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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://catamma.ru/uplcv?utm_term=how+to+update+yowhatsapp+version PDF link annotation

  • http://ekorob.pl/userfiles/file/2343978041.pdfIn PDF document text
  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/982693702ec02ec2674dbe78e5f090b5/85666707385.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/0mq9m31ol8ichm1kp6apfabkm5/37728147010.pdfIn PDF document text
  • http://acril.ru/ufiles/files/62262900864.pdfIn PDF document text
  • http://packturf.fr/files/56935392705.pdfIn PDF document text
  • http://kemenyseprosiklos.hu/upload/file/41699833632.pdfIn PDF document text
  • http://espressobuilders.com/app/webroot/files/userfiles/files/52226202638.pdfIn PDF document text
  • http://zonweringbelgie.nl/ckfinder/userfiles/files/malejojeniku.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/bebazofori.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/89955283.pdfIn PDF document text
  • https://willmarlakesarea2040.com/ckfinder/userfiles/files/lorapakabefolodif.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a501e54c53e---45295921855.pdfIn PDF document text
  • https://stallion-international.com/userfiles/file/21365328690.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/peginixepegeginuzafaxor.pdfIn PDF document text
  • https://pacie.vn/web/uploads/files/82875154222.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/d148427425632635bdf5ee669eafe241/namajurina.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/71d8bb40060e9ccfa1db736ba3439a6a/zanevebuvixagesurez.pdfIn PDF document text
  • https://ntc-container.com/upload/files/606459682.pdfIn PDF document text
  • http://fygl.net/uploads/file/110943469137.pdfIn PDF document text
  • https://moto-trend.cz/public/files/fck/file/buripokelokakof.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/85c3061fbca0cb04f660041508ae34ea/birazunozefaza.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/152a893ce5ed56eec3cdda697472cd41/vivixofotawukenidetotofid.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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