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://maypoin.ru/123?utm_term=parcc+practice+worksheets+pdf+algebra+1 PDF link annotation

  • https://static.s123-cdn-static.com/uploads/4369152/normal_5fc836262a4b5.pdfIn PDF document text
  • https://wanusasa.weebly.com/uploads/1/3/1/0/131070791/284929.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4387928/normal_5ffa7ad6a1854.pdfIn PDF document text
  • http://mybiol.site/benelui0951.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4424043/normal_60008973bccae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387814/normal_5fe93c0a102cb.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378843/normal_5fd6735164c92.pdfIn PDF document text
  • https://pilawero.weebly.com/uploads/1/3/4/0/134095891/7107d.pdfIn PDF document text
  • http://znakomstva18x.site/racing_limits_apk_homedf1x5.pdfIn PDF document text
  • https://bagerinev.weebly.com/uploads/1/3/1/6/131636948/c22cb1803b33.pdfIn PDF document text
  • http://select-get.top/baby_names_that_start_with_a_kqyvdk.pdfIn PDF document text
  • https://juwalonivegab.weebly.com/uploads/1/3/5/3/135309433/zototipatijarepivugo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403688/normal_6004901151354.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://bovuzigaratufob.rf.gd/early_effect_in_bjt.pdfIn PDF document text
  • http://dekifovep.epizy.com/carbatec_10_table_saw_manual.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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