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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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.cc/pify?keyword=ca+inter+books+free+download+pdf In PDF document text

  • http://files.theaccelerationproject.org/uploads/1/3/0/7/130740175/zewusutolo.pdfIn PDF document text
  • http://files.unccmsa.org/uploads/1/3/2/7/132712514/6531109.pdfIn PDF document text
  • http://joriwijam.vesselhouse.co/uploads/1/3/2/6/132681352/2975518.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/1/0438/8644/4696/files/castrol_power_1_20w50.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/2956/0481/files/aeonaxx_spawn_points.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/1690/4104/files/29199368886.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/8413/6086/files/2211448444.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/5100/8671/files/81098720815.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7002/9975/files/44577067953.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/8697/1033/files/malayalam_bible_full_free_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8180/1629/files/bivepumov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/0687/7080/files/8833338052.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/9702/2879/files/94678798987.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/0688/6051/files/24478710771.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/5135/1200/files/kokip.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4286/4289/files/99882063177.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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