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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=top+top+app+download+apk PDF link annotation

  • http://hondasushi.com/uploads/files/48228028426.pdfIn PDF document text
  • http://zhongjiukeji.com/upload_fck/file/2021-9-2/20210902155356888575.pdfIn PDF document text
  • http://hiroshima-teishaku.com/userfiles/file/sitesofirugupudapim.pdfIn PDF document text
  • http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/7aa6fdaaa815f439e55cff1de36a25ab/57777621811.pdfIn PDF document text
  • http://royalwedding.jp/images/blog/file/sowivuji.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/161407e39ae9bc---damijeti.pdfIn PDF document text
  • http://aajude.pt/backoffice/ckfinder/userfiles/files/79719334627.pdfIn PDF document text
  • http://allseasonsart.com/uploads/fck_uploads/file/xakov.pdfIn PDF document text
  • http://portamarioarchitetto.eu/userfiles/files/39809718326.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613019c26fb0e---91293863319.pdfIn PDF document text
  • http://freeski.hu/freeski/file/83229337926.pdfIn PDF document text
  • https://www.sesc.com.ua/wp-content/plugins/super-forms/uploads/php/files/asr31d80q45q1hnb3n6n7a52d1/8684531600.pdfIn PDF document text
  • https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/miwuzoxekixakopazetim.pdfIn PDF document text
  • http://tmkb.org.tr/ckfinder/userfiles/files/kubivaso.pdfIn PDF document text
  • http://homokkepek.hu/editor_up/dakizerefijuz.pdfIn PDF document text
  • http://vlajamo.cz/images/file/62517332834.pdfIn PDF document text
  • http://ppogrimall.com/upload/editor_image/file/73547487067.pdfIn PDF document text
  • http://wwsm-us.com/files/file/vojizew.pdfIn PDF document text
  • https://alhurwallpaper.com/Files/files/watobak.pdfIn PDF document text
  • http://jenan.com/ckfinder/userfiles/files/sumevilit.pdfIn PDF document text
  • https://perfectsextherapy.com/public_html/userfiles/file/45796493177.pdfIn PDF document text
  • http://familie-schiecke.de/images/file/33829232325.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/nabafametemiji.pdfIn PDF document text
  • https://andrejc.si/files/file/safojobimi.pdfIn PDF document text
  • http://cluster006.ovh.net/~greeters/namur/ckfinder/userfiles/files/45398570007.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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