Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://kuzutuzo.ru/strik?utm_term=moca+test+pdf+thai PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4445103/normal_603e183de314a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382949/normal_6040b0b852c1c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420597/normal_5fd9ad9c1ef7c.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4444104/normal_5fec7dea5f9cf.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://s3.amazonaws.com/satuja/formule_urto_elastico_anelastico.pdfIn PDF document text
  • https://s3.amazonaws.com/miledu/kofoturokasazurodi.pdfIn PDF document text
  • https://s3.amazonaws.com/radubozufiwo/pebikabizuzuneramufudodeb.pdfIn PDF document text
  • https://18b09f4e-de4d-4c1b-9fe6-be55c63b1c00.filesusr.com/ugd/cd81e9_1a62e20957484ec8b438fab03c224e55.pdf?index=trueIn PDF document text
  • https://fd0ef26f-7b8f-4c91-b3b2-19f7ec93487a.filesusr.com/ugd/4174bf_f49ae2091102459f96f126fcc6e8bbeb.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/3a60cc48-11a4-46f5-9d17-54045529ae0c/download_old_school_music_80.pdfIn PDF document text
  • https://f110cc6a-49d6-427c-9ab6-a3a4d323b004.filesusr.com/ugd/9e53d4_acf2a8d3199342a19c93fbc1f145ea49.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/tikofaketonub/28218624221.pdfIn PDF document text
  • https://2e4d99de-9d37-4ce2-abd5-0bbccafdbe51.filesusr.com/ugd/33a2e4_e7a3ebfff2434f5b9f79ed64f70558c9.pdf?index=trueIn PDF document text
  • https://d6b7b3c7-8429-4d82-9d75-5d5d09e763cc.filesusr.com/ugd/a8c229_6dabfd9e9df248a6bffb5cc5a0bd11f0.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lomuper/demographic_information_format.pdfIn PDF document text
  • https://391e4f24-9fc9-4707-ac06-338edcd9f959.filesusr.com/ugd/110ef3_66aaea6a37b441a5a97197238e64da1e.pdf?index=trueIn PDF document text
  • https://c8d0f166-86fd-441b-8df5-aa5e6c6c7644.filesusr.com/ugd/f4b3af_5d9fb63e781740cfbbdd28419678c7d7.pdf?index=trueIn PDF document text
  • https://f733e552-90a1-4d1f-83ca-a6b36afcf31c.filesusr.com/ugd/38bf1f_8e005870a04f4ad39b63a6f9c68f5d18.pdf?index=trueIn PDF document text
  • https://adc0bc6f-2b4d-4951-bce0-9128d215fa34.filesusr.com/ugd/5ea4d5_4901f0c27bae45da9a20578737d3e7c3.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/nijudow/34464654948.pdfIn PDF document text
  • https://s3.amazonaws.com/nonabafat/94860161034.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/06d4b2a6-2ffb-4685-8a3d-e0ca6c8c74a0/on_the_concept_of_history_walter_benjamin_summary.pdfIn PDF document text
  • https://s3.amazonaws.com/lowebemuwojiso/pirirelugejuva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/116f1538-2530-4bf4-9ae9-ae841d1ab561/sailors_creed_navy.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d3bcfcb9-4de1-496f-8d13-486b41c30a7d/45413281389.pdfIn PDF document text
  • https://3dd85f33-233b-4b3c-8e53-142bc8307eec.filesusr.com/ugd/8df890_52c831dd04014eaca6168fc12b6745a3.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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