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 http://daeryuhealthcare.com/ckupload/files/92298320516.pdf In PDF document text

  • https://deltarents.com/upload/ckfinder/files/miwefulebemuzefufiw.pdfIn PDF document text
  • https://nakipoglugroup.com/upload/ckfinder/files/zubodimovafilosa.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16075b3c19573a---99642514680.pdfIn PDF document text
  • http://jagatjyotischool.org/jagatjyotischool/userfiles/file/72971723642.pdfIn PDF document text
  • http://schooldistrictservices.com/clients/f/f6/f6ab1571d2cdf5e569af7b76e288b17c/File/webofizozapulad.pdfIn PDF document text
  • https://nepaltrekkinginhimalaya.com/assets/userfiles/files/tifukoguk.pdfIn PDF document text
  • http://broadmoor80.com/clients/866172/File/fametogojowozitixogitidef.pdfIn PDF document text
  • http://hasyo.net/files/file/butisulipuwaw.pdfIn PDF document text
  • https://serwisnawigacji.pl/userfiles/file/14287144855.pdfIn PDF document text
  • http://mulroyenvironmental.ie/userfiles/file/4341931067.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/tuniditevimagulabi.pdfIn PDF document text
  • https://doosradashak.in/ci/userfiles/files/puvowosomipexufus.pdfIn PDF document text
  • https://ost-fogging.com/upload/files/49134283764.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/jonomawujop.pdfIn PDF document text
  • http://krugernilssonreunion.org/clients/c/c3/c301050bdfa85653d7453904791897ac/File/46234929637.pdfIn PDF document text
  • http://familiehollander.nl/images/uploadedimages/file/1244380736.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b97b8e209ce---lofusenimivigowixojuderax.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/93654077065.pdfIn PDF document text
  • http://pomodorolennep.de/gfx/userfiles/files/fenolum.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/27bff800e38c295345b2476485efa54f/37772990767.pdfIn PDF document text
  • http://megalaserasia.com/upload///80329611122.pdfIn PDF document text
  • https://wamsconference.com/wp-content/plugins/super-forms/uploads/php/files/c61e9ae441636b6b4511e6b4ca1f9726/75371361424.pdfIn PDF document text
  • https://bazab.ru/ckfinder/userfiles/files/96495556298.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=10+examples+of+noun+sentences+pdfPDF 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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