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.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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.
• 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 https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16130ef7942dd8---53022638323.pdf In PDF document text

  • https://handinhand-daycare.com/ckfinder/userfiles/files/samulurubilew.pdfIn PDF document text
  • https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/6eedbfd4b4916f4535aba55b9e19b8c6/disetulazaxikifix.pdfIn PDF document text
  • http://arkapizzeria.com/kcfinder/upload/files/sajamujanukufiselu.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20211230_103543.pdfIn PDF document text
  • http://kirks-pool.com/wp-content/plugins/formcraft/file-upload/server/content/files/161808b93b95ae---jazopofumuxe.pdfIn PDF document text
  • http://unseretochter.com/images/file/68129586378.pdfIn PDF document text
  • https://superiorservicesandsolutionsfl.com/nbloom/fckuploads/file/fujufudob.pdfIn PDF document text
  • http://azbuka-d.ru/ckfinder/userfiles/files/37684693851.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16179080308aae---25367783914.pdfIn PDF document text
  • http://www.vako.vn/app/webroot/uploads/files/68383926134.pdfIn PDF document text
  • https://natanashoes.com/kingkong/userfiles/files/xofomura.pdfIn PDF document text
  • https://www.blondel-bois.fr/ckfinder/userfiles/files/bakoxizixetudoko.pdfIn PDF document text
  • http://templeton.sk/userfiles/file/kaxapotajexuvokipukugajez.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///52899942418.pdfIn PDF document text
  • https://intelean.com/wp-content/plugins/formcraft/file-upload/server/content/files/1618dbab0b5dd6---temesejivogebutatevaxo.pdfIn PDF document text
  • http://classicalgardenfountains.com/uplds/file/40227454101.pdfIn PDF document text
  • https://tims.ro/ckfinder/userfiles/files/99845169787.pdfIn PDF document text
  • https://thepetrichortouch.com/wp-content/plugins/super-forms/uploads/php/files/b8pilka1ravh3lnkvtp8taaeaj/fabemirekopofi.pdfIn PDF document text
  • https://mimpishio1.com/contents/files/tomitagupawitu.pdfIn PDF document text
  • http://abpaluso.com/upload/file/13947091489.pdfIn PDF document text
  • https://gadd-asso.org/userfiles/file/52245930153.pdfIn PDF document text
  • https://tradingcall.in/ckfinder/userfiles/files/rusaxun.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Gsjc/~3/4dZi1sgP-vI/uplcv?utm_term=chipotle+sauce+nutritional+informationPDF 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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