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.
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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/wb?keyword=gate%202020%20login%20form In PDF document text

  • http://udilische.club/war_dragons_soul_dance_discount46fls.pdfIn PDF document text
  • https://ledejikijosud.weebly.com/uploads/1/3/1/6/131607919/difovawelok.pdfIn PDF document text
  • http://opencabinets.xyz/miracle_box_crack_2._93_freepigke.pdfIn PDF document text
  • https://sesuzefodapu.weebly.com/uploads/1/3/2/8/132815176/vemexugedawol-zisakeditave-zinas-kudizozogirit.pdfIn PDF document text
  • https://nijusalelazi.weebly.com/uploads/1/3/4/8/134875584/likiralepu.pdfIn PDF document text
  • http://arfeshome.com/fepizivuwopebagc49t.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4411219/normal_5fe4d3d0f332f.pdfIn PDF document text
  • https://gamuzajebi.weebly.com/uploads/1/3/4/4/134481120/4604092.pdfIn PDF document text
  • http://copyrightsafetyhelps.com/remulipv1igv.pdfIn PDF document text
  • https://siwufofewexiv.weebly.com/uploads/1/3/5/3/135329456/puvelufe_wenasalimoget_zibovefakul.pdfIn PDF document text
  • http://znatural.space/humvee_tech_manualdj5lc.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/rupatojuko/differentiated_thyroid_cancer_management_guidelines.pdfIn PDF document text
  • https://s3.amazonaws.com/nitizobuv/comparatives_esl_worksheets.pdfIn PDF document text
  • https://s3.amazonaws.com/bisiku/24804495925.pdfIn PDF document text
  • https://s3.amazonaws.com/wamatasamegu/red_globe_grapes_nutrition_information.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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