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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3c7048e953---fuvagabexiwax.pdf In PDF document text

  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/5112925980.pdfIn PDF document text
  • https://pass-eco-energies.com/ckfinder/userfiles/files/3018823979.pdfIn PDF document text
  • http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609861f7c4d36---borufilanolemoxoropo.pdfIn PDF document text
  • http://cavusofis.com/images_upload/files/wiwizotired.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/f093jglhckgtraacu9fajiiad2/55189108908.pdfIn PDF document text
  • http://digifast.cz/userfiles/80255980910.pdfIn PDF document text
  • http://cec-intl.ru/app/webroot/files/file/82188503016.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/0c0ef5081a6f36d5f3fd1fa076d4d484/38349193830.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a02179556fd---5907415297.pdfIn PDF document text
  • http://rayocazar.com/images/elfinder-1.1/files/file/48562880180.pdfIn PDF document text
  • http://henskeschildersbedrijf.nl/upload/fupisotaloviburude.pdfIn PDF document text
  • https://bursaceviritercume.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c3c08cb3af---84661437656.pdfIn PDF document text
  • http://balassalaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/93175774055.pdfIn PDF document text
  • https://faceless.me/userfiles/files/53955519404.pdfIn PDF document text
  • https://kompaspt1.com/contents//files/1655152300.pdfIn PDF document text
  • http://video-cycling.de/files/file/68871238775.pdfIn PDF document text
  • http://wuxihemei.com/ckfinder/userfiles/files/20210819_042237.pdfIn PDF document text
  • https://bazab.ru/ckfinder/userfiles/files/59121312994.pdfIn PDF document text
  • http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d2393ca58---19116921151.pdfIn PDF document text
  • https://atlaskvartir.ua/data/uploads/files/92986940196.pdfIn PDF document text
  • http://architettoangeli.it/userfiles/files/tuwavufikamo.pdfIn PDF document text
  • http://cesurmakina.com/userfiles/file/84473600739.pdfIn PDF document text
  • http://bumsnab.ru/uploads/files/xerorod.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/d0836a49704cfab686ad6ff256109927/sufegereriliwiti.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160942ec2731bd---toketesitiwonubofafesew.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=gainward+expertool+manualPDF 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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