Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Brand-impersonation credential phishing lure critical SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: action link to abused redirector https://nizerekudoni.weebly.com/uploads/1/3/5/3/135383630/jadine.pdf.
• 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/123?utm_term=android+one+wallpaper PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4401518/normal_5fd34de1b6bb1.pdfIn PDF document text
  • https://nizerekudoni.weebly.com/uploads/1/3/5/3/135383630/jadine.pdfIn PDF document text
  • http://mazanatur.space/pauta_aduaneira_de_angola_2017pv7yx.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500887/normal_6029b62b85130.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4387573/normal_6040d89653b71.pdfIn PDF document text
  • https://zowadadevifu.weebly.com/uploads/1/3/4/5/134597758/rebodero.pdfIn PDF document text
  • http://miworusak.iblogger.org/android_emulator_not_connecting_to_internet.pdfIn PDF document text
  • http://teachost.com/lawigulekelajavususukumer6n4g9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4500432/normal_6038c66952de4.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://uploads.strikinglycdn.com/files/32b4f3c2-2835-436e-9141-0de721954c99/java_for_dummies_7th_edition.pdfIn PDF document text
  • https://728bf1be-24e3-4891-ba98-fedceca1a503.filesusr.com/ugd/3268c8_cda9d6b86e0f46af90f8ec6f7ea99a7c.pdf?index=trueIn PDF document text
  • https://b564fea6-732e-489f-a029-a72dc6590de2.filesusr.com/ugd/6a4619_796758e8b3dc4452bfa02eb226c47618.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/5ad398da-a732-4ae9-88e9-04aff3aebb6b/27078338927.pdfIn PDF document text
  • http://kevitokepe.epizy.com/language_of_real_estate.pdfIn PDF document text
  • http://supovopekowo.epizy.com/sigomezededipujorunojubi.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/0cbdf5f4-43b7-48cb-a386-f78fed662236/212553101.pdfIn PDF document text
  • https://c4647614-9ff8-4b00-b819-08dc938bd166.filesusr.com/ugd/5d3f24_9a0f8a35577a43568a22a96dabd2e2bc.pdf?index=trueIn PDF document text
  • https://13fad4bf-7224-44b3-802b-16842e97d241.filesusr.com/ugd/b14664_00d32a937c0b4908bddeb181185c5491.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/bdc43a95-9ff8-4248-8ea8-e46b2f6926fd/city_of_quartz_chapter_3_summary.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/eca4244d-84dd-499f-ad72-4ca4b5351492/23628967382.pdfIn PDF document text
  • https://c7972686-9310-4d97-8ac3-15e828887225.filesusr.com/ugd/8a419d_1f638ae235b44a118e767368dcc1ac00.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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