Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://catamma.ru/uplcv?utm_term=game+download+karvanu+software PDF link annotation

  • http://hengtongrongshang.com/jingkelun/userfiles/files/20210914051707.pdfIn PDF document text
  • http://pelesiuvalymas.lt/i/File/10827921355.pdfIn PDF document text
  • http://sh-ruiyangcpa.com/userfiles/file/2021-9///202191777454056.pdfIn PDF document text
  • https://maharajganjtimes.com/assets/ckfinder/core/connector/php/uploads/files/80857727076.pdfIn PDF document text
  • http://www.anglometais.com.br/adm/Editor/ckfinder/userfiles/files/10428826768.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/kekageba.pdfIn PDF document text
  • http://acelybio.com/upload/files/41881406768.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161330cf4b365a---78492074548.pdfIn PDF document text
  • https://marsanz.pl/uploads/fck/file/96612163935.pdfIn PDF document text
  • https://andana.us/files/files/xikowenitoxupi.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/a7b701b7472c41dfdc9ee120bcc13d96/zefagepigim.pdfIn PDF document text
  • https://gencatakan.com/upload/file/28295379572.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f30359608f---16828033786.pdfIn PDF document text
  • http://mobilahomedesign.com/userfiles/files/zukazas.pdfIn PDF document text
  • http://ledlight-lamp.com/mingyi/images/userfiles/file/jores.pdfIn PDF document text
  • http://ticaproduce.com/ckfinder/userfiles/files/17620664345.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/31066084286.pdfIn PDF document text
  • http://crystaltrade.hu/data/file/94200526996.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/f21b0ed9fe19fcfe399cbf17b2cab7ad/60398549606.pdfIn PDF document text
  • https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/4mcotclrsf6gqnkp1ia169oqd5/85219360618.pdfIn PDF document text
  • http://countryclaim.cz/userfiles/file/depobemipovowulevivif.pdfIn PDF document text
  • https://peptidturkiye.com/ckfinder/userfiles/files/49433920090.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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