Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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-heavy PDF with invisible link to suspicious domain high PDF_SUSPICIOUS_LINK_LURE
  PDF is a small image-heavy lure with invisible link annotations that send the user to a suspicious high-risk-domain URI. This matches credential-phishing carriers where the visible document is only a prompt and the real collection flow happens on the linked website.
• 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.
• 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=panasonic+microwave+the+genius+sensor+1250w+parts In PDF document text

  • http://menformula.xyz/on_dumpster_divingx0x97.pdfIn PDF document text
  • https://situzofunuk.weebly.com/uploads/1/3/5/3/135305293/muxotepike.pdfIn PDF document text
  • http://creditpm.com/35594657008a7e9w.pdfIn PDF document text
  • http://ig-supportcenter.xyz/food_chain_worksheet_answers_key_enchanted_learningfvsja.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383128/normal_602969bcd4517.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4408476/normal_5ff1c066680d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403818/normal_602e8099593d5.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4382189/normal_6005ddfaa1e5e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4465145/normal_6019c0734da27.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381291/normal_6019a89b1daeb.pdfIn PDF document text
  • https://fekebejoluxoji.weebly.com/uploads/1/3/4/3/134309121/nexodik.pdfIn PDF document text
  • http://sobakin.space/modutuzupupem4q98.pdfIn PDF document text
  • https://cdn.sqhk.co/rekosiseweno/orvGRjg/teaching_assistant_test_texas.pdfIn PDF document text
  • https://cdn.sqhk.co/daxerarugak/ifjbjcn/blade_ninja_star.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://zajegugolex.epizy.com/65320937304.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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