Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a6d2668bfc567fd…

MALICIOUS

PDF

80.7 KB Created: 2021-03-25 03:40:04 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: fb1f3577a69bc19f9e383f151aef22e3 SHA-1: 911cc7098f6b697795e3f14926b7eb34ff574071 SHA-256: 6a6d2668bfc567fd9c12eda8ab6deb39cce6cfb2a835223442d5f7fb5a37388a
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 0.9997

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://soxebez.ru/123?utm_term=accessibility+compliance+report+2019 PDF link annotation
    • http://damvglaz2.xyz/download_real_steel_boxing_championshiptm498.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4467573/normal_5fcc9f19db2ea.pdfIn PDF document text
    • http://whalesqpa.fun/tazavumujufubekifolikalkdhzz.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4418367/normal_6032af38a1951.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4409806/normal_6005122e6d8c8.pdfIn PDF document text
    • http://jadebey-x.com/rockstar_games_launcher_errordudny.pdfIn PDF document text
    • http://ribipozosotol.iblogger.org/378824341.pdfIn PDF document text
    • http://tosefabebiribow.scienceontheweb.net/xoferuvedij.pdfIn PDF document text
    • http://unityfree.xyz/53114624385szubi.pdfIn PDF document text
    • http://takinowusef.iblogger.org/malaria_vaccine_2020.pdfIn PDF document text
    • http://aycotoro6.xyz/traducir_de_espaol_a_ingles_online_gratis0bic2.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/zepifudoxapo/car_driving_school_games_free.pdfIn PDF document text
    • http://bigapenegig.atwebpages.com/big_ideas_math_algebra_1.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/45525675304.pdfIn PDF document text
    • https://s3.amazonaws.com/belopudevuzuza/usher_abc_song.pdfIn PDF document text
    • https://s3.amazonaws.com/sosupejuxofedo/76430116163.pdfIn PDF document text
    • https://s3.amazonaws.com/jivuxo/xumajetaxideriri.pdfIn PDF document text
    • https://s3.amazonaws.com/boxujetanonikuv/jigabovireruzilige.pdfIn PDF document text
    • https://s3.amazonaws.com/litunux/wb_sc_st_obc_application_form.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/kinijek.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_off0000eea0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEA0 5580 bytes
SHA-256: 55793990a65f512799c37322e800b067c79e500975a2181d632f202d07fdf3dd
font_01_sfnt_off00010167.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10167 11172 bytes
SHA-256: 29bbeb35a81d11974f40620ed7750ae143cbd8ccf20faa8387738f2a08df3843
font_02_sfnt_off00012753.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12753 4324 bytes
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333

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