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.
• Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE
  Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
• 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.
• 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://crophysi.ru/123?utm_term=75th+anniversary+colours In PDF document text

  • http://potolkilife.ru/zesitubzkf4.pdfIn PDF document text
  • https://cdn.sqhk.co/nonagidux/9Ckjdif/unbroken_soul_mod.pdfIn PDF document text
  • http://cadenalia.com/128532336231pfwx.pdfIn PDF document text
  • http://italiahot.fun/noparananifupej12op.pdfIn PDF document text
  • http://joy-todays.online/toefl_reading_flash_2001_free_downloadot713.pdfIn PDF document text
  • http://lnstagram-helping-centre.com/98143451776qzihu.pdfIn PDF document text
  • https://nujokolove.weebly.com/uploads/1/3/0/8/130874035/kubuwesatamunewu.pdfIn PDF document text
  • http://helpforteam.com/mezifepigavatajejojewewovtxrv.pdfIn PDF document text
  • https://jomigotub.weebly.com/uploads/1/3/4/7/134748998/5360301.pdfIn PDF document text
  • http://auto-fishing-rods1.club/xirinosuwubirebotusikogovwfek5.pdfIn PDF document text
  • https://cdn.sqhk.co/safubuguva/lEhewie/idle_infection_mod_apk.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/firigugixujotov/suvovafenavo.pdfIn PDF document text
  • https://s3.amazonaws.com/rimejiguvif/baixar_facebook_apk_windows_phone.pdfIn PDF document text
  • https://s3.amazonaws.com/zosevid/cbse_guide_for_class_10_history.pdfIn PDF document text
  • https://s3.amazonaws.com/betefowubevat/tibuzujogezu.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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