Malicious PDF — malware analysis report

Static analysis result for SHA-256 0d651815ee3eef5a…

MALICIOUS

PDF

84.0 KB Created: 2021-04-05 23:59:19 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5ac224188e7c46dd494324829a1ac254 SHA-1: d945d29e0da28b643033a6354806fad3b13edeb8 SHA-256: 0d651815ee3eef5a3f96d075b603f588add3185bfe336e62e8b2e5105f04b0d2
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to 'https://ponafet.ru/wix?keyword=iris+agate+ring', which is likely part of a phishing or malware distribution scheme. The document body is heavily obfuscated, but the presence of external URIs suggests an attempt to redirect the user to a malicious site.

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://ponafet.ru/wix?keyword=iris+agate+ring
    • http://zaximudetebase.iblogger.org/manualidades_de_halloween_faciles_con_papel.pdf
    • https://cdn.sqhk.co/wuvotalek/fsjjjew/46855574181.pdf
    • https://cdn-cms.f-static.net/uploads/4379726/normal_604a58e28ee71.pdf
    • http://gagigijaloj.22web.org/maxijubije.pdf
    • http://vasowenotaruso.22web.org/darksiders_3_new_game_plus_trophy_guide.pdf
    • http://lewizakadogera.iblogger.org/penny_stocks_to_buy_now_canada_reddit.pdf
    • https://cdn-cms.f-static.net/uploads/4393483/normal_60493a9c63b05.pdf
    • https://cdn.sqhk.co/lasijutag/itkgiRd/63123043511.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/24c6fad8-3bd6-4f70-a7d6-8e3236659239/46541565583.pdf
    • https://uploads.strikinglycdn.com/files/a7869d7a-8905-4dea-a5ed-a8f1392f5bad/nourishing_traditions.pdf
    • http://misinaguzorolul.epizy.com/kurumejuwejanedugolev.pdf
    • http://xezevoxanomidul.rf.gd/ambrosia_magazine.pdf
    • http://tazufixurudem.epizy.com/how_to_trade_interest_rates.pdf
    • https://uploads.strikinglycdn.com/files/e0ba7067-f811-430d-8cc4-9f85658e44b1/chick_fil_a_menu_nutrition_honey_roasted_bbq_sauce.pdf
    • http://rikulovesemura.rf.gd/dafopogipatobemak.pdf
    • http://pezomovororiz.rf.gd/65349869972.pdf
    • https://uploads.strikinglycdn.com/files/3351f953-12e5-4f57-8883-c7dbc71bbc97/866540837.pdf
    • https://uploads.strikinglycdn.com/files/b35fad0e-6543-4af6-8224-4383cae23312/plantronics_cs510_bluetooth.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00010c24.bin
eccc2336ef3858dc2cd4c7ae6cd7fd2f78517e05de2641ceea3ee47eba75a089
pdf-font-stream PDF embedded font (sfnt) at offset 0x10C24 4760 bytes
font_01_sfnt_off00011c60.bin
c1a9f445df81d6809244fca6b1729dd73093f8230fe2ba0be0cb09f3d042eb61
pdf-font-stream PDF embedded font (sfnt) at offset 0x11C60 10992 bytes