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://jacksth.ru/strik?utm_term=never+fade+away+lyrics+pt+adamczyk PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4481990/normal_6033d407c6161.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4481695/normal_5ff7803e07cca.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4460048/normal_601b3a77126fd.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4529780/normal_5fd04df5188ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4476146/normal_601db3b75c2b0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4449012/normal_606e3fc558073.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500887/normal_605f5eeb052b9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372682/normal_6032220c2a97d.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4413575/normal_5fec85ac05d5a.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://30cc9e9c-6145-4029-bfdc-d0561bdb3a10.filesusr.com/ugd/0dcf4b_4bc71a6924694149a113f485dd972ec7.pdf?index=trueIn PDF document text
  • https://254a6a59-343e-4b7e-907c-c4819e171fff.filesusr.com/ugd/decf6f_9b9e622261d048eb8054260ec54ab04b.pdf?index=trueIn PDF document text
  • https://9f2a6cc1-6e15-4467-beaa-57274ca996ed.filesusr.com/ugd/78f4c3_4ebd0d44b9254f3d91edc8bc23fb82ca.pdf?index=trueIn PDF document text
  • https://00407fa8-a9ef-4b78-9bbe-46147fc8acf6.filesusr.com/ugd/5ecadc_96e2197807784ffaa4663967924e20a8.pdf?index=trueIn PDF document text
  • https://387a498e-9551-4239-9507-3183ba214552.filesusr.com/ugd/cd403b_daf66f7222734f76a3b30fadade0dba0.pdf?index=trueIn PDF document text
  • https://d115d978-d96a-40c8-9764-5d959708fc35.filesusr.com/ugd/436160_0acdf96189f844cfbdd020bfe1f3f4b4.pdf?index=trueIn PDF document text
  • https://c22e5cf4-338a-4003-9cad-c1cb0be29285.filesusr.com/ugd/3db607_ee57d8878564457dbe3daff72d222169.pdf?index=trueIn PDF document text
  • https://6e678f60-abc6-404c-883a-cd1729fdffee.filesusr.com/ugd/e4291f_b9c5411d0cd14b7291872bb7f78822f8.pdf?index=trueIn PDF document text
  • https://30cc9e9c-6145-4029-bfdc-d0561bdb3a10.filesusr.com/ugd/0dcf4b_0c76a199fe6248efa57c3986402d74bc.pdf?index=trueIn PDF document text
  • https://2e6726a7-2e78-456a-9fa1-8bc85c3b20a6.filesusr.com/ugd/76e31d_9ce8001926254a36888c280699988b5d.pdf?index=trueIn PDF document text
  • https://54957a25-093b-4cbd-a4f0-8eb5fea931f0.filesusr.com/ugd/8ba634_1044b0c6ddb04b88b70779f73a59b965.pdf?index=trueIn PDF document text
  • https://6d428a25-da86-44fa-8f13-5b0f09742281.filesusr.com/ugd/3649d2_718c180776e347449450d289ed126c49.pdf?index=trueIn PDF document text
  • https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_d72b537fcaf742ce8999b01be1fd9309.pdf?index=trueIn PDF document text
  • https://40e214c1-1950-44e8-a195-e2c6eeb23253.filesusr.com/ugd/a517f4_0e7602681f924cabbd9a53caa4b5631e.pdf?index=trueIn PDF document text
  • https://493f174a-a540-412c-bacb-e5b7b26cbfcf.filesusr.com/ugd/95bb70_ac2e06639131490c8abaa4df40ae46e2.pdf?index=trueIn PDF document text
  • https://bed2d873-735b-46bb-a8a3-264d0455df4e.filesusr.com/ugd/03ede2_a3507432f8a642098280dd1cf90399b2.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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