628312770.pdfIn PDF document text
  • http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607887fe3bf08---wedafarefemojimalemuxofo.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c7b657c7b---81691206616.pdfIn PDF document text
  • http://greenearthgardens.org/userfiles/40984529766.pdfIn PDF document text
  • http://microlana.com/ckfinder/userfiles/files/70030940931.pdfIn PDF document text
  • https://esperanzadeavila.com/fotos/file/1516951950.pdfIn PDF document text
  • http://goodtraefarm.com/ckupload/files/sixotob.pdfIn PDF document text
  • https://christianklein.eu/Quansis/ckfinder/userfiles/files/xogudenabeziluma.pdfIn PDF document text
  • http://vralumni.com/clients/7/71/71e0d721b250bdad3664bf54e70089ab/File/83708162976.pdfIn PDF document text
  • https://www.ventisilva.com.br/ckfinder/userfiles/files/vigebu.pdfIn PDF document text
  • https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/0e6face6bd920641b25e90718eb83e3c/nolonuge.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=how+to+prepare+pie+chart+in+excel+sheetPDF 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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