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 links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• 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
• 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://traffmen.ru/123?utm_term=guide+to+network+defense+and+countermeasures In PDF document text

  • https://vegilirebaj.weebly.com/uploads/1/3/1/0/131070576/wozafosiza_pefalix_molevutofasenir.pdfIn PDF document text
  • https://sajosapisede.weebly.com/uploads/1/3/4/3/134344890/3351857.pdfIn PDF document text
  • https://lamalirigade.weebly.com/uploads/1/3/4/5/134595912/2529574.pdfIn PDF document text
  • https://moxitasa.weebly.com/uploads/1/3/1/4/131454719/vevenen-xasunedovati.pdfIn PDF document text
  • https://vuguzakinizole.weebly.com/uploads/1/3/4/4/134493236/6435777.pdfIn PDF document text
  • https://lodirunesu.weebly.com/uploads/1/3/0/8/130874391/1532254.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/votawawo/33522580286.pdfIn PDF document text
  • https://s3.amazonaws.com/zuxadol/parts_of_animal_cell_worksheet.pdfIn PDF document text
  • https://s3.amazonaws.com/tofizo/autismo_infantil_caracteristicas.pdfIn PDF document text
  • https://s3.amazonaws.com/vobuturinivi/berserk_official_guidebook.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc4c88fd-200c-455b-b0df-996caf2ee532/masonry_heater_plans.pdfIn PDF document text
  • https://s3.amazonaws.com/lovomijelun/usatestprep_answers_economics.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8575f56b-85e3-475d-8913-ed7f78870047/zupufosovifefarunu.pdfIn PDF document text
  • https://s3.amazonaws.com/vopadofugon/drift_hunter_hacked_unblocked.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0e4c11ad-7af3-4a4b-86c3-57e23b98875b/wuzisuzefororepu.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://scripts.sil.org/OFLIn PDF document text

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