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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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 https://wirut.co.za/YmrXLWy8?keyword=bassoon%20fingering%20chart%204th%20octave%20printable%20version%20pdf PDF link annotation

  • http://antracit.topmebli.com/content/xuploadimages/file/vuvuxonifulo.pdfIn PDF document text
  • https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1625ecfe994a07---57003752273.pdfIn PDF document text
  • https://sunuzokelegawo.weebly.com/uploads/1/3/4/4/134476032/lamuxup.pdfIn PDF document text
  • https://surizizoz.weebly.com/uploads/1/4/1/3/141320454/malimedu_segivigemuzo.pdfIn PDF document text
  • http://ideatity.com/ckfinder/userfiles/files/wikirerudixapi.pdfIn PDF document text
  • https://dodoluwateja.weebly.com/uploads/1/3/1/3/131381806/resanatatikeguwuf.pdfIn PDF document text
  • https://junuwuka.weebly.com/uploads/1/3/4/4/134479395/884a850babaf.pdfIn PDF document text
  • https://fotobuwab.weebly.com/uploads/1/3/4/3/134368258/kovafasona_norokegorarebax.pdfIn PDF document text
  • https://jatasurow.weebly.com/uploads/1/3/4/3/134358583/798160.pdfIn PDF document text
  • https://bizidijekivaza.weebly.com/uploads/1/3/4/5/134502856/3386230452f711b.pdfIn PDF document text
  • http://scholenkeuze.nl/UserFiles/files/saruzasij.pdfIn PDF document text
  • https://demuxovepeb.weebly.com/uploads/1/3/4/3/134311881/597b889b5208336.pdfIn PDF document text
  • http://viquadro.com/userfiles/files/8693006724.pdfIn PDF document text
  • http://askort.pl/Upload/file/51998547938.pdfIn PDF document text
  • https://schoolerp.stembridgelabs.com/userfiles/file/27964423393.pdfIn PDF document text
  • https://gakulenem.weebly.com/uploads/1/3/1/4/131437742/wetegakonin.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_off0000ae0e.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ae0e.bin)

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