Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://cafij.co.za/XSRYdR1H?utm_term=math+worksheets+commutative+property+and+associative+property PDF link annotation

  • http://werkschoenenverkoop.nl/images/docman/files/65163945278.pdfIn PDF document text
  • http://master-stroi76.ru/userfiles/file/38686513464.pdfIn PDF document text
  • http://tat.tatagrohimservis.ru/files/82057219041.pdfIn PDF document text
  • http://dichvutot99.com/webroot/img/files/vokalimiregudaju.pdfIn PDF document text
  • https://sysyanginguvenlik.com/uploads/files/5498583764.pdfIn PDF document text
  • http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1621afde36062d---59602548208.pdfIn PDF document text
  • http://tuzoltosagmihald.hu/userfiles/file/foxevezob.pdfIn PDF document text
  • http://mimarkamilozkartal.com/userfiles/files/6450380813.pdfIn PDF document text
  • https://www.bsff.com/kcfinder/upload/files/5113974871.pdfIn PDF document text
  • http://lukoilmarine.com/ckfinder/userfiles/files/51014864514.pdfIn PDF document text
  • http://honghuibio.com/d/files/99026148245.pdfIn PDF document text
  • http://stapi.org/assets/kcfinder/upload/files/tetojegimu.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/16218cf2f6b361---92730976588.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/hfg8aortit7pd8pk4tvrlrro8b/tapodarovera.pdfIn PDF document text
  • http://cnkls.com/userfiles/file/1643998009.pdfIn PDF document text
  • http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/162077f056486c---woguwipopoze.pdfIn PDF document text
  • http://www.slappedtogether.com/editoruploadfiles/file/85607711070.pdfIn PDF document text
  • 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 extracted file (font_00_sfnt_off0004d14b.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0004d14b.bin)

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