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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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 http://xindeshiye.com/uploadfile/file///2021091912230052.pdf In PDF document text

  • http://thelonerangerfanclub.com/ckfinder/userfiles/files/mefofujufidiravokenexudum.pdfIn PDF document text
  • http://hastensandbreakfast.nl/userfiles/file/15890146322.pdfIn PDF document text
  • http://riviera.az/userfiles/file/duvop.pdfIn PDF document text
  • http://headrepublic.pl/images/files/fafiravogojuvikitifem.pdfIn PDF document text
  • http://sts-logistika.ru/wp-content/plugins/super-forms/uploads/php/files/8b2c382f01e491f784995a14bb21db16/baxetawexe.pdfIn PDF document text
  • http://prttour.ca/FileData/ckfinder/files/20210909_0F49C463D02DF587.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/29502719498.pdfIn PDF document text
  • https://amgaa.org/temp/files/5667384630.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/l77qqudg197i9ttp5387q3142m/82491535032.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f1dd6290d---63536226012.pdfIn PDF document text
  • http://iuf.kr/pds_down/files/dojipoluzor.pdfIn PDF document text
  • http://debeleven.net/UserFiles/File/6200274302.pdfIn PDF document text
  • http://shanghaicruiseparty.com/uploads/file/29240339351.pdfIn PDF document text
  • http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1613cdfc7358e5---5407939280.pdfIn PDF document text
  • http://iweldbot.com/ckfinder/pho/files/18344253362.pdfIn PDF document text
  • https://polandpools.com/contents/files/pukofumimuzotogukupifu.pdfIn PDF document text
  • http://irvine.songhakbbq.com/uploads/files/7542686198.pdfIn PDF document text
  • https://cosplay-expo.it/ckfinder/userfiles/files/74105801264.pdfIn PDF document text
  • http://chikatere.com/Upload/files/66260964215.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/dumiwavo.pdfIn PDF document text
  • http://akvari-um.ru/userfiles/file/9766907272.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/161424d51f4087---vubafuzogikibizokobeva.pdfIn PDF document text
  • http://granitemountainranch.net/userimages/2724727903.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=can+you+see+who+watched+your+highlightsPDF 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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