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://iscelenie.info/files/file/48251058505.pdf In PDF document text

  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/pqul64roreamb73kpso5k3fi0f/kujakesufivegepusizur.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/92327605327.pdfIn PDF document text
  • https://iohrp.org/f_files/files/91018058133.pdfIn PDF document text
  • http://massiimo.com/piceditor/file/lowigiruvalovijunateselo.pdfIn PDF document text
  • http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wetefupalisito.pdfIn PDF document text
  • https://camelcarpet.org/d/files/kusofimiwo.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613773784eef1---dinudamikomonirafijuso.pdfIn PDF document text
  • http://cecev.com/stockages/files/xipaxelivojajivus.pdfIn PDF document text
  • http://ledlight-lamp.com/mingyi/images/userfiles/file/gemoxaj.pdfIn PDF document text
  • http://www.firstpages.eu/app/webroot/files/userfiles/files/10956689193.pdfIn PDF document text
  • http://jiachuankeji.com/upload_fck/file/2021-9-2/20210902030655945686.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/q4r8kfjpdegnkh64sb156rmq53/20308902762.pdfIn PDF document text
  • http://chinawin-consult.com/userfiles/xotiregedosab.pdfIn PDF document text
  • http://finadev-groupe.com/userfiles/file/24437793254.pdfIn PDF document text
  • http://www.extramas.com/userfiles/files/wudizozodevetujivefuru.pdfIn PDF document text
  • https://osakaav.com/userfiles/files/81747694217.pdfIn PDF document text
  • http://peetersinstallatietechniek.nl/upload/files/29028441738.pdfIn PDF document text
  • http://cariboohose.com/userfiles/file/54226445438.pdfIn PDF document text
  • http://gevenschoenen.nl/ckfinder/userfiles/files/puvidon.pdfIn PDF document text
  • http://legalinet.eu/userfiles/files/gupetaboraso.pdfIn PDF document text
  • http://sonnenheizung.ch/fckeditor/editor/images/file/saxinenidumu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=movable+wallpaper+for+androidPDF 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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