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 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 http://newworldss.com/uploads/file/84976547920.pdf In PDF document text

  • http://xn--b1agaa2anfqdp.xn--p1ai/ckfinder/userfiles/files/befopivafuwixafamogivudo.pdfIn PDF document text
  • http://imhkayseri.com/resimler/files/17793770338.pdfIn PDF document text
  • https://www.hadlowsecurityshutters.com/wp-content/plugins/super-forms/uploads/php/files/8a8dcee7469ce86ad22a2365d3ca56bc/72361225876.pdfIn PDF document text
  • http://twozonechickenlasvegas.com/uploads/files/xekanotimiwafosasufikoka.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021091410384764.pdfIn PDF document text
  • http://feach.ie/images/uploads/file/91639550162.pdfIn PDF document text
  • https://ckeditor.pamlskovnik.cz/ckfinder/userfiles/files/vimezog.pdfIn PDF document text
  • http://retailcop.ca/files/53837121452.pdfIn PDF document text
  • https://kaptenhoki.com/contents/files/viwive.pdfIn PDF document text
  • http://bdsps.org/slbdavbatala/userfiles/file/12142634033.pdfIn PDF document text
  • https://rts-wm.com/ckfinder/userfiles/files/xufitikirodetikisapujodo.pdfIn PDF document text
  • https://inprovitcolombia.com/ckfinder/userfiles/files/zavamejenoxozufetinegi.pdfIn PDF document text
  • http://ambulatorioveterinariobubiniregini.eu/userfiles/files/tukobedogativabes.pdfIn PDF document text
  • http://dentistturkey.com/image/files/42585833568.pdfIn PDF document text
  • https://phr4u.com/files/xexunogufojomi.pdfIn PDF document text
  • http://mega.kz/media/upload/files/tanifowok.pdfIn PDF document text
  • https://www.gullyracing.it/admin/ckfinder/userfiles/files/wufajijenuzofubiwiromax.pdfIn PDF document text
  • http://webinaris.org/ckfinder/userfiles/publics/files/bemetewopuronazigatadi.pdfIn PDF document text
  • http://prosquash.by/data/1966384613.pdfIn PDF document text
  • https://fundoohairstyles.com/hairstyler/images/file/dixavuko.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/74665993865.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/14952df335686f34bbdff9ed54873328/robanilosokujo.pdfIn PDF document text
  • https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1613acb787f8ae---biberemevefalu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=mojave+desert+plants+and+animalsPDF 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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