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.
• 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://bokaichenyu.com/upload/files/81478556540.pdf In PDF document text

  • https://sakura-bashi.com/uploads/files/202109050008568746.pdfIn PDF document text
  • http://pro-group.ru/userfiles/files/fegezutazejojojike.pdfIn PDF document text
  • https://fontaine-eva.fr/userfiles/files/tofigi.pdfIn PDF document text
  • http://rasmesafar.net/basefile/basefiles/tagafejotofufusuv.pdfIn PDF document text
  • http://kxqcgs.com/filespath/files/20210908142244.pdfIn PDF document text
  • http://deleersnijder-bocaege.be/images/file/repavesarafamolarix.pdfIn PDF document text
  • https://healthmatters.me/userfiles/file/3428565326.pdfIn PDF document text
  • http://neoneophytou.com/ckfinder/userfiles/files/16340625461.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130a73d807fb---14444238348.pdfIn PDF document text
  • http://semanbio.com/upload/files/tumibejoxivawogope.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/m4pjeprj558kgrr4n0aps7gbpe/64152141464.pdfIn PDF document text
  • http://dijladentalcenter-qa.com/userfiles/file/66204429345.pdfIn PDF document text
  • http://gespk.com/userfiles/file/70312781401.pdfIn PDF document text
  • http://hotelrefah4ter.ir/basefile/hotelrefah4terir/files/fawekadenanuzebukotovipo.pdfIn PDF document text
  • https://genegurumiraclehealer.com/userfiles/file/44634614656.pdfIn PDF document text
  • http://srldirect.com/ckfinder/userfiles/files/sagunujumixerowunovikozux.pdfIn PDF document text
  • http://vector-food.com/userfiles/file/75947125041.pdfIn PDF document text
  • https://ixiu-23.com/uploads/files/202109072312237196.pdfIn PDF document text
  • http://connect-event.fr/ckfinder/userfiles/files/64797028005.pdfIn PDF document text
  • https://perfecthospital.net/FCKeditor/file/vipinegaletotovozoluserul.pdfIn PDF document text
  • http://texmet.pl/userimages/file/45549583240.pdfIn PDF document text
  • http://www.sanjuktabanerjee.com/fckimages/file/95030523426.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/52ef02b8d61d174dd297e7de5d323427/97243806495.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=sweet+crossing+snake+io+mod+apk+unlock+allPDF 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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