Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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.com/pify?keyword=terminator+4+english+subtitles+free In PDF document text

  • http://files.jamiewrites.co.uk/uploads/1/3/1/4/131408024/sotovifudi.pdfIn PDF document text
  • http://files.menwhopaint.com/uploads/1/3/0/7/130775458/d460eb0471.pdfIn PDF document text
  • http://files.pianistic-elegance.com/uploads/1/3/1/4/131483305/43624.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/1/0429/7513/3859/files/41230522234.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8818/1400/files/10741132366.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/7926/2615/files/scratch_coding_games.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8016/3232/files/educacin_y_neoliberalismo_en_mxico_jaime_ornelas_delgado.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/4462/5813/files/figofej.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1713/4499/files/bonokedaxag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8915/8554/files/sap_basis_certification_material.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/5788/0996/files/calvary_temple_songs.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/0628/0355/files/small_group_guided_tours_japan.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0444/3560/3623/files/kirksville_mo_restaurant_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/3849/9235/files/tawobapuvo.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://sinhala.sourceforge.net/In PDF document text
  • http://sinhala.cvs.sourceforge.net/viewvc/*checkout*/sinhala/sinhala/fonts/CREDITSIn PDF document text
  • http://www.gnu.org/licenses/gpl-2.0.htmlIn PDF document text

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