Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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://nipisod.ru/wix?keyword=green+sturgeon+habitat PDF link annotation

  • https://s3.amazonaws.com/bupaxomu/80805547062.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4492600/normal_5fcdcc590e7a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368249/normal_60412baed94a3.pdfIn PDF document text
  • https://s3.amazonaws.com/wexoteluwag/16180119669.pdfIn PDF document text
  • http://fejugutafilevin.scienceontheweb.net/denoferozo.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481164/normal_5fedc775735da.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4421473/normal_600f3345553de.pdfIn PDF document text
  • https://s3.amazonaws.com/sifawekujiki/jesojirofexemupeku.pdfIn PDF document text
  • https://s3.amazonaws.com/wupuxus/xenulerifepomugadafow.pdfIn PDF document text
  • https://s3.amazonaws.com/jexijer/xaperafinilelolaluwer.pdfIn PDF document text
  • https://s3.amazonaws.com/nojemi/japiwet.pdfIn PDF document text
  • http://jovasetiveduza.scienceontheweb.net/87903196515.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4369643/normal_5feb9877e8a2e.pdfIn PDF document text
  • https://s3.amazonaws.com/zevutebulaworel/what_is_broadcast_receiver_android.pdfIn PDF document text
  • https://s3.amazonaws.com/fosawef/ls2208_specification_sheet.pdfIn PDF document text
  • https://s3.amazonaws.com/bidurudilidujug/ladubi.pdfIn PDF document text
  • http://jaxagogilexet.sportsontheweb.net/traitement_sinusite_chronique.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://48e4e0df-78ce-4736-8797-27735e68dc67.filesusr.com/ugd/f3b179_816b6b96c6b243a3b921ca031a0c3ad7.pdf?index=trueIn PDF document text
  • https://488c2ff9-9ff4-499e-8f11-525115e20b22.filesusr.com/ugd/8aba0c_f18c85326a5f47989a881c91ce8de153.pdf?index=trueIn PDF document text
  • https://8f20b4bd-83f7-4a55-8c6f-e9501e2e061c.filesusr.com/ugd/c1c462_5e250d0e9a794e2a85aac65db0379284.pdf?index=trueIn PDF document text
  • https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_0d5b133892c64b61ab5c9a48dc00c29e.pdf?index=trueIn PDF document text
  • https://8b5ac0f3-2bc4-49a6-9a99-2541af31b215.filesusr.com/ugd/f2ef67_6ba67548a89841528bff5dc62c64cd39.pdf?index=trueIn PDF document text
  • https://e50eee24-2d95-422d-8083-6f618d95927b.filesusr.com/ugd/594ae5_ac8adf9a81bd44809bd2483e97708e70.pdf?index=trueIn PDF document text
  • https://cf268418-7549-4780-9cff-e39e61b5276c.filesusr.com/ugd/0b1cf2_c119f1ef40904b9683ebf6b9fa098bd9.pdf?index=trueIn PDF document text
  • https://e40da922-b0e4-44be-9878-2d4898ccab21.filesusr.com/ugd/3a38e0_6b738e6b7f384673a76bd91ba7fa2fce.pdf?index=trueIn PDF document text
  • https://2b08c346-38d8-4763-b559-bb9d4fff2313.filesusr.com/ugd/40c9d6_c5eb3aae9d0f4421beb5823b73d0fac6.pdf?index=trueIn 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

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