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
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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 https://garglob.ru/uplcv?utm_term=remote+protected+online+exam PDF link annotation

  • https://ever-progress.com/upload/files/84606673666.pdfIn PDF document text
  • http://barnesfamilyre-union.com/clients/52050/File/30035487882.pdfIn PDF document text
  • http://spreewaldatelier.de/img/editor/file/22881583517.pdfIn PDF document text
  • http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160841e5774cc3---semeloboromowipagoturero.pdfIn PDF document text
  • http://kstarsmall.net/userfiles/file///41284686582.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/2591d59a97bf966fdd52863f7d68e25e/91523125606.pdfIn PDF document text
  • http://htwy.com/upload/file/julupoxezudafe.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/wizurobozuweji.pdfIn PDF document text
  • http://zhodnoceni-penez.cz/is/images/FCKeditor/File/xodipabut.pdfIn PDF document text
  • http://helloshoppingnepal.com/userfiles/file/30821858893.pdfIn PDF document text
  • http://cerezolorente.com/files/cerezolorente/_repo/file/jifamabil.pdfIn PDF document text
  • https://thefencedocumentary.com/adminfiles/file/79862309914.pdfIn PDF document text
  • http://beming.com/ressource/site-image/files/41593443946.pdfIn PDF document text
  • http://delve-cr.com/uploads/57426825500.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/d1b8cc601af08a8311225d41e874dce0/45425733821.pdfIn PDF document text
  • http://centronegozi.com/public/66908679500.pdfIn PDF document text
  • https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/73a9a3367af3d022e552bfe8a4889fd5/sediwojajinudosudipole.pdfIn PDF document text
  • http://saydersan.com/firma/files/laregopenapomexagola.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/44cbfe2a1b98c4a0ca53d18b7064e991/maxedoretepelobimopane.pdfIn PDF document text
  • http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/vefavapet.pdfIn PDF document text
  • https://alatheir.com/atheirwsfiles/file/kopifiralujo.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/96715124283.pdfIn PDF document text
  • http://maximaviajes.com/FCKfiles/file/38539807225.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 PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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