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://ttraff.link/wix?keyword=download+badoo+apk+versi+terbaru In PDF document text

  • http://lamitapuk.interimarketing.com/uploads/1/3/0/8/130813084/dilotipot_vubod.pdfIn PDF document text
  • http://files.triadchialpha.org/uploads/1/3/1/4/131453574/fetenuvimexe.pdfIn PDF document text
  • http://riroro.finneyart.org/uploads/1/3/1/8/131856439/musukaborize-fewewupi-vesumigirin.pdfIn PDF document text
  • http://files.onthecamino.net/uploads/1/3/0/8/130815213/5669839.pdfIn PDF document text
  • http://lokabol.prophysiohealth.co.uk/uploads/1/3/1/4/131452976/tabowumejidutazutili.pdfIn PDF document text
  • http://dowuse.tigercrane.co.uk/uploads/1/3/1/3/131383652/b9588a80a2fe.pdfIn PDF document text
  • http://vimewim.mantasosguide.com/uploads/1/3/2/7/132712615/doselawebe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://e64f2b70-b63e-40c1-a56c-22ee331b90f6.filesusr.com/ugd/61804c_e752cc6806394fdb95eb5398778595ac.pdf?index=trueIn PDF document text
  • https://a7d95065-c350-4a67-adf3-2e06af72c5cf.filesusr.com/ugd/717a42_393f04aa901c47d28c7740de044beba7.pdf?index=trueIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/6092/7393/files/kideki.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/5115/5618/files/30537388241.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0464/6794/0504/files/the_dc_comics_guide_to_digitally_dra.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5795/4467/files/rabibudesa.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
  • https://savannah.gnu.org/projects/freefont/In PDF document text
  • http://www.gnu.org/licenses/In PDF document text
  • http://www.gnu.org/copyleft/gpl.htmlIn 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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