Malicious PDF — malware analysis report

Static analysis result for SHA-256 de2e53bdba199ff9…

MALICIOUS

PDF

83.8 KB Created: 2021-06-07 20:56:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 59ba0cf3fc8909b4e2389f2d879b88ef SHA-1: 7383b98553c09ba9290b34c585b07466b6ad4e04 SHA-256: de2e53bdba199ff9125ea3b3144b2eba975675a486d57375dec27cf793e03b7c
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9992

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://coretry.ru/pbw?utm_term=how+do+you+run+a+diagnostic+on+a+whirlpool+washer PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4416938/normal_6054ace658ba6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380674/normal_5fddf5ba62299.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4460473/normal_5fde4c6f8ce4a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384836/normal_6022dcbb401a5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382187/normal_5ffb3179ef525.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4504791/normal_601e72e2a5684.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384307/normal_6049222f02e57.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421623/normal_6052b8d1c19ad.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486353/normal_5fc9ae3d7fc16.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4421944/normal_5fdf1c0199152.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://dibesusajob.pbworks.com/w/file/fetch/144440772/taporuwotowumuravi.pdfIn PDF document text
    • http://pefagisunel.pbworks.com/f/how_to_remove_control_lock_on_whirlpool_duet_dryer.pdfIn PDF document text
    • http://xuresasadox.pbworks.com/f/how_to_learn_thai_language.pdfIn PDF document text
    • http://tazijebep.pbworks.com/f/how_to_find_instantaneous_rate_of_change_formula.pdfIn PDF document text
    • http://jesababa.pbworks.com/f/how_many_combinations_with_5_numbers_1-45.pdfIn PDF document text
    • http://jiboduxoguv.pbworks.com/w/file/fetch/144507261/how_to_get_dataflow_report.pdfIn PDF document text
    • http://sokulus.pbworks.com/f/31435738582.pdfIn PDF document text
    • http://dawijunegolo.pbworks.com/w/file/fetch/144421476/auto_insurance_quote_comparison_excel_template.pdfIn PDF document text
    • http://doxawadar.pbworks.com/f/xojugoro.pdfIn PDF document text
    • http://zetewufor.pbworks.com/f/xikusuwanito.pdfIn PDF document text
    • http://namikikis.pbworks.com/w/file/fetch/144518952/coursera_financial_aid_answers_reddit.pdfIn PDF document text
    • http://pejuzor.pbworks.com/f/62516904488.pdfIn PDF document text
    • http://mizunebapod.pbworks.com/f/faganafif.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000107cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107CC 5488 bytes
SHA-256: 9cdb88ec109c609150c620a48e0b0916b720bdc1e99aa839c582dcb552e1dd37
font_01_sfnt_off00011a8b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A8B 11296 bytes
SHA-256: 6ca3f29f36bc471d470fd6688314b4bc048b05275808ecf677202919b085a88c

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