Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e79ad715ffa2ab9…

MALICIOUS

PDF

75.3 KB Created: 2021-02-28 06:04:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 40e110230d29d05bf243ebbf9dd32333 SHA-1: 95af34c3353bb576c0b3c9f5e8ba76501bde4047 SHA-256: 7e79ad715ffa2ab9990d4a27d10e94b8663700e136c2f6aac6d2ee0a5d419b44
96 Risk Score

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 0.9998

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://maypoin.ru/123?utm_term=how+much+is+nigerian+navy+recruit+paid PDF link annotation
    • https://cdn.sqhk.co/kufagilan/ckhfagv/27315830537.pdfIn PDF document text
    • https://cdn.sqhk.co/gorokipo/7gjggnV/world_provinces_database.pdfIn PDF document text
    • http://tomandbxof.site/hollowed_lair_nightfall_guidemugd9.pdfIn PDF document text
    • https://cdn.sqhk.co/ravusigi/iuZHIqT/netflix_vr_apkmirror.pdfIn PDF document text
    • https://cdn.sqhk.co/woxemevimox/jg2e8hi/nail_designs_autumn_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/niporatibu/gh3jfxd/dinugeratapamuxufatazazu.pdfIn PDF document text
    • https://cdn.sqhk.co/furafurume/Kig7T1S/stickers_di_telegram_su_whatsapp.pdfIn PDF document text
    • https://cdn.sqhk.co/begokaxawip/awigdhh/91669118206.pdfIn PDF document text
    • https://cdn.sqhk.co/wamitavixitu/ghgAuhe/fopasobugekufakipije.pdfIn PDF document text
    • https://cdn.sqhk.co/fetebutujo/83MMmSD/pac-_man_championship_edition_2_switch.pdfIn PDF document text
    • https://cdn.sqhk.co/jimavidozeze/jjPjg16/need_for_speed_most_wanted_2005_ps2_cheats.pdfIn PDF document text
    • https://cdn.sqhk.co/badaxiloru/igiihc7/tizufawenano.pdfIn PDF document text
    • https://cdn.sqhk.co/risubibasero/F4yjhc8/65067837774.pdfIn PDF document text
    • http://1xbet-regi.site/80979990123avos5.pdfIn PDF document text
    • https://cdn.sqhk.co/davusegeb/a8ojcrX/41482559028.pdfIn PDF document text
    • https://cdn.sqhk.co/nogorodizet/jygiLhj/kijejifupuvegunelapu.pdfIn PDF document text
    • http://digitalmedialit.com/the_motley_fool_investment_guide_reviewux32x.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn 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_off0000de59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE59 2900 bytes
SHA-256: 40ce0bc9b113ef031639604f059b60aa9f1e41b097d60e75bfbf620cccc66306
font_01_sfnt_off0000e89d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE89D 5672 bytes
SHA-256: 3ce30a16f56d656290be38a1aff2ef78907986ab56475672143cbd2092924b3d
font_02_sfnt_off0000fbda.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBDA 10436 bytes
SHA-256: 559ba30ffc38ebf8af49c95a052a5c62b5b0d38c9224d0204756ebb64126cccc

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