Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0245a6126088b8c…

MALICIOUS

PDF

81.7 KB Created: 2021-03-21 00:14:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 78970a7ceda32c3f495d91f2eff1301e SHA-1: 1ebf84b83125ec52a90c27657c6ed5cba5b43bfa SHA-256: a0245a6126088b8c22333433be0087e81f9c280a47f8153cf34a5208a0650294
96 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a URL that appears to be part of a phishing or malware distribution scheme, disguised as a product manual. The ML classifier and ClamAV detection strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to redirect the user to a malicious site, likely for further exploitation.

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://soxebez.ru/wix?keyword=bissell+powersteamer+clearview+8806+manual
    • http://zodatowafe.getenjoyment.net/8_habits_of_highly_effective_person.pdf
    • http://lnstagramcopyrightcenter.com/36478165382c5dni.pdf
    • http://agreevudb.rest/aw_tozer_sermon_index0t14z.pdf
    • http://revershjtb.site/29852237280jfesg.pdf
    • http://study-english-05.site/compound_shapes_worksheet_answers_math-aids.com5r1xn.pdf
    • http://am-sound.ru/59474991637ebc1z.pdf
    • https://xorapuwo.weebly.com/uploads/1/3/0/8/130873927/c36a4b2.pdf
    • http://moekolechko.icu/sisters_thai_menu_rockfordtgk0y.pdf
    • https://zelerajolames.weebly.com/uploads/1/3/0/7/130776056/00a5f.pdf
    • http://konalofasu.mywebcommunity.org/lewujowufamugazofaf.pdf
    • http://fanilobepewe.sportsontheweb.net/a_cry_in_the_night_mary_higgins_clark.pdf
    • http://hotita.fun/why_is_kakashi_called_the_white_fanglkb70.pdf
    • http://lelekelosutov.getenjoyment.net/sigma_1200_bike_computer_wheel_size_chart.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/nufidibodudulad/87156274348.pdf
    • https://s3.amazonaws.com/kulinisokakewi/skyrim_xbox_one_x_load_order_2019.pdf
    • https://s3.amazonaws.com/gopifu/romantic_movies_like_fifty_shades_of_grey.pdf
    • http://jelunegizubu.atwebpages.com/nigeria_christmas_carol_songs_download.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_off0000ff15.bin
c63c3b25f9afc0577da73e3d15fc049d9130ca4b0f02fc7cd9bf9ac45fb822d3		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFF15 5772 bytes
font_01_sfnt_off000112b6.bin
ac8c009893cb30639dac25483b6e1e70f92176324bf685cf2edb46269b2dbf10		 pdf-font-stream PDF embedded font (sfnt) at offset 0x112B6 11532 bytes

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