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
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://laborke.ru/uplcv?utm_term=best+hacking+softwares+for+android PDF link annotation

  • http://uro-medical.pl/zdjecia/fotki/file/67866767264.pdfIn PDF document text
  • https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/48798762751.pdfIn PDF document text
  • http://erodiertechnik-wenzel.de/userfiles/file/jaxinotigaxamubapikigodun.pdfIn PDF document text
  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16155cb44411af---78736833066.pdfIn PDF document text
  • https://priscar.com/documents/files/kotufowojo.pdfIn PDF document text
  • http://lovelyspa.net/ckfinder/userfiles/files/memozuzapiwodibuje.pdfIn PDF document text
  • http://tongshengchem.com/ckfinder/userfiles/files/bagogulu.pdfIn PDF document text
  • https://lerong.vn/wp-content/plugins/super-forms/uploads/php/files/2bb6e83dd147e7b6acbae18dface42bf/34562083182.pdfIn PDF document text
  • https://greenlakecruises.com/ckfinder/userfiles/files/40651227231.pdfIn PDF document text
  • http://cuacuonnhanh.vn/Images_upload/files/xazevusadosub.pdfIn PDF document text
  • http://ssaisarang.com/ckfinder/userfiles/files/74970473060.pdfIn PDF document text
  • http://internet-trade.cz/UserFiles/file/64313916416.pdfIn PDF document text
  • http://pyramidplaster.com/file_media/file_image/file/xapagawogevaporarududezo.pdfIn PDF document text
  • http://www.alex-vasilkov.ru/images/wisdom/file/6389579467.pdfIn PDF document text
  • http://klemanpince.hu/files/file/nazirezovuxogulexewul.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/75967772027.pdfIn PDF document text
  • http://jcnjl.com/userfiles/files/dabazebasemedasas.pdfIn PDF document text
  • http://czdashan.cn/uploadfile/file/2021091419012673499.pdfIn PDF document text
  • https://happyfun.tw/uploads/files/202109050900234160.pdfIn PDF document text
  • http://chayka-svg.ru/files/bajitefipiseposijigojawoj.pdfIn PDF document text
  • http://air-separation-supplier.com/d/files/dumijoxari.pdfIn PDF document text
  • http://freehajjandumrah.com/admin/admin/uploadfiles/file/famitununegawajija.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/227cb75b8c5085a699a4ad98c348c5cf/kiwikizopijuzamanekep.pdfIn PDF document text
  • https://mimpishio1bet.net/contents/files/jevozapinigusefamez.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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