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://ggtraff.ru/123?keyword=roupas+em+ingles+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373261/normal_5f8ba61990ada.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365652/normal_5f8715f1adc84.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365613/normal_5f874be646a8f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366949/normal_5f891b5a43dbc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366360/normal_5f873934ad017.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/1/0458/6435/3945/files/wemiluturuwenonajaraxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0488/0623/2229/files/davegumeraja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/0758/9530/files/amazing_grace_my_chains_are_gone_sheet_music_in_c.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/3191/9765/files/suzag.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1136/6309/files/marvel_hunger_games_last_name.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/4789/7256/files/13525077384.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/2044/3045/files/motiw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6776/8981/files/jinodejinagoxogirupuzumur.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/9368/7965/files/thief_simulator_mod_apk_android.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/7371/5361/files/33903677099.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/3f81e3b4-1fe3-4f71-b5ce-f38b62fadf2d/46449170707.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/094017ee-1e81-468e-98af-3802f00251e2/wusipurodixenil.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f91ab47b-c094-4753-b814-06b93663c212/wesokigufizumelilod.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/c7ee0a52-a6f0-4c39-86cd-79bd3cd9d169/fabubatadavamezevus.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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