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.
• 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://krisoc.ru/uplcv?utm_term=fill+in+the+blank+us+map+worksheet PDF link annotation

  • https://stalbeckers.nl/userfiles/image/file/50888725912.pdfIn PDF document text
  • http://cedule-plachty.cz/files/file/54741128709.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/73521812103.pdfIn PDF document text
  • https://monyetmesum.com/contents//files/kumolegalelufomidedekusow.pdfIn PDF document text
  • http://masterkontroll.hu/ckfinder/userfiles/files/60149019976.pdfIn PDF document text
  • https://www.babetravelling.com/ckfinder/userfiles2/files/nimegiwif.pdfIn PDF document text
  • http://adas-muko.pl/photo/file/xisegomopib.pdfIn PDF document text
  • http://holidayinntorino.com/userfiles/files/kafitagelarevisi.pdfIn PDF document text
  • https://memorybg.net/app/templates/js/ckfinder/userfiles/files/zenofalofirikunaj.pdfIn PDF document text
  • http://reutlinger.pl/userfiles/file/demejedukoxasowuworur.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160bcfe8a73326---89908324604.pdfIn PDF document text
  • http://mlkscholarshipsmilwaukee.org/clients/f/f0/f021f13c5c598389be7e913a1ae626ff/File/miputodiruluragodowa.pdfIn PDF document text
  • https://ankaratemizlikcim.com/depo/sayfaresim/file/27341159346.pdfIn PDF document text
  • http://toyotarentcar.net/FileData/ckfinder/files/20210727_B8CBA84907D07018.pdfIn PDF document text
  • http://icltindia.in/userfiles/file/dunapupesirekibetipumuraw.pdfIn PDF document text
  • https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b889518924d---mitonegudodi.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/14666230333.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dc64d01cc86---88710786720.pdfIn PDF document text
  • https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/jbttsa3f2mcg9n0eq448rc7v34/67692034355.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c743d23dfb---23643499153.pdfIn PDF document text
  • http://aostavet.it/userfiles/files/40458498989.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c7b500a0f32---89868180079.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1b56c6d72---wuvunipifolejudajogo.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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