Malicious PDF — malware analysis report

Static analysis result for SHA-256 568226b68f3b022f…

MALICIOUS

PDF

66.8 KB Created: 2021-02-12 02:14:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 8ab8f4d08d5d519fd845dc0519305bf2 SHA-1: af817a96db8c1cb85dfe18347a7a9bc0cbc01a5c SHA-256: 568226b68f3b022ff366bb434ba2d34d1fee766538ac048c86a273e36bc54105
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an embedded external URI pointing to 'https://leonvi.ru/123?utm_term=vastu+purusha+mandala+in+temple+architecture', which is a strong indicator of a phishing or malware distribution attempt. The document body is heavily obfuscated and unreadable, suggesting an attempt to hide its true purpose.

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://leonvi.ru/123?utm_term=vastu+purusha+mandala+in+temple+architecture PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4476768/normal_601704f3162c3.pdfIn PDF document text
    • http://centerbluebadge.com/rigizikatuxufejipe3pf07.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4384831/normal_600d1d75085d1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489732/normal_600b6b2f7396c.pdfIn PDF document text
    • http://sethel.xyz/72375507035ttp2l.pdfIn PDF document text
    • http://vkrowl.com/xobevivalido44p5y.pdfIn PDF document text
    • http://pesale.pro/asus_prime_b450m-_k_motherboard_manualvyf2e.pdfIn PDF document text
    • http://shortsomfj.space/61277976672nj4du.pdfIn PDF document text
    • http://okstore.info/27588773945gp0bx.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/zuxime/python_programming_language_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/60950668144.pdfIn PDF document text
    • http://pakilapawunafep.epizy.com/android_game_controller_near_me.pdfIn PDF document text
    • http://kexomuradalo.rf.gd/hammerson_annual_report_2017.pdfIn PDF document text
    • http://ferurexage.epizy.com/recycler_view_in_android_kotlin_example.pdfIn PDF document text
    • https://s3.amazonaws.com/panalipolifod/tufidebegulalitiposewuf.pdfIn PDF document text
    • http://pavunununege.epizy.com/astonishia_story_psp.pdfIn PDF document text
    • https://s3.amazonaws.com/zeworibuzoza/les_contes_interdits_blanche_neige_gratuit.pdfIn PDF document text
    • https://s3.amazonaws.com/sigobija/60931297530.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000caa3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCAA3 5276 bytes
SHA-256: c0bfbe31670d9c2c72238cd5cbf54736ca60788a4d2fdf0c18241700398dd911
font_01_sfnt_off0000dc6a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC6A 9712 bytes
SHA-256: e30b0fa5955615c0ee3d30dad9645e67d2cbff3b31d6d15215ad91ed6536fd45

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