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://yafferge.ru/123?utm_term=how+much+can+you+lose+on+advocare+24+day+challenge In PDF document text

  • https://cdn.sqhk.co/goronikel/Ha82Shi/42773061133.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4461211/normal_5fe2025b43600.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4379605/normal_5fe2b4993b0e6.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4404723/normal_60096dc641b51.pdfIn PDF document text
  • https://cdn.sqhk.co/kapapomabu/giTighd/11737952585.pdfIn PDF document text
  • https://cdn.sqhk.co/keropolor/jMhgjfa/34279759970.pdfIn PDF document text
  • https://cdn.sqhk.co/zotofoza/jamjbLX/hokey_pokey_meaning_in_tamil.pdfIn PDF document text
  • https://cdn.sqhk.co/letopoto/QhefKdq/vegas_slots_heart_of_vegas_free_coins.pdfIn PDF document text
  • https://riwipawubo.weebly.com/uploads/1/3/1/4/131453561/nilifoxuririjulozuf.pdfIn PDF document text
  • http://topfrag.rip/the_fifth_wave_free_downloadzwn2u.pdfIn PDF document text
  • https://cdn.sqhk.co/tozegatopaxu/3uqifgf/checklist_manifesto_chapter_summary.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4415756/normal_5fcfa647459a5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4489615/normal_602e726b5c066.pdfIn PDF document text
  • https://cdn.sqhk.co/bulixanejad/UhfyY3W/sky_force_3_4_sneaker_red_and_blue.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412900/normal_601fb5c783b29.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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