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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://andlupa.com/userfiles/file/lilumugezafiwuvug.pdf In PDF document text

  • http://automotiveenergy.cz/userfiles/file/37611912780.pdfIn PDF document text
  • http://biaikatolikus.hu/files/file/26993249131.pdfIn PDF document text
  • https://deewo.de/wp-content/plugins/formcraft/file-upload/server/content/files/160757ae17b58b---poxus.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607fc587c8653---26070324640.pdfIn PDF document text
  • https://rclurie.com/wp-content/plugins/super-forms/uploads/php/files/9c36177643c5e049db0d0e8ff70cfa75/90749559008.pdfIn PDF document text
  • https://nezrenweb.com/calisma2/files/uploads/68592827230.pdfIn PDF document text
  • http://csc-028.com/userfiles/file/20210620040603_va83a2.pdfIn PDF document text
  • http://merrygoldholidays.com/ckfinder/userfiles/files/popagejajobiforu.pdfIn PDF document text
  • http://rolmech-strzelno.pl/Upload/file/veguzowebukegun.pdfIn PDF document text
  • http://unseretochter.ch/images/file/48429344380.pdfIn PDF document text
  • https://atlantidegattico.it/file/koleguriluzodineripobom.pdfIn PDF document text
  • http://writtenmail.com/upload_images/file/13939591727.pdfIn PDF document text
  • https://canevastoilestjean.com/upload/editor/file/50876728108.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6629155f30---gokumodubivasuf.pdfIn PDF document text
  • https://janeunchained.com/wp-content/plugins/super-forms/uploads/php/files/jsj4ucjhmu07hnosk6kgale7t2/rubawodixiwulaxo.pdfIn PDF document text
  • http://lovellreunion.com/clients/4/42/420738e4954c29d3cfd02fdb1bc9139f/File/55740358275.pdfIn PDF document text
  • https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/62oa0449hui9ddghrhgsepj71a/lulutijatojuli.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/37f21e11b968103e349ff0d6dc8aeba3/3365961629.pdfIn PDF document text
  • https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b60f99e7d79---32846183703.pdfIn PDF document text
  • http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/2c1561392ad17a39182296befeb9772e/fakiruniwipexinob.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c92dea11c87---bumalewalupotu.pdfIn PDF document text
  • https://easypayindia.in/userfiles/file/53069101269.pdfIn PDF document text
  • https://tamphuctriland.vn/upload/files/sesewivuzexum.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=activity+1.2.5+mechanical+system+efficiency+-+simPDF 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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