Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) or Microsoft license-boilerplate documents that carry no urgency or charge/dispute escalation.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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=watch+dog+dads In PDF document text

  • https://static.s123-cdn-static.com/uploads/4376629/normal_5fcf85dfb7ed9.pdfIn PDF document text
  • https://lusimijibujadex.weebly.com/uploads/1/3/4/6/134677052/bavosare.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4417543/normal_5fe8ac3e6f8b1.pdfIn PDF document text
  • https://vujewixijul.weebly.com/uploads/1/3/1/4/131437312/1283160.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4383807/normal_5fe39e4d35273.pdfIn PDF document text
  • http://jerijoba.iblogger.org/self_report_altruism_scale.pdfIn PDF document text
  • http://gomededow.22web.org/ethiopian_orthodox_bible_in_english_81.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_d74d9a94b6a74341899e7ebef3d0e7c7.pdf?index=trueIn PDF document text
  • http://lonukidoni.epizy.com/mobile_movies_free_mp4_mania.pdfIn PDF document text
  • https://3d9856c9-ddaf-40ef-ab37-14107f3d3ee7.filesusr.com/ugd/938106_258dc91bbe214b36b369cd9787d07b57.pdf?index=trueIn PDF document text
  • http://watotiwima.rf.gd/37722219157.pdfIn PDF document text
  • https://a32e93c2-1aa3-4149-af29-aa5d163ab988.filesusr.com/ugd/40336e_f4ec65e15ee54567ac8bdf2e0f136473.pdf?index=trueIn PDF document text
  • http://balazetesu.epizy.com/45082324134.pdfIn PDF document text
  • http://dowomux.rf.gd/gofetawibejusaxo.pdfIn PDF document text
  • https://3d7c42e8-cad9-4196-8f3c-0f210fd97588.filesusr.com/ugd/1b7c00_4cd2e98e94554bb4b6dda7c58c799dcf.pdf?index=trueIn PDF document text
  • http://lerofisa.epizy.com/django_template_build_url.pdfIn PDF document text
  • http://dekuroveki.rf.gd/chasing_the_sun_sara_bareilles_sheet_music.pdfIn PDF document text
  • https://ec2d952e-5494-46d8-b841-fee222248b17.filesusr.com/ugd/9713d5_f547c0db5bf14ddca8850e2c4ae84010.pdf?index=trueIn PDF document text
  • http://guvenaverelud.epizy.com/free_5th_grade_math_practice_worksheets.pdfIn PDF document text
  • https://2f60c0de-bae8-48d8-8f3f-ce7907f87c52.filesusr.com/ugd/badafb_46b42b9e2ad140eabda770c0a3eeed6b.pdf?index=trueIn 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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