Malicious PDF — malware analysis report

Heuristics 7

• 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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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/123?keyword=whatsapp+status+downloader+apk+for+iphone In PDF document text

  • https://zirufifun.weebly.com/uploads/1/3/0/8/130874679/xosibifojaroruza.pdfIn PDF document text
  • https://godadonalizubo.weebly.com/uploads/1/3/1/4/131437317/f5484b52f95ccda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368756/normal_5f90e5cba3736.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379852/normal_5f8bffe70e51f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366637/normal_5f88250c4c317.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365547/normal_5f8db69854ff2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369779/normal_5f8b975ceee55.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/b50e9a46-4559-4047-938f-52a4b9e4bd34/fall_out_boy_infinity_on_high_zip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d601cfce-f1f8-430f-8de9-4c102380990a/jewomeworobifegulowanotip.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/8a9aad17-ac91-4d30-8bb5-b341f80e567b/sesulazasaxopesogudeb.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06c3b625-ba8a-44f0-8bfe-5bb6640b5a9d/webutapif.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ad0ca315-0deb-4b21-b649-587c3ea0cde7/35413934167.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5a5d3975-ae5b-454d-a904-0f90d9d0dbc3/mustang_parts_for_sale_forum.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a34ca8c9-75a9-4ef3-a981-02ed2a39cc1d/xogifenovixam.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/193913dc-e81a-455c-bf9b-b386e55948c0/geronimo_stilton_free_ebooks.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/198cde3a-ae46-4069-88da-5366e2757f3c/26471469415.pdfIn PDF document text
  • https://s3.amazonaws.com/tetazino/74506784740.pdfIn PDF document text
  • https://s3.amazonaws.com/fotojipifuzitul/entrepreneurship_education_in_the_philippines.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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