Malicious PDF — malware analysis report

Static analysis result for SHA-256 e180f5db526f9d59…

MALICIOUS

PDF

71.0 KB Created: 2021-04-07 20:42:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 8d7514149f468b9e6907d8ee9addb014 SHA-1: 6315136cebfc28c104b8368a1c10fe547e5a4cc2 SHA-256: e180f5db526f9d59ed3b7b52b585878c7c13b96b17d2e6a6cf045fc1a8f1a2d0
126 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

Heuristics 5

  • 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 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://fokemale.ru/strik?utm_term=manual+camara+sony+hdr+cx240+full+hd+camcorder PDF link annotation
    • http://xupoluwifokolo.22web.org/carbolic_smoke_ball_case.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379237/normal_60270c2563f43.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379626/normal_60271bb6227ed.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404122/normal_603e2fc5194d6.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368238/normal_601e9898eb939.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495039/normal_5fcc367acb864.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392864/normal_5ffa1198e3951.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4422150/normal_603202ea7c458.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4481058/normal_601eab12820b8.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://beganiwalegujas.rf.gd/atwood_furnace_circuit_board_replacement.pdfIn PDF document text
    • https://37976aa0-f55f-47d3-847a-8d185b13ebf6.filesusr.com/ugd/1d6212_f6a8f68511b9461d893750c4be1a20df.pdf?index=trueIn PDF document text
    • http://dimebuturerab.epizy.com/44151661065.pdfIn PDF document text
    • https://s3.amazonaws.com/mizeteb/what_are_the_most_important_tags_in_html.pdfIn PDF document text
    • https://s3.amazonaws.com/sixenogafopoj/hp_elitebook_8570w_wireless_drivers.pdfIn PDF document text
    • http://venuxekokufago.rf.gd/96524002181.pdfIn PDF document text
    • http://pezusor.epizy.com/zisug.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ee67a8b-bb39-4c42-aae5-31459c87cffc/43933441992.pdfIn PDF document text
    • https://s3.amazonaws.com/xapidajovaji/tufuxilovagupojevatameta.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/317ab15d-f9fa-4a17-a68a-7a4c149c8e02/85582377794.pdfIn PDF document text
    • https://b1d4f555-1eac-4d61-aa83-27206cf3ee4b.filesusr.com/ugd/1706f5_7af6f67bfcee43e1b6c30d5150c895a5.pdf?index=trueIn PDF document text
    • https://b2d1eea7-aef5-47fc-962c-88b5513ecafc.filesusr.com/ugd/3a57bc_c8a12044222a4124b155fa34814911aa.pdf?index=trueIn PDF document text
    • https://182222a4-a7a4-434f-839c-7103b506edb5.filesusr.com/ugd/224a67_aa1919121551485496f2efa07c9233f7.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/8b66e2ad-3bf6-4cfc-9488-63d963244ca3/vijegobopexubupusoruk.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bae089ec-29bc-4d77-8098-b2d905fb47aa/xazixupokufe.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

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d6da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD6DA 5800 bytes
SHA-256: 1d0ed84b2e746065d3a90dd07d2d3172483e9e14028665e3ea6b6018b5e6227d
font_01_sfnt_off0000ea88.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA88 10808 bytes
SHA-256: fcbaf422a3d1fd7a93d0c8a7beb9387a2d95bc399fc5d4816310ad0c04e6bbb6

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