Malicious PDF — malware analysis report

Heuristics 6

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://ttraff.cc/wix?keyword=506+assignment+answer+in+english+pdf In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • http://www.indictrans.orgIn PDF document text
  • https://static.usrfiles.com/ugd/576447_8f4c7b34c8db40d2b003dd770e15daca.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/5ad03d_95cfc4de9f3b4649835254739d092713.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_74c3717893964734b545cf26028f6726.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b13fd1_a771efb8fdde433ab27cdc949193c443.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0439/5833/7694/files/away_in_a_manger_piano_sheet_music.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/d94ae5_64d0d53afb50400fb5f4bef1042aa233.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_01abae187c814641bd7c5b67a3d3278f.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/409ca8_1e99ccfb5a954d51a3fd13ee250491ab.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/0140/3801/files/rinum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7356/8919/files/free_b_boying_tutorials.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7381/4171/files/word_jumble_puzzle_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0448/5578/7681/files/maraturorolavijunijofo.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
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn PDF document text

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