Malicious PDF — malware analysis report

Static analysis result for SHA-256 712029732fee1deb…

MALICIOUS

PDF

71.6 KB Created: 2021-03-15 21:59:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 46a129b0ebdde4a44782d8863fda94a6 SHA-1: bd4e9e01ab54ca5055a482c8ff2950eaca60daf8 SHA-256: 712029732fee1deb9ed28f1bb4f1e3119bf6ed6fa789cd2ebdd756b37b263c48
96 Risk Score

Malware Insights

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

This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to 'https://seumenha.ru/wix?keyword=ben+hulse+elementary+imperial+california', which is likely a lure to a malicious site. The document body is heavily obfuscated, but the presence of the URL and the detection signatures strongly suggest a phishing attempt.

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://seumenha.ru/wix?keyword=ben+hulse+elementary+imperial+california
    • https://static.s123-cdn-static.com/uploads/4403119/normal_5fdf7e5b834fe.pdf
    • https://cdn.sqhk.co/pivatiwon/ma6hhha/alertmanager_template_labels.pdf
    • https://cdn-cms.f-static.net/uploads/4495241/normal_60163334b2a3e.pdf
    • http://getallcreditscores.info/91497126791wgzva.pdf
    • https://cdn.sqhk.co/vopokemib/figjjhJ/54453766214.pdf
    • https://cdn-cms.f-static.net/uploads/4368736/normal_6034cd70b0946.pdf
    • http://meriline.store/waxijavitinetuleraxikuou2my.pdf
    • http://ueuniti.xyz/acknowledgement_template_for_internship_report4736a.pdf
    • https://cdn.sqhk.co/pemejurove/jijgugd/ombre_nail_pink_and_white_dip.pdf
    • https://static.s123-cdn-static.com/uploads/4420617/normal_5fcaa7c7e53a9.pdf
    • http://femonejigajape.mywebcommunity.org/dupajas.pdf
    • http://xutefizil.getenjoyment.net/wavojojuzujevogusu.pdf
    • https://cdn-cms.f-static.net/uploads/4366993/normal_60166a25dbe45.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/758de950-1948-4100-86f2-c901bd2c80f6/how_to_cite_internet_sources_apa.pdf
    • https://uploads.strikinglycdn.com/files/ce6accf6-ddcf-4f23-829e-9a3dde8432d3/molecules_of_emotion_candace_pert_free_download.pdf
    • https://uploads.strikinglycdn.com/files/bece5a61-8ed6-4aea-89ab-944848e66c09/what_percentage_of_polar_bears_are_left.pdf
    • http://fuluxewamotate.atwebpages.com/72717638945.pdf
    • https://0d3c4653-ec4b-4b04-9c20-59e348ba858e.filesusr.com/ugd/62200f_dd02e33042914623b9ca8328f3fef607.pdf?index=true
    • https://1ce8651a-bfbb-4b9a-b1bf-24b3b574775a.filesusr.com/ugd/ac72e0_db59f838db314adba2ddc292614b14da.pdf?index=true
    • https://uploads.strikinglycdn.com/files/e714d4db-82a7-4684-8826-f6a249aab925/all_in_book_mark_batterson.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_off0000d6c8.bin
987ddd43004e7d6d2fbef9733d632abd727dd4eb21e0ad8e65d0595eb98f2958		 pdf-font-stream PDF embedded font (sfnt) at offset 0xD6C8 5408 bytes
font_01_sfnt_off0000e908.bin
2d81e02dbb2df035bb9e32dbe52cec747c02a35c80be562cccb4c880952cee58		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE908 11768 bytes

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