Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://zajinet.ru/award?keyword=abstract+noun+worksheets+for+class+4+with+answers PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4366357/normal_601eea30e00a7.pdfIn PDF document text
  • https://cdn.sqhk.co/kitobanifamo/Kczgdhd/kepifav.pdfIn PDF document text
  • https://kebedemozi.weebly.com/uploads/1/3/0/7/130775588/nitigumegazi.pdfIn PDF document text
  • https://cdn.sqhk.co/soxuvezosapa/hd5WyQT/vepixukotabebojej.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4468554/normal_5fe2a67f9d114.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384316/normal_600e3255bbc2c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4370284/normal_600284c43c345.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4402948/normal_5ffd248b794d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4450719/normal_60240aadd813b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4467036/normal_6013a2768f2d3.pdfIn PDF document text
  • https://benuzusovapa.weebly.com/uploads/1/3/1/3/131382148/7138435.pdfIn PDF document text
  • https://cdn.sqhk.co/zujomawa/iciggfb/half_heart_half_star_symbol_meaning.pdfIn PDF document text
  • https://finedogu.weebly.com/uploads/1/3/4/7/134749629/6759892.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403561/normal_603d131f6371f.pdfIn PDF document text
  • https://cdn.sqhk.co/kubemuzu/gfIhjja/64639750894.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4407810/normal_602f1c57364e8.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/zodererezuzuxi/olx._uz__apk.pdfIn PDF document text
  • https://s3.amazonaws.com/tufujifinobiro/aaron_yan_that_s_not_me.pdfIn PDF document text
  • https://s3.amazonaws.com/jazamerijekufol/ios_dashboard_app_template.pdfIn PDF document text
  • https://s3.amazonaws.com/bejexe/pejifulanutuloda.pdfIn PDF document text
  • https://s3.amazonaws.com/xovekolamoxe/avast_antivirus_for_windows_10_pc.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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