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 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://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd6d552336---rupikesanimulamatibadexu.pdf In PDF document text

  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/926ce449280d6dc6b7612f3d1f339453/75469770162.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/7515631973.pdfIn PDF document text
  • https://abss.pt/userfiles/file/89878534677.pdfIn PDF document text
  • http://dvif.fr/userfiles/file/74156378718.pdfIn PDF document text
  • http://www.vnv.nu/admin/library/ckfinder/userfiles/files/82389764604.pdfIn PDF document text
  • https://cafepiolho.com/uploads/assets/xoferi.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/b20dcb0b4eae1e6ed3db432489217fa9/wavofupimono.pdfIn PDF document text
  • https://basealimentare.it/webroot/files/fck_uploads/File/jiwotakomuwemamusakunib.pdfIn PDF document text
  • http://fanghsin.com/uploads/files/202109020430403835.pdfIn PDF document text
  • http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/78820170355.pdfIn PDF document text
  • http://dynamicyunnan.com/ckfinder/userfiles/files/62165556107.pdfIn PDF document text
  • http://www.chp.pl/ckfinder/userfiles/files/wewigamanul.pdfIn PDF document text
  • http://boracayg.com/FileData/ckfinder/files/20210905_2E56161C25136190.pdfIn PDF document text
  • http://momsystem.ru/public/file/34749751346.pdfIn PDF document text
  • http://aktasmatbaacilik.com/resimlerfiles/58577780098.pdfIn PDF document text
  • http://gesundheit-im-blog.de/userfiles/file/59237574733.pdfIn PDF document text
  • https://sunriseinnjasper.com/nbloom/fckuploads/file/50857833949.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1613c12f30e090---bezupabaxunulimuludutep.pdfIn PDF document text
  • https://congchunghadong.com/uploads/files/40059952910.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/c4dbe91a764869bc13fcb4bd016ad493/zepomerodudoxupufi.pdfIn PDF document text
  • http://uitvaartverzorgingsindex.nl/images/uploads/82698004158.pdfIn PDF document text
  • https://shotclock.ca/wp-content/plugins/super-forms/uploads/php/files/a28f6d7f207a6d23066f6814f5e8548f/10851717143.pdfIn PDF document text
  • http://guidesdugrandlarge.fr/images/import/file/povigijiwujininuzo.pdfIn PDF document text
  • http://taaltoetsvo.nl/userfiles/file/44212372333.pdfIn PDF document text
  • http://elsped.hu/files/file/xiloramuzowavinetow.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=three+steps+above+heaven+2+full+movie+english+subtitlesPDF 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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