Malicious PDF — malware analysis report

Heuristics 5

• 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.
• 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/wb?keyword=maths%20borrowing%20subtraction%20worksheet In PDF document text

  • https://cdn-cms.f-static.net/uploads/4382973/normal_5fd611a54e2f2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4446394/normal_600e4f965d787.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419437/normal_601dcce195086.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411250/normal_600777e48e204.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4491933/normal_60086eaf38a92.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4373755/normal_5fdf95b493d5e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4375891/normal_5fcc3c619fbce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4482860/normal_6011e924d7355.pdfIn PDF document text
  • https://cdn.sqhk.co/livukigelo/igigifw/ball_shot_brick_shooting_balls_challenges.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/samopakamefap/beginners_guide_to_running_10km.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/47664329283.pdfIn PDF document text
  • https://s3.amazonaws.com/juzewojavomofew/free_avery_template_8366.pdfIn PDF document text
  • https://s3.amazonaws.com/tuxenipup/gardena_police_report.pdfIn PDF document text
  • https://s3.amazonaws.com/kezemiradigu/may_calendar_template_2019_word.pdfIn PDF document text
  • https://s3.amazonaws.com/zubata/pevexipezosuduretov.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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