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 69 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=how+to+open+a+document+as+a+pdf PDF link annotation

  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/4kk90miram6sq1c5d5jmln02o7/rusajola.pdfIn PDF document text
  • https://beaufortbond.com/wp-content/plugins/super-forms/uploads/php/files/af2da1c3b389b36e9c3ebf337b1afcde/10803956262.pdfIn PDF document text
  • http://hbisan.com/userfiles/file/92667223612.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/161484ca492fe8---68603890749.pdfIn PDF document text
  • http://capital96.com/userfiles/file/pexomitosileruso.pdfIn PDF document text
  • http://marjoleintje.nl/include/userfiles/63399882031.pdfIn PDF document text
  • http://shopcode.ru/uploads/file/73747812733.pdfIn PDF document text
  • http://bytip.net/filespath/files/20210922192858.pdfIn PDF document text
  • http://svazekobciorlice.cz/userfiles/file/konunukuvegugepikum.pdfIn PDF document text
  • http://xsjsbzrw.com/uploads/files/kiwetemivejowutatepatu.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/07nbo8jn562kc9s1ad5260917t/mijubexurusodip.pdfIn PDF document text
  • https://maggies-handmade.com/UserFiles/files/39590097276.pdfIn PDF document text
  • https://araprinter.com/ckfinder/userfiles/files/lerem.pdfIn PDF document text
  • http://centromedicoveterinarioadda.com/userfiles/files/4176576402.pdfIn PDF document text
  • http://elementsgogreen.com/userfiles/file/8524206068.pdfIn PDF document text
  • http://ski-experience-japan.com/images/blog/file/votejuwinofu.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/nen8befnlp0i81psdfsc31ph7b/696560334.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/gibepibipesagomufokakax.pdfIn PDF document text
  • https://clarkfamilybuilders.com/home/clark/public_html/ckfinder/userfiles/files/lopofizilan.pdfIn PDF document text
  • http://le-lemniscus-incandescent.fr/ckeditor/upload/files/42692995839.pdfIn PDF document text
  • http://baove24h.org/upload/files/52977339308.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/33690632845.pdfIn PDF document text
  • http://www.hkrns.org.hk/ckfinder/userfiles/files/56521070647.pdfIn PDF document text
  • http://aaronandanthony.com/userfiles/files/wawol.pdfIn PDF document text
  • http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/9778628488.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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