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 http://dailymaytrogiang.com/userfiles/files/42311540827.pdf In PDF document text

  • https://ntct-dz.com/ckfinder/userfiles/files/88496514596.pdfIn PDF document text
  • http://carraracucinecomponibilitrapani.it/userfiles/files/gowasipe.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/dodowepuw.pdfIn PDF document text
  • http://pnmanagementsolutions.in/uploads/27583852779.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ik7ucqbjppm82895dq7o80pqii/ziwumotofatorenugemif.pdfIn PDF document text
  • http://fleshlight-tw.com/userfiles/file/47009666598.pdfIn PDF document text
  • https://piphoto.tw/uploads/files/202109081937575207.pdfIn PDF document text
  • http://cartonwrappingmachine.com/userfiles/file/17361957630.pdfIn PDF document text
  • http://mwbright.com/upload_fck/file/2021-9-1/20210901191430497031.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c3ef8d06b---24807443241.pdfIn PDF document text
  • http://chi-kara.net/Upload/files/82124965800.pdfIn PDF document text
  • https://egc.ecrom.work/syo/files/wotivexo.pdfIn PDF document text
  • https://yarsan.ru/wp-content/plugins/super-forms/uploads/php/files/f10cb9b862dc028b219b462913b210d5/80229496954.pdfIn PDF document text
  • https://emenu.hu/editor_up/jivisizokuvu.pdfIn PDF document text
  • http://eros-arena-reutlingen.de/eros/userfiles/file/25571023007.pdfIn PDF document text
  • http://kammed.com/userfiles/file/fefexibepadogir.pdfIn PDF document text
  • http://suphammamnon.org/uploads/files/87526983377.pdfIn PDF document text
  • http://saraya-shop.ru/upload/files/gebaduzapofitakes.pdfIn PDF document text
  • https://implantsdentairesdesmoulins.com/upload/editor/file/45881654044.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/161378546285d6---zuvagavubugu.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/a413c58c47806dec631119174ffeccc0/75812271694.pdfIn PDF document text
  • https://fulzugaskozpont.hu/files/63504434862.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=android+print+pdfPDF 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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