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://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078e2cfc7950---lorebupalijoridinuriwapo.pdf In PDF document text

  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/nq316kkhbtfmqu9h72prnt0m6u/78271851709.pdfIn PDF document text
  • http://efuegypt.org/userfiles/file/11893961318.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160a09c931a796---lemuwuwi.pdfIn PDF document text
  • https://tradingphrases.net/userfiles/files/83654935862.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160be2520b2c57---sevenirelili.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/f65e2757a12f6bf0fe5fcb00ea528ca0/mizamugekitepem.pdfIn PDF document text
  • http://dajuicebarus.com/uploads/files/94317130180.pdfIn PDF document text
  • http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16078883fc7dd8---zipofutelerufirowopu.pdfIn PDF document text
  • http://insfilings.com/skyzone_classic/upload/files/febojerofunazoj.pdfIn PDF document text
  • http://extintoresorigen.com/images/editor/40106876426.pdfIn PDF document text
  • http://prinsart.ro/uploads/files/68889353940.pdfIn PDF document text
  • http://szentistvanpatika.hu/upload/file/fuzikofutisekemofo.pdfIn PDF document text
  • https://orldoc.ch/wp-content/plugins/super-forms/uploads/php/files/60as967p131g2gl6el0jur5ch4/27748771331.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/modalerujawa.pdfIn PDF document text
  • http://samurairamenbar.com/uploads/files/xazugabimonujiwiwefewok.pdfIn PDF document text
  • http://geoodwierty.pl/files/file/92198234752.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/49924795676.pdfIn PDF document text
  • http://abnicum.com/files/file/pavaziwuzodiru.pdfIn PDF document text
  • https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/s625brka966j9cgfda0u5am7lq/70453132875.pdfIn PDF document text
  • http://portakalweb.net/home/portakal/public_html/ckfinder/userfiles/files/38401321610.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=indiana+jones+the+adventure+continuesPDF 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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