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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://pistant.ru/uplcv?utm_term=how+to+clean+casper+mattress+cover PDF link annotation

  • http://artistalexanderkanevskyroyalshakespeareglobetheatrelondon.com/clientMedia/file/26788027046.pdfIn PDF document text
  • http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160afcfa5ac9f0---wixujek.pdfIn PDF document text
  • http://charugarware.com/DEVELOPMENT/charu_garware/uploaded/userfiles/file/38965333872.pdfIn PDF document text
  • https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/eb51357820e8aa8edd6e7a363a1c2428/wularitilutakaxulubus.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160894815cd9a5---nuboxuzajujatolakedebo.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/baxevazobubo.pdfIn PDF document text
  • http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1608817c009ded---8976122327.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/24490534006.pdfIn PDF document text
  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093f825c3a5c---33006472320.pdfIn PDF document text
  • http://htcable.cn/d/files/54496258160.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/5963f85dac1ea736547d781dc638d2b4/nukesujapow.pdfIn PDF document text
  • http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606f0cfcd3523---49520807506.pdfIn PDF document text
  • http://szermgrt.hu/uploads/ckfinder/userfiles/files/71531851114.pdfIn PDF document text
  • https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/0bfb9e6536708529b0dc98f7a8ac8c9a/zimazobevemafamini.pdfIn PDF document text
  • https://mannerfeltdesignteam.se/ckfinder/userfiles/files/17792634982.pdfIn PDF document text
  • http://www.deadclan.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607eeac4e85c5---27055616459.pdfIn PDF document text
  • https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/3cb41fbebfc7c80f92939ddc1b7ff506/mewivuluvezugogatikexapu.pdfIn PDF document text
  • http://ntep2008.com/UserFiles/File/48549309577.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/gobudelerisosevijuferop.pdfIn PDF document text
  • http://palyavalaszto.hu/teszt/upload/file/35833615296.pdfIn PDF document text
  • https://kurek-rowery.pl/user_pict/file/32731991845.pdfIn PDF document text
  • http://alnadaoil.com/userfiles/file/wewidezanarur.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/88f7eb4bnun5k4i84r7dt6i5i5/49025441429.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a934d80a8c5---lagadudejod.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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