Malicious PDF — malware analysis report

Static analysis result for SHA-256 dc1e0c0460bcb068…

MALICIOUS

PDF

88.6 KB Created: 2021-02-12 19:39:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 369a186fde8875a3da5149ae4ea898bb SHA-1: 926a9402b2d2d46d8fd78e8c51fcdf2d52d261a8 SHA-256: dc1e0c0460bcb068ee8bd09922d2efc3744234f41ec67b97a9bb9e1328fd23b2
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 0.9995

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/wix?keyword=ray+of+clumsiness+d%2526d+3.5 PDF link annotation
    • https://junafoxotoroj.weebly.com/uploads/1/3/0/7/130738975/1775356.pdfIn PDF document text
    • https://cdn.sqhk.co/jomenuluz/hixpjgJ/67027492938.pdfIn PDF document text
    • https://pelepidavivi.weebly.com/uploads/1/3/1/4/131454492/gomukewilokedomizu.pdfIn PDF document text
    • http://klossheff.xyz/23824485471a1wym.pdfIn PDF document text
    • https://verefatodefi.weebly.com/uploads/1/3/4/7/134722939/8529783.pdfIn PDF document text
    • https://mefosenide.weebly.com/uploads/1/3/4/7/134715399/9778969.pdfIn PDF document text
    • https://cdn.sqhk.co/jipogidara/Yjegcij/ufc_254_fight_payouts.pdfIn PDF document text
    • http://brosbass.com/cual_es_el_pase_elite_de_septiembre_2020o9zlh.pdfIn PDF document text
    • http://secret-empire.ru/55657138271yxz5d.pdfIn PDF document text
    • http://italylife.pro/postgresql_manual_download3dqa9.pdfIn PDF document text
    • http://dawaferip.iblogger.org/68361609003.pdfIn PDF document text
    • https://cdn.sqhk.co/zexoribuj/gigN43n/face_masks_made_in_usa_with_nose_wire.pdfIn PDF document text
    • https://xufizuwerab.weebly.com/uploads/1/3/0/7/130738786/9874383.pdfIn PDF document text
    • https://cdn.sqhk.co/guwuweri/e3hcgdd/toca_train_apkpure.pdfIn PDF document text
    • http://sipamuxagiporen.iblogger.org/map_of_australia_states_template.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/nupotukig/98759678832.pdfIn PDF document text
    • http://zozikidifalov.epizy.com/meaning_of_academic_report_writing.pdfIn PDF document text
    • https://s3.amazonaws.com/fedojigudaj/10445857186.pdfIn PDF document text
    • https://s3.amazonaws.com/ladiwuzetawedi/baroness_arbutin_mask_sheet_review.pdfIn PDF document text
    • https://s3.amazonaws.com/tuxexi/malaria_thailand_guideline.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezux/bird_distress_calls_free.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_off00011270.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11270 4984 bytes
SHA-256: f16f79af36719104fa7f30f179505045959bc626796141c1b1c47ddc76ae4651
font_01_sfnt_off00012359.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12359 10416 bytes
SHA-256: 5cc90fcc3d0c1bcc20d9e1c97015cdfde52a05f4b68237a5e5b975521750dd51
font_02_sfnt_off0001470d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1470D 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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