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.
• 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://gettraff.ru/aws?keyword=grindr+xtra+full+mod+apk+2018 In PDF document text

  • https://cdn-cms.f-static.net/uploads/4370309/normal_5f8f13259e9a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369496/normal_5f8851f87ae8c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368251/normal_5f8d257dede9b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f8820f2b311a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378830/normal_5f94378b25802.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369190/normal_5f997cf35a99f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4377391/normal_5f89d2f9a1cd7.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/1/0508/0360/5672/files/name_something_you_would_hate_to_be_allergic_to.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0266/9117/4591/files/men_in_black_3_torrents.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/5787/0529/files/fuvokukoxa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/8463/6320/files/patajoruli.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/1266/8570/files/wallys_natural_ear_candles_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/6301/7109/files/68959431348.pdfIn PDF document text
  • https://s3.amazonaws.com/xuzed/derivado_del_petroleo_para_hacer_telas.pdfIn PDF document text
  • https://s3.amazonaws.com/sepawi/27794103540.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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