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.me/123?keyword=hum+aapke+hain+kaun+film+bhejiye+tha In PDF document text

  • https://cdn-cms.f-static.net/uploads/4387938/normal_5f90b2699947b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365624/normal_5f89504c9668f.pdfIn PDF document text
  • https://kelobutino.weebly.com/uploads/1/3/0/9/130969458/7735552.pdfIn PDF document text
  • https://polabufasol.weebly.com/uploads/1/3/2/8/132814050/3133283.pdfIn PDF document text
  • https://luwobidope.weebly.com/uploads/1/3/0/8/130814225/1faccc.pdfIn PDF document text
  • https://jarapitoxedomel.weebly.com/uploads/1/3/1/4/131437170/navusavotuwuga_gupunukisafavu_zezugabewokeg.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365638/normal_5f882282d3b0b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f873413bc404.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365613/normal_5f8715d274329.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/40331685365.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/13085518047.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/jepuvinavasavuxore.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/psychology_disorders_list.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53968bb2-3785-4a92-a2fd-a846f1f2712a/79058258378.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d5631f92-25fe-40a1-8854-528315695f77/68111258173.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/61fc89b1-4cb1-4891-91c7-8b1827f2a931/sumusitexufopilexela.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07293bf2-0da0-4c45-8cb9-52a038091e61/94498047084.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/231669f7-2af6-4637-b61e-ebfa52bd37ac/the_power_of_birthdays_stars_numbers_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8846/9411/files/collatz_conjecture_proof.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/5976/9255/files/kurt_cobain_sunglasses_picture.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/8500/8541/files/creston_high_school_softball_roster.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6358/1090/files/lesson_9.4_practice_b_algebra_1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/9062/6710/files/28174191362.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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