Malicious PDF — malware analysis report

Heuristics 8

• 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
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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.ru/pify?keyword=small+pdf+reader+windows+7 In PDF document text

  • http://files.neilbottle.co.uk/uploads/1/3/0/8/130874588/vasuw.pdfIn PDF document text
  • http://zagiwoge.targetmarketingmedia.com/uploads/1/3/0/7/130740069/9245913.pdfIn PDF document text
  • http://pedoziwu.johnsonfamilypastures.com/uploads/1/3/0/8/130814328/powilofidefefi.pdfIn PDF document text
  • http://files.neighborsofsuntree.org/uploads/1/3/0/7/130740252/bopoxovavugibekujapu.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/1/0435/9503/8877/files/eclipse_rcp_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5624/1557/files/wonenesetumosuniv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/0246/1351/files/the_talented_mr_ripley_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8476/6620/files/26617525446.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/3552/5282/files/6025297876.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/3488/5796/files/bekuniwamovo.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/5586/4213/files/44575589921.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/3785448733.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0436/6709/5705/files/rational_combi_oven_manual.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2277/6480/files/55262704339.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/8323/3448/files/wikizorozigi.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2919/8998/files/bubble_sort_algorithm.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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