Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2316a9d0c91f0d2…

MALICIOUS

PDF

76.7 KB Created: 2021-05-17 05:59:18 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-17
MD5: bd4ccf3783d5caade8a8b0a916e99e3e SHA-1: 08131e449199611afa1a24c1f4237599aa9040a6 SHA-256: c2316a9d0c91f0d2c0088042e4b9deacafb1e28c786d331d711b218bd66c0c22
96 Risk Score

Malware Insights

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

The PDF file contains heuristics indicating it is malicious and a phishing attempt. It embeds a URL that, when visited, likely leads to further malicious activity. The document body, though heavily obfuscated, suggests a lure related to gardening, which is a common tactic for phishing campaigns.

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://nipisod.ru/strik?utm_term=how+to+make+an+indoor+hanging+herb+garden PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4455639/normal_600719bf7c891.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4479933/normal_5ff488f78257c.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4457279/normal_6057eeed39ef6.pdfIn PDF document text
    • http://rowedirazizamo.22web.org/bancassurance_en_tunisie.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489595/normal_6009d35f5e376.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405414/normal_60196a914d656.pdfIn PDF document text
    • http://vakekaninu.iblogger.org/how_to_start_ccna_self_study.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387931/normal_6007567fe1920.pdfIn PDF document text
    • http://wexixexebasober.22web.org/liganatusozokawutaj.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/wivunonovef/what_are_the_twins_from_the_shining_doing_now.pdfIn PDF document text
    • http://kunasajijujaf.rf.gd/gone_with_the_wind_chapter_2_summary.pdfIn PDF document text
    • https://s3.amazonaws.com/xuvamuba/what_are_the_concepts_of_probability.pdfIn PDF document text
    • https://s3.amazonaws.com/juvosi/free_printable_luau_party_invitations_templates.pdfIn PDF document text
    • http://sujegulagu.epizy.com/69776669538.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/ganiwupatibeguv.pdfIn PDF document text
    • http://xafofeb.epizy.com/sedentarismo_libros.pdfIn PDF document text
    • https://s3.amazonaws.com/lusabifef/zojazesudunozevinozupe.pdfIn PDF document text
    • http://zogujiduguku.epizy.com/16282853338.pdfIn PDF document text
    • http://batitesejikak.epizy.com/dopabebovepenor.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_off0000ede6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEDE6 5284 bytes
SHA-256: ec478b8243480225596ddeb98bdba8fd60f5574a1ca3618c95d38f91dec7c691
font_01_sfnt_off0000ffbe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFFBE 11220 bytes
SHA-256: 536382f5dad0519523d1044e261b177f6ab1c6341cc9cf50ca8bb6b6a4cf0e62

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