Malicious PDF — malware analysis report

Static analysis result for SHA-256 5f005f561644bbdd…

MALICIOUS

PDF

80.2 KB Created: 2021-02-26 08:30:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-20
MD5: 06c2346fc360f43170d035b99d766b50 SHA-1: 94ba5169ef697ae5a35630e01b22cd5b1dad090a SHA-256: 5f005f561644bbdda7af7def97fc61f54e21d19518c2a508d85a1af530351787
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded URL that directs users to a website, likely for phishing or malware distribution. The document body, though heavily obfuscated, contains text related to a product search, suggesting a lure to a malicious site disguised as a search result.

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://baarspo.ru/wb?keyword=husky%20pressure%20washer%20wand%20extension PDF link annotation
    • http://pedron.fun/65545264262xbjru.pdfIn PDF document text
    • http://dezlice.ru/28182365955eovb9.pdfIn PDF document text
    • http://snt-br.ru/present_continuous_exercises_for_adults_upper_intermediatee6iqt.pdfIn PDF document text
    • http://iblack.space/bamovibikodowopavajiter2988y.pdfIn PDF document text
    • http://vazawujuzu.sportsontheweb.net/honda_eu2000i_carburetor_bowl_gasket.pdfIn PDF document text
    • http://vizit.store/468124318715xe56.pdfIn PDF document text
    • http://nazorizuz.medianewsonline.com/97027686272.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/zarevizebi/44226551283.pdfIn PDF document text
    • https://s3.amazonaws.com/gazitif/65331968584.pdfIn PDF document text
    • https://s3.amazonaws.com/jewizopukuni/javascript_html_template_element.pdfIn PDF document text
    • https://s3.amazonaws.com/woneketelak/phenylketonuria_pku.pdfIn PDF document text
    • https://s3.amazonaws.com/ratixifo/the_great_adventures_of_sherlock_holmes.pdfIn PDF document text
    • https://s3.amazonaws.com/bejikefowu/which_teeter_inversion_table_is_the_best.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/balancing_chemical_equations_quiz_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/vovuzize/57039907204.pdfIn PDF document text
    • https://s3.amazonaws.com/jirebonudur/staff_introduction_email_template.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/gemij.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ef97.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEF97 5184 bytes
SHA-256: c10819fdc9ce746eeee5ac5c47a0359ea54080ca20ba4e9e860dde862bd276e1
font_01_sfnt_off0001014a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1014A 10616 bytes
SHA-256: 2fa224d8ea2bbd95bd98948b6be6995304ee38ff2d3077f31ae258cedc4e21c0
font_02_sfnt_off0001259b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1259B 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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