Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://traffking.ru/123?utm_term=opera+mini+vpn+apk+free+download In PDF document text

  • https://jasebezaf.weebly.com/uploads/1/3/4/6/134630561/kovupixefa.pdfIn PDF document text
  • https://s3.amazonaws.com/jumedemimo/77952524220.pdfIn PDF document text
  • https://kinanufojakosek.weebly.com/uploads/1/3/4/3/134350472/93851.pdfIn PDF document text
  • https://s3.amazonaws.com/fenatagazise/army_asvab_study_guide.pdfIn PDF document text
  • https://kalokiran.weebly.com/uploads/1/3/4/6/134632324/9480189.pdfIn PDF document text
  • https://s3.amazonaws.com/wutisigila/81729705186.pdfIn PDF document text
  • https://kijadixuzot.weebly.com/uploads/1/3/4/5/134585523/df90c325cc9.pdfIn PDF document text
  • https://s3.amazonaws.com/vigevot/wemedefudoxunuwe.pdfIn PDF document text
  • https://jasevumoxemu.weebly.com/uploads/1/3/4/7/134707335/xufuvadu.pdfIn PDF document text
  • https://s3.amazonaws.com/biwuwukesazef/gizevisi.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a985ccc-16be-4d35-a596-fe12505b118a/wudipuvuzavaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9957848-0c86-4c5f-94cc-e6f4b8302e97/heteronomous_morality_and_autonomous_morality.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3db825a5-4d33-4c95-9f20-9eb9fc5b0bb0/54510208148.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d194a736-be0c-4f06-99c4-22f69ed5d517/homophone_worksheets_for_middle_scho.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/56c24558-7359-47d4-8a09-b37250d919c5/tijojazobelurewuroxugam.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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