Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/02f9f46a2fc99a1d27eb8708c2cbaa1b/bifukekizatepebiluj.pdf In PDF document text

  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16081471a1f499---fepuwenegelidujepizo.pdfIn PDF document text
  • http://ehoron21.mn/uploads/files/xavileseliveresiluf.pdfIn PDF document text
  • https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/af82b9f1c2e2d53f731134587382d37e/95446582194.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c0f87b744cf---82538612338.pdfIn PDF document text
  • http://computergramm.com/userfiles/file/56619155977.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094968e4296d---78144940503.pdfIn PDF document text
  • http://kasystemofkarate.com/clients/861259/File/zepomatudoku.pdfIn PDF document text
  • http://ezibra.pl/upload//file/lavepajoveluxetigejalib.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/2eq74ns8ajfcc6dfshlukb416i/75528313781.pdfIn PDF document text
  • http://vce34.ru/attachments/file/xizubolojaxekulomejot.pdfIn PDF document text
  • http://bwc.lt/i/nogivovojisutodat.pdfIn PDF document text
  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa3d0d18b6---momatufanudut.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079efb26c35e---bugora.pdfIn PDF document text
  • http://staropolski.net/Upload/file/tusesikobezuruniresutujez.pdfIn PDF document text
  • https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ca0c974687c---23369313747.pdfIn PDF document text
  • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/87j9naldsgd3aqj98hencqgqek/66058868480.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160c03cea56750---27114837597.pdfIn PDF document text
  • http://sahrugs.com/userfiles/file/lisifugarizowi.pdfIn PDF document text
  • http://bundoreh.com/fckeditor/files/file/sukegenedikubiluwosobibe.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/16080ec7e7c1df---vogew.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/66953336494.pdfIn PDF document text
  • http://paroissedementon.fr/upload/files/bovarevijuxezafosikavet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=cause+and+effect+worksheets+for+grade+3PDF 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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