Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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.com/wix?keyword=whatsapp+plus+latest+version+update In PDF document text

  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://static.usrfiles.com/ugd/3801ff_21ac4403ebbf454db95ec369e72988e0.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/74c34a_97bd48aaab18474e984801a8d194e456.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/ab63e3_18221a145d8a4bf9ae3b85fbb38d1c46.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/37428b_f49b8a7ca5bf462b8030b00301a7c3a1.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/e0d0cf_647877edf41547149b40aa6c27ae458f.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/6770/3457/files/vapasogurixibanot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/3450/7426/files/dazumoner.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/1274/3580/files/archeage_hiram_guide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8787/9580/files/28232337233.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0428/7699/3695/files/demon_hunter_havoc_guide_8._0.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/d5415a_60abd56ef76a4c22b8ba9d7a5e0a7635.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/f65518_6e2690e8581e4261b79f2f8670d0795c.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/cafc24_14a057ca99364638b521707c09b869e8.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/52b593_cccf8b58b4ed4364824a8613bba43cbd.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/0c41e7_633fc268aa784b56a6cd951e178f2898.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/c8df25_4e7e8732a19343d0a39ed4d4cbec5245.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/b8c837_c91a8d6cd1764ee89fb98ba89efd4be0.pdfIn PDF document text
  • https://static.usrfiles.com/ugd/ed8107_cdd926cc465f43a2aa5cf8991eae1209.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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