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.cc/pify?keyword=chrome+web+store+apps+free In PDF document text

  • http://xemarenir.acaciatreecare.co.uk/uploads/1/3/1/4/131411150/fbb0bbfbf888d.pdfIn PDF document text
  • http://files.soxoflove.org/uploads/1/3/0/7/130776781/92cb67265514.pdfIn PDF document text
  • http://files.hillvalleyfarmdairygoats.com/uploads/1/3/1/4/131437941/7d945f7be7.pdfIn PDF document text
  • http://files.pureandsimplewellness.org/uploads/1/3/1/0/131071166/liwobimamidof.pdfIn PDF document text
  • http://files.passexpressmedia.com/uploads/1/3/1/3/131383456/3224379.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/1/0428/6654/0711/files/lobuko.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/3035/5866/files/fojopugekexabixojij.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0449/4170/5384/files/guia_roji_carreteras_de_mexico_2020.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6397/5835/files/hp_elitebook_8470p_drivers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/7695/1965/files/81519398139.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0427/7728/0671/files/robotic_process_automation_seminar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/0859/7927/files/86781840398.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/0545/1174/files/12460679771.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/7328/9888/files/biluzepebozetoteb.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3038/0698/files/47745751672.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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