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/wix?keyword=maeda+escarpment+okinawa In PDF document text

  • https://cdn-cms.f-static.net/uploads/4407331/normal_6017d046cf92f.pdfIn PDF document text
  • https://cdn.sqhk.co/ripalufix/HzZahiq/electrical_formulas_calculator_app.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450353/normal_5fed35d8b0a67.pdfIn PDF document text
  • https://cdn.sqhk.co/rurufimibiwe/gAB665p/hollow_chocolate_sphere_molds.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4443810/normal_602141d6e6f23.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4485434/normal_602eb46c0819d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4415073/normal_60332de400f78.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366625/normal_60394d227ad87.pdfIn PDF document text
  • https://cdn.sqhk.co/fagaluwozez/NiegfiS/word_bliss_all_answers.pdfIn PDF document text
  • https://kekisadubivef.weebly.com/uploads/1/3/3/9/133986731/pikubile_dosakejerajap_barupaf.pdfIn PDF document text
  • https://rugalasaludazi.weebly.com/uploads/1/3/4/6/134683923/6f58fd29.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4418984/normal_6045083adb1df.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493600/normal_6015d492ee9e1.pdfIn PDF document text
  • https://cdn.sqhk.co/taviboku/gf9ifhe/24794734144.pdfIn PDF document text
  • https://cdn.sqhk.co/tefebenum/ihRP1hc/94029355507.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4480148/normal_600f822eb53f9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409819/normal_5fd7e3caae336.pdfIn PDF document text
  • https://duketexu.weebly.com/uploads/1/3/4/7/134725944/8801877.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4403413/normal_5ff95349651cf.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4502870/normal_5fce0d14c139a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4412588/normal_604f128089f62.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/8af72bef-70df-4cb5-9bc4-f24ec1a487ab/jakinisuxuzufope.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8532f88e-c59c-427d-ad30-a71f8e2d5698/judusovo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2448451d-90a6-44b2-a81c-e1f6a88a2610/41054284322.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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