Malicious PDF — malware analysis report

Heuristics 8

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://shamayachts.com/upload/file/32462587589.pdf In PDF document text

  • https://inprovitvenezuela.com/ckfinder/userfiles/files/mokurukilirobirezimozesip.pdfIn PDF document text
  • http://baovethanglongmb.com/upload/files/mulimifudojug.pdfIn PDF document text
  • http://lovesushiscv.com/uploads/files/zanajemume.pdfIn PDF document text
  • https://betalinktech.com/blmedia/file/81980022565.pdfIn PDF document text
  • http://sunwisechem.com/Uploadfiles/files/55047895837.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/dsgd7pv83o7j1aqblot2e52qsi/junitakigopa.pdfIn PDF document text
  • http://erbaytag.com/resimler/files/vakejewubim.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/4pamkracfi46enhko2v33n4k32/81673294089.pdfIn PDF document text
  • http://finance-bulldog.cz/UserFiles/File/bivimumuzutoxuvifigepal.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/dirokepifeduguzu.pdfIn PDF document text
  • http://bonaparte-kerkrade.nl/fckeditor/ckfinder/userfiles/file/23650188097.pdfIn PDF document text
  • http://bretagne.annuaire-regional.com/ckfinder/userfiles/files/kigixojapofisetemiw.pdfIn PDF document text
  • http://shiny-baby.com/fileimage/file/fomopakepipane.pdfIn PDF document text
  • http://donghotam.com/luutru/files/5105689602.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/d921c614c283e265ed89d0f4cc8b6830/juparexuxasepi.pdfIn PDF document text
  • https://gkatsov.com/userfiles/file/36630799657.pdfIn PDF document text
  • https://encoyun.com/calisma2/files/uploads/rujer.pdfIn PDF document text
  • http://hainescentreasia.com/images/file/58693709928.pdfIn PDF document text
  • https://charterboatdeliverance.com/uploads/files/dasizebegegebotute.pdfIn PDF document text
  • http://shijijiaming.net/filespath/files/20210904195913.pdfIn PDF document text
  • http://zerosquareonline.com/file/55522482072.pdfIn PDF document text
  • http://www.companyforte.com/imagenes/editor/file/gugopanaxasibudaxu.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134ce5407fc6---15385242482.pdfIn PDF document text
  • http://newmob.it/userfiles/files/66295736575.pdfIn PDF document text
  • http://holidayservicemarsala.it/userfiles/files/nisurejezokogi.pdfIn PDF document text
  • https://porfic.com/fotos/file/44183173652.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=hack+instagram+id+without+human+verificationPDF 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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