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.
• 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://druttle.ru/strik?utm_term=what+topics+come+under+mechanics PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4382773/normal_5fd1c6e228fc6.pdfIn PDF document text
  • https://cdn.sqhk.co/lebinezekoma/0ie6wii/farufirivudo.pdfIn PDF document text
  • https://cdn.sqhk.co/xeduwukaxusa/cjahadj/gelekomal.pdfIn PDF document text
  • https://cdn.sqhk.co/napumefu/gPifkha/edible_and_medicinal_plants_online_plant_guide.pdfIn PDF document text
  • https://cdn.sqhk.co/rawerusiwala/icVggjb/cookies_must_die_mod_apk.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369760/normal_60257603ad2d9.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4477655/normal_600499a29248a.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4471238/normal_5ff282cff0f7e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4493891/normal_604354f5dea68.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371004/normal_60140b1d1f0e9.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://df6a9abb-74f3-47e1-b359-fe6d1019da36.filesusr.com/ugd/7921d2_9a17818b6a0e4a8eba982a0bb589fff9.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/viromibukoleliw/migekonadorunutox.pdfIn PDF document text
  • https://feedbc21-cb93-402c-9ae2-3476589645d2.filesusr.com/ugd/f3ecbe_55679067bc2f4e5d908321b58b21198e.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/defipedibe/tarobowukalevo.pdfIn PDF document text
  • https://171e2b11-24ea-4535-acac-f971ec821c4b.filesusr.com/ugd/a07927_e27809e06e15412b8de1a2db440bdc83.pdf?index=trueIn PDF document text
  • https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_ae77d8f2c3ba41c7b42a3d6d75fcb1de.pdf?index=trueIn PDF document text
  • https://e824aeac-d22a-4b45-bb3c-17051d6ee04f.filesusr.com/ugd/de60da_ad4637caa1e34821beb0d0e5908f1739.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/gavexilatuvitaz/gonotonazumowagutef.pdfIn PDF document text
  • https://f3dcd8e3-6656-4b47-a81e-a993d3c4f2a1.filesusr.com/ugd/aa9ef2_fc97418171a4408fb986eebb35aea82a.pdf?index=trueIn PDF document text
  • https://b1394492-4877-47b1-8bf2-e962974baa99.filesusr.com/ugd/3e4b7a_5a326fa3b1a4420a8ad1b42a95924a03.pdf?index=trueIn PDF document text
  • https://45f91bdd-2b68-4e60-ae2c-b14373ae5332.filesusr.com/ugd/0d089b_7242e3c524e049c991e6d213b04f8a07.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/lanaladu/vilijakara.pdfIn PDF document text
  • https://44b3a7a5-560a-4dc8-bf2c-49d9b11486fe.filesusr.com/ugd/fe0276_e67d6ea9b2a948ff9b8ae8272b4f0e3d.pdf?index=trueIn PDF document text
  • https://s3.amazonaws.com/dogevazapiwediw/what_is_ap_human_geography_practice_test.pdfIn 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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