Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9f7db4d9939adb5…

MALICIOUS

PDF

77.2 KB Created: 2021-02-19 16:40:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 3d92e7b93d721c68ba94b1c5ec7f30e2 SHA-1: 36a4494413a08178347e0e0407f2fd2fe9f0f5ad SHA-256: e9f7db4d9939adb5def0e269d3e49f1040e364f5277c990fe59041d4897c9ede
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-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://bologen.ru/wix?keyword=pain+free+pete+egoscue+pdf+free+download PDF link annotation
    • http://morpeoplelife.ru/antihistaminicos_clasificacionqheym.pdfIn PDF document text
    • https://cdn.sqhk.co/nalawanuxa/hQhg73v/blue_bunny_ice_cream_sandwich_nutrition_information.pdfIn PDF document text
    • http://reduslim-italiaoficial.site/zezigefejovomuwajz4bqj.pdfIn PDF document text
    • http://dreabling.online/sepulewa35xbk.pdfIn PDF document text
    • https://cdn.sqhk.co/taxeseta/jcvjbhc/5336999558.pdfIn PDF document text
    • http://dufusewepi.22web.org/freckle_juice_book_free.pdfIn PDF document text
    • https://cdn.sqhk.co/feluxolid/ijDjdhc/67562911904.pdfIn PDF document text
    • http://dle-tpl.site/windows_10_iot_enterprise_ltsb_2016gdlgi.pdfIn PDF document text
    • http://hotsales-com.xyz/243038054327x2jj.pdfIn PDF document text
    • http://nikecortez.net/diregovufih8jd.pdfIn PDF document text
    • http://mazafaka69pussy.online/perfect_aspects_of_verbs_worksheets_grade_5nlefh.pdfIn PDF document text
    • https://cdn.sqhk.co/zoxowowi/fidwgcN/nipikipaketawu.pdfIn PDF document text
    • http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/mubemutolewe/vozowerokafenapulabovu.pdfIn PDF document text
    • http://moxawaten.epizy.com/48155622561.pdfIn PDF document text
    • https://s3.amazonaws.com/sudevejerifu/autocad_2013_free_32_bit.pdfIn PDF document text
    • https://s3.amazonaws.com/niwotipugonuvoz/journal_article_format_apa.pdfIn PDF document text
    • https://s3.amazonaws.com/rotowan/fort_hood_shooting_2009_after_action_report.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_off0000e693.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE693 2036 bytes
SHA-256: dec7385a7ebf6f043cbf5fa6d4835a0b678d4c8e4173bfb6e27d04d4cb3e4def
font_01_sfnt_off0000f032.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF032 5416 bytes
SHA-256: bf5b9191fbe5ab93e0ea68e247e5b491b5635651486d59e9d6dd99e0b021c24d
font_02_sfnt_off000102c6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102C6 10720 bytes
SHA-256: f837e4d3cbbe56dc8f6a9f6c938666d4c850b374e25999b853bf0ecbceb35819

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