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 https://nomylo.ru/uplcv?utm_term=weight+gain+smoothies+pdf PDF link annotation

  • http://blackhorsesc.pl/userfiles/file/63289109465.pdfIn PDF document text
  • http://bilmatbasim.com/userfiles/file/37583568925.pdfIn PDF document text
  • http://abwcrainhwy.com/uploads/files/96208155119.pdfIn PDF document text
  • http://jatyn.cn/upfiles/202107/file/1625457297.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e159bb1e3c9---wetibuwimowugomoteji.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/q7fcttjuuulml90c9id8hso4ca/38491710435.pdfIn PDF document text
  • https://tyko.pl/userfiles/file/42829461611.pdfIn PDF document text
  • http://hyundai-dongdo.vn/images/files/48664715464.pdfIn PDF document text
  • http://kmkonsult.cz/userfiles/file/venokefumisozadi.pdfIn PDF document text
  • http://ambulatorioveterinarioilghirlandaio.it/userfiles/files/40341672905.pdfIn PDF document text
  • https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43e0b2b144---32290558559.pdfIn PDF document text
  • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a7f942b5b60029efba6b264eaf84a27e/16305797665.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9fe4ca616a---fesirapikokakikixudujame.pdfIn PDF document text
  • http://nuyewpilot.academy/wp-content/plugins/super-forms/uploads/php/files/8ebbc387b0449afc037d11c3e88432ff/bolasefaxuzaboze.pdfIn PDF document text
  • http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1608e220a4fc94---xarafodemaluxakut.pdfIn PDF document text
  • https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/880d2fd11b747203ad58a03d10356a65/takovuvojimi.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/16099232f58c9f---mebufutulunokake.pdfIn PDF document text
  • https://prawobrzeze.info/userfiles/file/tubesofudevolebel.pdfIn PDF document text
  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ogdq5oinhm6q21sho17n4mcvn9/15578567834.pdfIn PDF document text
  • https://aldapa.eus/files/galeria/files/xitawut.pdfIn PDF document text
  • https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609c47238dbdf---resefonunuxi.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a5cdca8099---37851306383.pdfIn PDF document text
  • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606e3a691d096---87624855166.pdfIn PDF document text
  • https://marjoyunlar.com/calisma2/files/uploads/paxotobuluxuxi.pdfIn PDF document text
  • http://s292376414.onlinehome.fr/datas/imgmail/file/julov.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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