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://ttraff.club/wix?keyword=f%2526+b+service+book+pdf In PDF document text

  • http://xeradon.countrycounselor.org/uploads/1/3/2/7/132712358/19edebaaf5.pdfIn PDF document text
  • http://woketapud.mummydoctorlife.com/uploads/1/3/1/3/131398252/dopobonela.pdfIn PDF document text
  • http://jipawi.hosseinradmard.com/uploads/1/3/1/1/131164557/6237549.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/25c42e_e30765714268456fb4b59f00969c63e8.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/c83fdb_45671da97fdf4e1fa83c26e0a6576168.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/c3548c_bba4fbc2b04b4cfb83af4c3e59922cad.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b88e3d_11b22d4a88fe47e1b429b68b02444400.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/72216b_941af1927d584de4aad49503f17befd9.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/bd7df1_326c3d9378164c2088b6e0a7e811ae82.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/d99ef3_2ccab23b6c51464db47f1650bbacfd88.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/a891c0_c08a4a4b1ce7455eabb326b5825b10e8.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/37428b_0a8ae18aff4b492b90c85a127c4e0759.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
  • http://scripts.sil.org/OFLIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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