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://cctraff.ru/strik?keyword=tic+tac+toe+glow+mod+apk In PDF document text

  • http://files.mysuidora.com/uploads/1/3/0/7/130738972/55efe.pdfIn PDF document text
  • http://keges.marriagecounselingindenver.com/uploads/1/3/2/7/132712354/2be06173747a4f3.pdfIn PDF document text
  • http://files.warriorplayers.com/uploads/1/3/0/7/130738596/5038748.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.opentle.orgIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/3215bb8f-2d9d-4679-9b48-4e3371ee0932/18885177027.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d81faec2-1d05-4216-97a5-eae549c98a71/jotatir.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/9c3d9f05-7558-4960-a058-1fe9c403eaf6/5870091628.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/0129/4243/files/comm_109d_ucsd.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6345/1554/files/screenshare_google_hangouts.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0483/1592/4630/files/phase_diagram_worksheet_compound_x.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9000/1572/files/losewopozuxedevep.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/8553/6159/files/zuwunixuf.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
  • http://www.gnu.org/licenses/gpl.htmlIn PDF document text
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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