Malicious PDF — malware analysis report

Heuristics 5

• 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://gettraff.ru/pify?keyword=chinese+water+dragon+lizards+care In PDF document text

  • http://files.highspeedhealth.com/uploads/1/3/1/3/131378952/zeboxidukupig.pdfIn PDF document text
  • http://files.neilbottle.co.uk/uploads/1/3/1/3/131383841/sefil.pdfIn PDF document text
  • http://tigiliref.cabrerahomeremodeling.com/uploads/1/3/1/3/131383386/6469001.pdfIn PDF document text
  • https://site-1043495.mozfiles.com/files/1043495/50446514520.pdfIn PDF document text
  • https://site-1038963.mozfiles.com/files/1038963/bejovilaruvin.pdfIn PDF document text
  • https://site-1036655.mozfiles.com/files/1036655/88220647338.pdfIn PDF document text
  • https://site-1036719.mozfiles.com/files/1036719/37392572543.pdfIn PDF document text
  • https://site-1040050.mozfiles.com/files/1040050/80050105600.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6809/9222/files/84607804465.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/6911/1448/files/42503475031.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8866/1666/files/92271028407.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/9170/9092/files/attention_getter_examples_for_research_paper.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7515/7670/files/funky_guitar_chords.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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