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://ttraff.club/wix?keyword=soccer+star+2017+apk+download In PDF document text

  • http://files.wooferseu.com/uploads/1/3/2/7/132740987/b3ac4ec29dea.pdfIn PDF document text
  • http://rofudel.tomhelp.us/uploads/1/3/1/0/131070442/0e9d34bb3.pdfIn PDF document text
  • http://files.unwhomecoming.com/uploads/1/3/2/6/132681579/df8d128f88.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://979f3529-5265-424f-bbac-4a0aee3ea016.filesusr.com/ugd/de3d83_77b82cb4a648420180e03a3e4cd4ee71.pdf?index=trueIn PDF document text
  • https://fce6a391-f201-4add-961e-2519cdd42bb3.filesusr.com/ugd/24d943_a7d92021f8c74e448986134a33959fde.pdf?index=trueIn PDF document text
  • https://b07868ee-7128-4a8b-88cb-a4f0703e763f.filesusr.com/ugd/6f9b04_72ac98797b524ec28d336c1338866d6c.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/6451/5994/files/sefcor_catalog.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/9835/8432/files/59022585862.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/9564/5589/files/14602823613.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/5663/4787/files/spiderman_games_for_laptop.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6819/4978/files/samuloni.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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