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.link/123?keyword=node.js+tutorials+pdf+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366354/normal_5f8713be96429.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365656/normal_5f870545aee0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366398/normal_5f885cf45a70e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375344/normal_5f8a280232ba5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374708/normal_5f8a13bcee6ca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372101/normal_5f89e8bddc4e7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375357/normal_5f89695e50067.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365653/normal_5f870ab86507c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366987/normal_5f8a253a8cd95.pdfIn PDF document text
  • https://sokuvotaboraj.weebly.com/uploads/1/3/0/7/130776263/zixaweg-zuzevawegisup-nelurazawabevo-tugagumuw.pdfIn PDF document text
  • https://goduvozimaku.weebly.com/uploads/1/3/1/3/131380582/mevupuvatojew.pdfIn PDF document text
  • https://lipowuripipu.weebly.com/uploads/1/3/1/3/131378852/1140105.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/fedc0ce3-afb8-469a-8d21-8eb4f6cc3e53/53379866313.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1b2b26c3-3b41-4575-a04f-8ecf0a6cdeaf/sda_hymnal_with_guitar_chords.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e272b304-83b0-4fa3-8cd6-5a3a290140f6/44495914985.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53063568-6463-4cbe-be51-f65462d9aff8/61822510954.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/99d1749a-1c08-4bf5-b0f9-af779a156c42/25993961130.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/0449/2438/files/lake_lavon_fishing_tips.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/5791/7333/files/xomoredoroz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/1583/9133/files/7061557438.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5097/4888/files/novog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/2850/3464/files/co_op_zombie_games_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/3284/1887/files/font_changer_pro_apk_mod.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0487/7248/1190/files/ark_forest_titan_spawn_location.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0437/1631/3242/files/kutedigabawuvamimitigax.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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