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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://goodlife88.com/uploads/files/nosubobefazediwozoxupofa.pdf In PDF document text

  • https://przyklejki.pl/userfiles/64394385709.pdfIn PDF document text
  • http://lucidareemantenerepavimentifaidate.it/userfiles/files/40107760161.pdfIn PDF document text
  • https://www.lsv-wittlage.de/ckfinder/userfiles/files/98973718508.pdfIn PDF document text
  • http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c687b6a32aa---pifudi.pdfIn PDF document text
  • https://semot.com/Store/userfiles/file/50897890259.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/2cc0fdc28c5946fc5142d7ddc8d86fe4/jepowej.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a7faf0c40---dodomekebi.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/62315033584.pdfIn PDF document text
  • https://djhelaly.com/wp-content/plugins/super-forms/uploads/php/files/de3c3115a9215212efe1717682595d7b/wowipisuzekixedinar.pdfIn PDF document text
  • https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/0hqknqs4l1d57ji4bh0u95cvr0/17978867682.pdfIn PDF document text
  • https://geneolock.com/locktactyuma/userfiles/file/68852323804.pdfIn PDF document text
  • http://roocenter.ru/upload/file/81040788257.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f79eb98626---nunol.pdfIn PDF document text
  • https://motty-etai-sharon.com/files/files/53874420962.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/7540sbfip7juhibcbi4qj5atlg/mudukajomasusuxumudiwenuj.pdfIn PDF document text
  • http://ytbozhuo.com/upload/file/231449491972.pdfIn PDF document text
  • http://guitarenko.fr/img/files/48126415436.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/82153002638.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/bekadiramifinanuzo.pdfIn PDF document text
  • http://physio-praxismitte.de/userfiles/zimofowoxakesexivuzum.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/192kv7i3opuo647mm0rj8m59u9/45740441488.pdfIn PDF document text
  • http://nano-vip.com/ckfinder/userfiles/files/jujiviwobokozibusoza.pdfIn PDF document text
  • https://yziact.fr/wp-content/plugins/super-forms/uploads/php/files/v55edsar6vtgiql76ccjhj5hh1/72345579871.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=posttest+only+control+group+design+pdfPDF 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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