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://crophysi.ru/123?utm_term=go+math+grade+kindergarten+answer+key PDF link annotation

  • https://nifevokore.weebly.com/uploads/1/3/1/4/131437532/dozepoxanidob.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4414152/normal_5fd06c2f9d7ce.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4368481/normal_5fe3abfedd389.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4454287/normal_60535dac2ac13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4420036/normal_602d55fbd8062.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4422894/normal_5fec136cd923a.pdfIn PDF document text
  • https://mixusabap.weebly.com/uploads/1/3/4/0/134096097/2435549.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://45ae50e1-98a8-4501-9ad6-fc0df438eb43.filesusr.com/ugd/b16523_47c04a22d81544b79b5226824d002ee9.pdf?index=trueIn PDF document text
  • https://0879403c-3be5-48e4-925f-21334a7d5cfe.filesusr.com/ugd/407fcc_2c253ebe806d4fff882311cfedb77453.pdf?index=trueIn PDF document text
  • https://8a89c5bc-485b-4808-980c-66c60e8d9908.filesusr.com/ugd/834936_44379f1877a44670bf98d39f586781fe.pdf?index=trueIn PDF document text
  • https://9539e3d7-93ad-434a-85ac-22bd9bdb82bb.filesusr.com/ugd/df7b34_9127c2d405e6483bba93660472812815.pdf?index=trueIn PDF document text
  • https://9a60fab3-6fb0-4be7-9305-b2e3cc44d963.filesusr.com/ugd/811c4f_087a271da7504fd994081e80f4f25d2e.pdf?index=trueIn PDF document text
  • https://7f3356c1-ec1f-498a-9d41-5b36c14d87b7.filesusr.com/ugd/98d33d_4873749e715948798df8d4257609577b.pdf?index=trueIn PDF document text
  • https://411563d6-f1a1-4768-9eaa-86e4eb1f1ae3.filesusr.com/ugd/6d8349_8ce94b7574ed4fa3bd5162aa0a4c54df.pdf?index=trueIn PDF document text
  • https://46a1ac71-481d-4a85-b709-d40f3a189542.filesusr.com/ugd/143c98_eab49fad4e3348899ff39e9b69d5c132.pdf?index=trueIn PDF document text
  • https://1b3fde16-7575-45ba-b40e-8916c64185ca.filesusr.com/ugd/8874e8_9e7b8ff65c2949d4a89d482462a377a6.pdf?index=trueIn PDF document text
  • https://64b67c6e-fbbd-4787-add8-9ed3e274c95c.filesusr.com/ugd/eb6612_292c47547c8b4e35bec46c18aba276f4.pdf?index=trueIn PDF document text
  • https://1a441fb4-51dd-4528-a053-eb59ff664e18.filesusr.com/ugd/43d9d5_e8117fe8a43e43878a9bf89f27b0bb91.pdf?index=trueIn PDF document text
  • https://bbaef297-c986-4b42-acb3-0fd65605e280.filesusr.com/ugd/e9fc71_ca423fd9226149629c14bea18caedc58.pdf?index=trueIn PDF document text
  • https://8641c524-1fb5-4292-87ed-dd72f64d6c22.filesusr.com/ugd/9b7d8a_435bb5dc227941c1b29379e4b949b467.pdf?index=trueIn PDF document text
  • https://917ed8d3-8a9f-4c5c-a3ad-554e533308ad.filesusr.com/ugd/a4e402_6cbad0d853ae437182502267baac1161.pdf?index=trueIn PDF document text
  • https://4f65703b-d4c0-4c9c-9e30-73c8cc83ec5d.filesusr.com/ugd/54fa57_82a95248d6e245e2a64ce9bdf9eb7ec0.pdf?index=trueIn PDF document text
  • https://8717ace1-8174-44a1-9f98-e7cbf9e9ed94.filesusr.com/ugd/14e3be_7c058c8824a44d8a9c11950dcfd4f767.pdf?index=trueIn PDF document text
  • https://b32e410f-f365-4205-840f-53103702c783.filesusr.com/ugd/51ece5_4da0f31371ad4f4fb1961641d484d5f5.pdf?index=trueIn PDF document text
  • https://5366dd3f-28a3-4342-b8e5-5bed86455aec.filesusr.com/ugd/a92322_e547e2ade44d4aefa9b83791588c2a0a.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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