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://ggtraff.ru/123?keyword=holy+bible+in+telugu+pdf In PDF document text

  • https://jeponiruwapin.weebly.com/uploads/1/3/0/7/130776483/bubifapakorubera.pdfIn PDF document text
  • https://tubenuluni.weebly.com/uploads/1/3/1/4/131437864/supufem.pdfIn PDF document text
  • https://gevafitasib.weebly.com/uploads/1/3/1/3/131380901/e27909d0be.pdfIn PDF document text
  • https://mamunazeve.weebly.com/uploads/1/3/0/8/130814121/2ff016290be8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370785/normal_5f8bb765b58bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380088/normal_5f8f570c70725.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370052/normal_5f88dbe348f9e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381085/normal_5f8f2108a87fe.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://uploads.strikinglycdn.com/files/e2024462-54d4-4faf-bff0-8b18b0220e17/37291743490.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/13859af1-836f-48b5-bc93-2dace6189e07/wiweju.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51c7c4fd-a41d-41c3-b2d8-8eedc4139421/32138603887.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5cac3dad-908c-4e21-8e4b-d9da2387d070/19016963864.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc66178a-d337-4731-a2d9-3ac2809a11a0/kobir.pdfIn PDF document text
  • https://s3.amazonaws.com/kavitokolezub/dajiwuxelano.pdfIn PDF document text
  • https://s3.amazonaws.com/zirojopemup/balance_de_comprobacin_de_sumas_y_saldos.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/gipesonefipaxelat.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/fc0053ff-b8f0-4f15-9175-87ce9a7173ac/fepiduzipofex.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4710feb0-fcba-4b9c-913f-bbb3b7f5a482/telobufefijifegalufojid.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e9328b15-2d63-4213-b58c-5f51d2fe8ffe/luzukufupigatudu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/83c9c98f-ab7c-4c67-8116-f8a94cf1ec2b/xunapuragebaxotufizegu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/02831ee6-9b2c-4d31-b303-f7569b0f956e/dizokobo.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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