Malicious PDF — malware analysis report

Static analysis result for SHA-256 b68930226bfddd9e…

MALICIOUS

PDF

89.3 KB Created: 2021-03-06 06:36:28 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 4dd6bc5b974cf9bb3fc3a6d992b650d9 SHA-1: bbda13b976d8cda5c949de6628b07a34ef66d2fc SHA-256: b68930226bfddd9e025046eabe960123eece1d5b50ff9e620bad881da942fcb9
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL pointing to 'lozipotod.ru', which is likely used to deliver a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, appears to reference '2017 ford mustang ecoboost specifications', serving as a lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://lozipotod.ru/award?keyword=2017+ford+mustang+ecoboost+specifications PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4420025/normal_5fe0ff30ee209.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489732/normal_6022172853360.pdfIn PDF document text
    • http://timurberg.ru/50676631680n9ghg.pdfIn PDF document text
    • https://cdn.sqhk.co/boxokozofe/cgdidia/police_vs_crime_magazine.pdfIn PDF document text
    • https://cdn.sqhk.co/zogowefu/jdjc8qW/nixolodatupe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490953/normal_60136c55d9989.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454995/normal_5feaf1d014757.pdfIn PDF document text
    • http://teleporttur.ru/sepsis_2018_definitions_and_guideline_changes0evnj.pdfIn PDF document text
    • https://cdn.sqhk.co/kodivitedi/jjwgcjb/epic_games_fortnite_account_settings.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d2e95f3a-47a9-4e86-b841-732ab4bbac05/the_last_lecture_movie_trailer.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dd9099b6-a7f0-4114-bebd-e5ff12f9a048/semi_log_graph_paper_for_sieve_analysis.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/11fde90d-434f-43cf-8cd7-8741b9622a91/susizubofufimonubagafa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/abdf4841-c07b-480f-b815-d167247f20da/23922791625.pdfIn PDF document text
    • https://s3.amazonaws.com/winumigutam/cancer_de_mama_tratamiento.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/845e1e20-93c4-4f75-be4c-a9e325790e25/practice_simplifying_radical_expressions_worksheet_answers.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f2cbc41f-f040-42d5-b32c-42a1cae7c07b/agatha_christies_poirot_season_13_episode_3_cast.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/271066ed-f5ca-4d2e-8959-9d62b3d68f43/9166167302.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6978ed72-5eb0-475d-b0ca-a9fd1d3a714e/strength_in_what_remains_book_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/wobuzisibal/acca_past_papers_financial_reporting.pdfIn PDF document text
    • https://s3.amazonaws.com/satulibaren/google_wavenet_android.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_off00012051.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12051 5892 bytes
SHA-256: aed53ba1438df3a3c6bafa384a657ffe468220a0bf26f07e7209a1fa75c02c33
font_01_sfnt_off00013457.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13457 10428 bytes
SHA-256: 9334e3eb9f10fd28df2b9bbd6396f4fe54063e9cd1a238c89f01d97c6e5d4fb3

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