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://ggtraff.ru/123?keyword=screen+rotation+apk+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366964/normal_5f873681c5ce7.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372378/normal_5f8b0b1bbc96d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367959/normal_5f89aee75249f.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/1/0440/1099/5862/files/40205297507.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0463/3873/6290/files/watch_kung_pow_enter_the_fist_full_movie_free_online.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7619/0361/files/64671779231.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0494/4835/3959/files/71581974880.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0492/5616/9628/files/86147472250.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/9535/7595/files/50339931905.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/2451/7800/files/10621830095.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3375/4773/files/the_office_season_2_bloopers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/3102/0198/files/todixofosodokosirik.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/cd6d55c4-6085-4f76-b767-400716a22c2c/48146591985.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/dbe6b37a-1e64-46e5-b9d3-7418a64ad64b/zosovixevikakejapojo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2c5a3e8f-e596-4c8f-8de9-e7c8ab87e7e4/37394686593.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/1035/7913/files/mobovikutudokola.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/8937/2329/files/cooking_gauntlets_osrs_burn_table.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d0f3eb00-4281-449f-82af-a043ebd1f31f/jewirudojofirisaj.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e5b2cf14-103f-471e-8c61-7d4d2c915160/45398497864.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/7f100a2f-31f7-4a0f-a7ab-6f5c07406b16/jifefumurijevo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b095e988-cb7d-4d51-a3a5-7f6e2655b296/92514209356.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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