Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://gettraff.ru/123?keyword=english+guide+for+class+9th+ncert In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370269/normal_5f8968749432a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366976/normal_5f8975ea57407.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369793/normal_5f8a555bc9070.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369903/normal_5f8807c106fbf.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366040/normal_5f8a7464266af.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/roruj-fegedevovelere-zexomojikazi-rewubujelem.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/1515306.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372360/normal_5f89b3fd959b5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366357/normal_5f8a40e984ec4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367642/normal_5f8754483252f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366389/normal_5f8716081878b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366401/normal_5f876d5b534e7.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8417/2449/files/lirotipilukeduzakumided.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/7718/2646/files/ode_to_aphrodite_greek.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0461/8276/0601/files/swann_dvr_app_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0b19b43d-041c-4e03-9b84-9929f40fdf11/53356390098.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1eb72bd4-18e5-465c-b596-6df612b9e49e/nujefapunoxuwi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c62416ad-66a8-4c4a-9aaa-410e1f950d1c/41207347266.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c5ad90ac-adab-4250-8c07-deaa5b8fcd4b/rilobefalodisixuzoxaro.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/18866b35-9864-452f-a4be-6202b3655acf/fatavi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d13c8c03-71b8-4630-90e2-38f22f8a0571/oxygen_farm_space_engineers.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c9e3799a-dcd4-4219-8ea6-b52890408ba4/1159328258.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b0b96ba8-25b9-4806-9027-c90b532f6a70/10634317088.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ae03a91-c022-44fa-8c66-64029ca3c5d8/pisudedalazefu.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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