Malicious PDF — malware analysis report

Heuristics 6

• 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.
• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/aws?utm_term=how+to+play+record+player+through+amp

  • https://bulugigedi.weebly.com/uploads/1/3/4/7/134714886/7168766.pdf
  • https://vepoxiwoja.weebly.com/uploads/1/3/1/1/131164136/1b600ff4f7.pdf
  • https://kawikixefi.weebly.com/uploads/1/3/5/3/135388441/3013374.pdf
  • https://daradila.weebly.com/uploads/1/3/1/4/131438164/085820bead8058.pdf
  • https://nikizatul.weebly.com/uploads/1/3/5/3/135309179/dapapejelo.pdf
  • https://cdn.sqhk.co/baxoladipezu/d0GUge9/emergency_vet_tucson_speedway.pdf
  • https://kaxizaro.weebly.com/uploads/1/3/5/3/135349404/savisolupavi.pdf
  • https://cdn.sqhk.co/mikevoponage/hj3jVia/nfl_standings_playoffs_2021.pdf
  • https://lovaxases.weebly.com/uploads/1/3/4/6/134685664/mipebotoladedux.pdf
  • https://cdn.sqhk.co/puxolika/khePigq/word_of_faith_bishop_dale_bronner.pdf
  • https://cdn.sqhk.co/numevaju/gf9hjhf/bowling_green_christmas_market_hours.pdf
  • https://zapotaputilaka.weebly.com/uploads/1/3/2/6/132683001/b91734cff7c1664.pdf
  • https://cdn.sqhk.co/balaragu/jgNiaMm/resume_du_livre_la_liste_de_schindler.pdf
  • https://bolukuja.weebly.com/uploads/1/3/0/7/130739437/ranirapuxetepupupepi.pdf
  • https://fupefodomixeja.weebly.com/uploads/1/3/4/8/134889506/vurujubalawid.pdf
  • https://2489a575-72f7-492f-b117-28cfe4a4d2a3.filesusr.com/ugd/d81705_e4d521e8a93440c7be7e71ad0259ec60.pdf?index=true
  • https://bc732cde-fb09-4fee-8ab5-c82a45a1131b.filesusr.com/ugd/2ac701_e64aff38f66b4e25a3c1da57e0374d04.pdf?index=true

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