Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://jottigo.ru/strik?utm_term=how+do+i+reset+my+asus+router+without+a+password PDF link annotation

  • http://siwupojotuj.getenjoyment.net/8346062696.pdfIn PDF document text
  • http://jirusulixozome.scienceontheweb.net/zuvubomu.pdfIn PDF document text
  • http://bagutoruramig.mywebcommunity.org/28303967545.pdfIn PDF document text
  • http://nexipufogavajid.getenjoyment.net/cancionero_catolico_2020.pdfIn PDF document text
  • http://volulolusawaz.mygamesonline.org/hillsborough_county_school_2020_start_date.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://nokivegodixisi.rf.gd/reality_is_broken_mcgonigal.pdfIn PDF document text
  • https://2aa89031-56ac-4de1-b828-aabe99840ec8.filesusr.com/ugd/cf14a4_3ad19079aa5e4412bf6a7a4dac2a2f20.pdf?index=trueIn PDF document text
  • https://f1e11ea9-a931-46ad-af30-391325c877dd.filesusr.com/ugd/423518_7ce50f9d34a24bc1a512674ad6b100ae.pdf?index=trueIn PDF document text
  • https://7f06b679-e14d-4525-8955-d56a7cf6f710.filesusr.com/ugd/79e5df_d375c95410a94577b9f07333538f8162.pdf?index=trueIn PDF document text
  • http://kaloruligot.onlinewebshop.net/2014_taotao_110cc_atv_carburetor.pdfIn PDF document text
  • https://997b2cc2-d96d-4654-b184-8a5d7ad473c0.filesusr.com/ugd/b8d08c_f86b71df0bdf44ab8c171e385bff2aa5.pdf?index=trueIn PDF document text
  • https://033a7475-7ccb-45c1-8f1e-38fd320d48d0.filesusr.com/ugd/03a576_94deefb080a349ae8e0e9ced51724bdf.pdf?index=trueIn PDF document text
  • https://ce099f17-eb12-430b-a452-8d789b3ee5a8.filesusr.com/ugd/aef5b7_ab9d767645a54d6e8c3ddd9c2ff730fc.pdf?index=trueIn PDF document text
  • http://xomawerowikevof.rf.gd/approach_to_pancytopenia.pdfIn PDF document text
  • http://dukoveseleg.rf.gd/19033536809.pdfIn PDF document text
  • https://945b3f91-9c76-4178-be32-f0dab3cfe2c6.filesusr.com/ugd/8d5d69_4e059a9eefc947a7b43674850bacc19b.pdf?index=trueIn PDF document text
  • https://50b44c92-959e-4a15-bf83-93d6b2b518d6.filesusr.com/ugd/3ed44c_6b5d2bb9551943d79e50bb9a5cbb0d02.pdf?index=trueIn PDF document text
  • http://tikomiwewo.atwebpages.com/cloud_computing_certification_program.pdfIn PDF document text
  • http://sajavisazoz.epizy.com/best_fashion_apps_2018_android.pdfIn PDF document text
  • http://piterar.epizy.com/vokorurexotewilosadafoki.pdfIn PDF document text
  • https://011f98f8-b45f-4578-a2fd-466b530f7845.filesusr.com/ugd/74e905_7ccb2120f2714b919f96a94cb7d089fc.pdf?index=trueIn PDF document text
  • https://76f5a3e5-08d8-4581-9975-6c1b933a1845.filesusr.com/ugd/dbbd16_06e96a6420d64eaf83adf1ff3fc0b091.pdf?index=trueIn PDF document text
  • https://3cd6846c-369c-4875-9c63-132df726a2dd.filesusr.com/ugd/7ab50f_14c3093c8e8c46fca96f22be74e95797.pdf?index=trueIn PDF document text
  • https://584dc5e1-4449-4bca-b3d9-d0e1fa08a972.filesusr.com/ugd/185caa_ea569bce08b34ece9fe066ff4cc3a164.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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