Malicious PDF — malware analysis report

Static analysis result for SHA-256 8c980e33420bee10…

MALICIOUS

PDF

76.1 KB Created: 2021-04-04 07:51:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 4fe2d92bb27e28ba65918518b41c174a SHA-1: 18c815499d123324597a74479000cd4efb2c9801 SHA-256: 8c980e33420bee1059b8a1df4a1026bbfe7ab781f6454f4e846c1422b9b224fb
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-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://leonvi.ru/123?utm_term=netflix+apk+for+android+tv+latest+version PDF link annotation
    • http://nonretloli.site/big_fish_casting_agencylfa4i.pdfIn PDF document text
    • http://amorexpo.com/76254181984t7ino.pdfIn PDF document text
    • http://steblin.pro/arithmetic_reasoning_questions_answers2yiwt.pdfIn PDF document text
    • https://jedopebo.weebly.com/uploads/1/3/4/8/134889916/paduxiniwijupane.pdfIn PDF document text
    • https://cdn.sqhk.co/minofavazu/jggjDif/adidas_nmd_r1_v2_white_solar_red.pdfIn PDF document text
    • https://topalezomezo.weebly.com/uploads/1/3/4/3/134305389/3798189.pdfIn PDF document text
    • https://cdn.sqhk.co/bomemenun/icWTqjc/gorofitukape.pdfIn PDF document text
    • https://sudarotabodubig.weebly.com/uploads/1/3/1/4/131407445/5106105.pdfIn PDF document text
    • http://jibakerutev.mypressonline.com/semozo.pdfIn PDF document text
    • https://wutuzorul.weebly.com/uploads/1/3/5/9/135963099/5940155.pdfIn PDF document text
    • http://sale-siberian-force.online/4008738671e4rzk.pdfIn PDF document text
    • https://cdn.sqhk.co/famagafe/xijoiix/countryballs_germany_history.pdfIn PDF document text
    • http://deflecfcvy.best/birdy_grey_dresses_dusty_blue0gwce.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xewamejixolefaj/58479152456.pdfIn PDF document text
    • https://s3.amazonaws.com/nerugiraxura/nemesis_service_suite_nokia_free.pdfIn PDF document text
    • https://s3.amazonaws.com/zalomi/75565324266.pdfIn PDF document text
    • https://s3.amazonaws.com/fopalew/video_er_for_instagram_apk_inshot_inc.pdfIn PDF document text
    • http://keregimuw.onlinewebshop.net/35679097300.pdfIn PDF document text
    • https://s3.amazonaws.com/sugowubuf/blank_food_pyramid_worksheet.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_off0000e292.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE292 5196 bytes
SHA-256: ce1d50f2ac26956f6b379d5bba4f34184b6b6e3c516d7f6a1fdc398a4f23694c
font_01_sfnt_off0000f45f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF45F 1800 bytes
SHA-256: 6d2a3a16cc464ce72cf05976c7f96a31c93af2202e0dc760c37a694345e222ee
font_02_sfnt_off0000fcef.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCEF 10452 bytes
SHA-256: 4e944acdc23fe51f91ccfef8fc7a3283da6f7c60ae61902946668e7a0af3c443

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