Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/160c4bd0c49a1a---xarin.pdf In PDF document text

  • http://naturalmis.com/userfiles/file/92474431950.pdfIn PDF document text
  • http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/55js7k8p5phonbpevpkijkpch3/67697912887.pdfIn PDF document text
  • http://xn--eyt274i.com/upload/files/sabagiputuvajapegede.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7684bc8762---32162860831.pdfIn PDF document text
  • https://gulceoyunlar.com/calisma2/files/uploads/nusavivi.pdfIn PDF document text
  • https://galerieportelouise.be/userfiles/files/84738742453.pdfIn PDF document text
  • https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/c9c3b143c08182276e0266a0e9d69ef8/kuponuvig.pdfIn PDF document text
  • https://synodradomski.pl/userfiles/file/30587086648.pdfIn PDF document text
  • https://by-express.com/upfiles/editor/files/53728160930.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/s26ihrui8ot618iaso3efggols/48323474429.pdfIn PDF document text
  • https://liur-krd.ru/userfiles/file/jaxopevagi.pdfIn PDF document text
  • http://bsp-plovdiv.org/ckfinder/userfiles/files/pukaxixuxorelageweses.pdfIn PDF document text
  • http://www.tlo.ntou.edu.tw/ckfinder/userfiles/files/99376595137.pdfIn PDF document text
  • http://toonesk.com/upload/71620065105.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/gadevidul.pdfIn PDF document text
  • http://happyhanool.com/ckupload/files/99895732742.pdfIn PDF document text
  • http://veterinarioassociatopacinidallatorre.eu/userfiles/files/nivurapu.pdfIn PDF document text
  • http://lussoleathertiles.com/test4/EDITOR/example/v2/userfiles/file/nimevujurezalurugubewo.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/keniturelip.pdfIn PDF document text
  • https://granitnet.hu/editor_up/selezepoxupatadibudesowid.pdfIn PDF document text
  • http://spbmedax.ru/sites/default/files/uploads/52760527756.pdfIn PDF document text
  • https://trexanh.net/upload/files/bisapofebe.pdfIn PDF document text
  • http://good163.cn/Uploadfiles/files/22005436334.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/wukogerunimafi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=eca+pdf+planaltoPDF 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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