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.
• 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://cctraff.ru/123?keyword=jefferson+parish+tax+assessor+homestead+exemption In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366014/normal_5f872777a8abf.pdfIn PDF document text
  • https://zosupexaduj.weebly.com/uploads/1/3/0/7/130738593/7319164.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369487/normal_5f91d9c30c0c2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366980/normal_5f872e4080cdc.pdfIn PDF document text
  • https://mipirizu.weebly.com/uploads/1/3/2/6/132682564/8c42e885bf419f7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007f0c.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007f0c.bin)
  • https://s3.amazonaws.com/fasanag/zoxirilu.pdfIn PDF document text
  • https://s3.amazonaws.com/fatisake/xuruxare.pdfIn PDF document text
  • https://s3.amazonaws.com/titugome/anthology_of_african_short_stories.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/6444/9431/files/the_magus_class.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/1684/5469/files/bibubuxuzur.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3210/7937/files/kuzipigaratuza.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/8974/1974/files/99288194865.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3766/2615/files/ohenry_gift_of_the_magi.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/ancient_greek_literature_and_society.pdfIn PDF document text
  • https://s3.amazonaws.com/kevava/instant_clinical_pharmacology.pdfIn PDF document text
  • https://s3.amazonaws.com/lixasifasi/counterfeit_products_in_malaysia.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/3457/3501/files/vice_city_stories_android.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/89494630985.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 extracted file (font_00_sfnt_off00007f0c.bin)

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