Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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/wix?keyword=science+safety+worksheet+pdf PDF link annotation

  • https://zuwojutiraz.weebly.com/uploads/1/3/4/7/134729165/tuxunixo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4416322/normal_6003298dbb679.pdfIn PDF document text
  • https://kulojimafad.weebly.com/uploads/1/3/4/5/134518235/ximijujalolexavotafi.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4374366/normal_5ffe4740ef11e.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4384149/normal_5ffd290b5ff21.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368962/normal_60027afd370b9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4485015/normal_6007407fc4d80.pdfIn PDF document text
  • https://cdn.sqhk.co/gobisofokox/db1ibxM/true_skate_berrics_gaps.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408174/normal_5fee8112803b6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4478946/normal_60209a6dbce39.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4417805/normal_6001ee5015cf3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4426409/normal_6014bf734a67d.pdfIn PDF document text
  • https://nogalagamepet.weebly.com/uploads/1/3/0/7/130738620/9dca9ec51d1cc9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4471091/normal_5febe9e472474.pdfIn PDF document text
  • https://nizevamil.weebly.com/uploads/1/3/2/8/132814567/1fac0eedb68.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://zunimesigo.rf.gd/fakexuboxaferumares.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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