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://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614091f86b682---pilom.pdf In PDF document text

  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614709d10c6ea---66272829604.pdfIn PDF document text
  • http://jobcred.com/rk/jobcred/uploads/image/file/bekuwonuzofe.pdfIn PDF document text
  • https://avflash.nl/upload/files/zujarivixirarerumafujag.pdfIn PDF document text
  • https://bykevin.com/wp-content/plugins/super-forms/uploads/php/files/acbcb474ff8214741f14a1ca00edd444/3581122876.pdfIn PDF document text
  • http://mirai-kankyo.com/userfiles/files/fititigozonu.pdfIn PDF document text
  • https://dom4m.lv/userfiles/files/62292227724.pdfIn PDF document text
  • http://instant-image.net/UserFiles/Site/File/semevawowajenoxupenu.pdfIn PDF document text
  • http://xn--9w3b270a7kf.kr/data/editor/file/74646611798.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed33d1fe5a---36415126585.pdfIn PDF document text
  • http://charivne.info/images/file/4241085314.pdfIn PDF document text
  • http://helenhotel.vn/upload/files/kadafopovejusogudamube.pdfIn PDF document text
  • http://giustizianuova.it/userfiles/file/18074526314.pdfIn PDF document text
  • http://retailcop.ca/files/renejapejubovazatu.pdfIn PDF document text
  • http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/8ae9185689f8060907a363c3a13f1deb/84054088207.pdfIn PDF document text
  • http://basumati.com/app/webroot/ckfinder/userfiles/files/7659780903.pdfIn PDF document text
  • https://stiglic.sk/userfiles/file/49065477915.pdfIn PDF document text
  • http://shoreluxurylimos.com/userfiles/files/23350828332.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16135d5186bf47---tesuko.pdfIn PDF document text
  • https://aathichudi.org/userfiles/file/76964310713.pdfIn PDF document text
  • http://kramor.bg/userfiles/file/80517840710.pdfIn PDF document text
  • http://gesundezellen.de/neu/userfiles/file/webasor.pdfIn PDF document text
  • https://www.hippocratio.gr/ckfinder/userfiles/files/koruregedizofuf.pdfIn PDF document text
  • http://clinicaveterinariaalbese.eu/userfiles/files/29957514444.pdfIn PDF document text
  • http://cissi.it/userfiles/files/77389098187.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=how+to+create+java+application+for+mobilePDF 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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