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
• 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.
• 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/strik?utm_term=how+to+reset+samsung+fridge+freezer+rsa1wtmh In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365634/normal_6009eab8963e0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4448323/normal_5fd176e0a9145.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4388428/normal_5ffac4f748bd2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485004/normal_604b65303deef.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4495526/normal_6026e8ffb034c.pdfIn PDF document text
  • https://ragojozuzaz.weebly.com/uploads/1/3/4/6/134668900/tagazusaler-vimexetolikarid.pdfIn PDF document text
  • https://jaduxopedarev.weebly.com/uploads/1/3/4/7/134749363/9185642.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4468267/normal_603c112f2988f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4414867/normal_600a90b28de0d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417321/normal_603fe2dfdcba6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404515/normal_5fec8488267b9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4365582/normal_5fdef6fe6c8f7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387224/normal_601b72b205e38.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4463792/normal_5fe802e52c3d5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403117/normal_601bc1a26a623.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421630/normal_601b14655843d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4451752/normal_5fc8715fb06b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408588/normal_602019ea5ec1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419633/normal_5feaeb9328da2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366375/normal_6051c305258e8.pdfIn PDF document text
  • https://mepowubufavi.weebly.com/uploads/1/3/4/8/134858245/8650352.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417834/normal_601d5c6a82aff.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4487432/normal_5ff51a5524768.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383800/normal_5fe76874f305a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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