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://gettraff.ru/strik?keyword=james+baldwin+sonny%2527s+blues+summary In PDF document text

  • https://cdn-cms.f-static.net/uploads/4381094/normal_5f90934949729.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4413007/normal_5f9a5962b0f1b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371812/normal_5f8903ed00484.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365659/normal_5f87d6828a8cc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403263/normal_5f93ceb6288a7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4391624/normal_5f92a851e525a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4384160/normal_5f92660a4574b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4409806/normal_5f92f9d1c2389.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/205bdd2a-9a63-4442-8671-a49479999e77/vonorolutolisunun.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0505/6043/4334/files/14354145413.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/cambridge_english_dictionary_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/7782/3385/files/does_best_buy_drug_test_for_weed.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/72fb0dfd-18fe-47fa-bc1e-0830eab05f42/sword_art_online_fatal_bullet_true_e.pdfIn PDF document text
  • https://s3.amazonaws.com/kimoweworape/36661537419.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/4837/8280/files/tibowajowelax.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4dedeb89-1990-4b5d-b797-82e5fc4ea076/el_infierno_de_dante.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0477/8773/7255/files/ladulatofonikum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/1922/9125/files/saponify_soap_calculator_apk.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0479/1753/1302/files/mediafre_download_games_gta_5_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/3711/6584/files/79310491928.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/0298/9208/files/fallout_4_cleaning_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/4423/6183/files/mwg_solutions_manual_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4335f4f3-a7b2-407c-b2ce-e88849668140/roponid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/533a038a-becc-45e3-95a8-585f13fa0fd0/jaxonajumovezemigexemakin.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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