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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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://gimoguvi.ru/award?keyword=dynamics+of+machinery+syllabus+pdf PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4372702/normal_60228bdd9bcf8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4490936/normal_5fd7b41ddb586.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4444856/normal_60335091836f3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493916/normal_60555b25a27ba.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4468563/normal_60282f2a7f84b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403121/normal_60541dba9bd31.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367640/normal_600f41ff347f7.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/rorives/culinary_tourism_in_india.pdfIn PDF document text
  • https://4a1cfc67-5981-466d-a13b-75576fe7431f.filesusr.com/ugd/64e449_9c19aa2eb6c94a0db8c59eaf8502a5cc.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/salade/bidule_manual.pdfIn PDF document text
  • https://0feddc0e-03bc-46a3-a741-45303deff239.filesusr.com/ugd/6ea6a2_55207a1526484c1bad10efad1baf4c3d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/sirilagewuga/2018_nba_draft_grades_bleacher_report.pdfIn PDF document text
  • https://59cf682b-6680-4a08-8b8d-0472bab64ef7.filesusr.com/ugd/d7d6cd_cf0285febe544320af10cd199c6c2d94.pdf?index=trueIn PDF document text
  • https://be934b08-0dcc-4e2e-8de1-c3c1c32dbfab.filesusr.com/ugd/d5415a_17dfeb73276a45548fbf272a0edb9c96.pdf?index=trueIn PDF document text
  • https://8767aa75-4bd5-48c0-94ca-24e983238001.filesusr.com/ugd/debdc1_240202deff284ec68b61e90b2951a46d.pdf?index=trueIn PDF document text
  • https://b913155d-2712-4fd4-bcc6-651970a8c456.filesusr.com/ugd/e39924_baa1fc152e194dc8b3aff21364ce95b1.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/setaxilitozuko/panasonic_telephone_manual_kx-tg6641.pdfIn PDF document text
  • https://1cdd1dcb-54a5-4750-95ad-c4cce9a68cd1.filesusr.com/ugd/1e32c2_03b4b4f55f1244c59be49ac92ef9ba21.pdf?index=trueIn PDF document text
  • https://cc652f91-b1ab-470c-b36f-46d838ef85b2.filesusr.com/ugd/fbccce_055e26575f3046a1943d2ec87f4be909.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/vebenok/audiobooks_audible_app.pdfIn PDF document text
  • https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_66e88fb778564c749a2553ba29020b5c.pdf?index=trueIn PDF document text
  • https://1b6fbac1-9b66-4609-9151-81f5d4c316f7.filesusr.com/ugd/5e81b9_8c509d13b3b8463bb50c4c089e419358.pdf?index=trueIn PDF document text
  • https://d572dbd6-ec42-402e-884a-3db6daac2318.filesusr.com/ugd/6a558d_681ebb8f3b4f4b09b4a90d21773072bd.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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