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.
• LOLBin token sequence in document text high SE_LOLBIN_RUN_COMMAND
  Extracted document text contains a Windows script/execution tool name (PowerShell, mshta, cmd, rundll32, regsvr32, …) within 220 characters of a dangerous flag, command verb, or URL. This is a visible 'run this' instruction in HTML/PDF/RTF lure bodies, or — in macro-laden Office files — the macro's own string-pool entries appearing adjacent in extracted text.
• 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/wix?keyword=the+universe+spaceship+earth+worksheet+answers PDF link annotation

  • https://zefivevolexu.weebly.com/uploads/1/3/1/6/131637056/787762df8ba.pdfIn PDF document text
  • https://kujituxozi.weebly.com/uploads/1/3/4/6/134625238/bovisoluman_fivixo_kosirun.pdfIn PDF document text
  • https://cdn.sqhk.co/fexilejedit/kbBiagh/unfollow_for_instagram_pro_1._3_apk_mod.pdfIn PDF document text
  • https://weduparazibad.weebly.com/uploads/1/3/4/7/134710999/zulenazufewemel_ruvebix.pdfIn PDF document text
  • https://riluvozig.weebly.com/uploads/1/3/4/3/134380056/7554749.pdfIn PDF document text
  • https://cdn.sqhk.co/lopumilekana/MjihMig/vh1_live_stream_123.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378604/normal_6019645cbc6b1.pdfIn PDF document text
  • https://kujituxozi.weebly.com/uploadIn macro / runtime command snippet
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/1f7028ec-31be-456a-a613-095d5c239ec0/87176767312.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6b315a42-b37e-4fe2-94b0-205876eb9bfd/seiko_solar_watch_battery_replacement_near_me.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/4ed227a6-fb09-4fbb-84f0-1e0f2af5fcd6/84528066972.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/5dd0c9df-c3a3-47cf-a9a2-30af446467d0/survival_of_the_fittest_meaning_in_bengali.pdfIn PDF document text
  • https://901c4554-6fda-40bf-8344-1f1538f5dc06.filesusr.com/ugd/a76634_c37dcc8364e84e9e8cc01206f5423873.pdf?index=trueIn PDF document text
  • https://d09251a9-b09e-4077-8ccb-24037f005f7b.filesusr.com/ugd/a6ce17_12674a3b90204fdcaea2e5546c396ddc.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/1be937c2-651d-40ad-a2c3-e1c86ee36676/rip_curl_bracelet_watch.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/35cb4d47-d029-4827-9194-97417d981260/creswell_j._w._2013._qualitative_inquiry_and_research_design_choosing_among_five_approaches.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1d8b8928-b62e-494c-aa17-aae21fa46e26/vilikisobugopirutesuf.pdfIn PDF document text
  • https://591e60e9-54e8-4b06-a9a7-f2e0522969d0.filesusr.com/ugd/1fd4b7_422c879c547842888ccf6123bc3ef5b6.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/7dd6b7e0-9055-4340-ac4c-c34b9f861943/bofepebexom.pdfIn PDF document text
  • https://9e0ebcba-7e04-41ac-afc6-cfc574163c15.filesusr.com/ugd/6725b5_58c04f88ddf34716af67d2fa6d30235a.pdf?index=trueIn PDF document text
  • https://uploads.strikinglycdn.com/files/d9eb8ee7-e194-41da-936a-4e5371d76513/xenidologagivenipedunoma.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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