Malicious PDF — malware analysis report

Static analysis result for SHA-256 9eed0da5f7d56460…

MALICIOUS

PDF

89.1 KB Created: 2021-03-03 17:54:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 43bb126ba35a3f2fcb7e13e9743890a5 SHA-1: 17074a730fc992a4c8edff992e5dfae1e8bf1dac SHA-256: 9eed0da5f7d56460f2fd09a210be1d9e8ac79855a14b5c52a16a6b18000e130b
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 0.9997

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://jacksth.ru/123?utm_term=how+to+be+a+graphic+designer+without+losing+your+soul+deutsch PDF link annotation
    • http://narelavupes.22web.org/68481031489.pdfIn PDF document text
    • http://dunizajo.66ghz.com/canyon_bottom_bracket_cable_guide.pdfIn PDF document text
    • https://cdn.sqhk.co/talokelom/i6gdc4m/65897155282.pdfIn PDF document text
    • http://govugododuwo.iblogger.org/9222263435.pdfIn PDF document text
    • https://cdn.sqhk.co/vewukiziwemi/hiTu5nW/wegojotosedenivejiw.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://nufufud.epizy.com/baby_relaxing_music_free.pdfIn PDF document text
    • http://judilawazawu.epizy.com/xobujelewu.pdfIn PDF document text
    • http://punazujekir.epizy.com/tinadijuvizeletuw.pdfIn PDF document text
    • https://s3.amazonaws.com/retisovojor/berotopefutebetesavatibe.pdfIn PDF document text
    • http://durapufagumupo.rf.gd/english_album_1080p_video_songs.pdfIn PDF document text
    • https://s3.amazonaws.com/dewutexorob/blake_lively_family_template.pdfIn PDF document text
    • https://s3.amazonaws.com/rakabexozu/lagu_albert_fakdawer_hari_hari_hidup.pdfIn PDF document text
    • http://nulitapa.rf.gd/electricity_and_magnetism_are_related._true_false.pdfIn PDF document text
    • http://tibugesifavetel.epizy.com/5e_fighter_battlemaster.pdfIn PDF document text
    • https://s3.amazonaws.com/tolivajupeku/the_importance_of_being_earnest_cliff_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/donukadizolin/4187637877.pdfIn PDF document text
    • https://s3.amazonaws.com/wolina/budgeting_software_free_windows_10.pdfIn PDF document text
    • https://s3.amazonaws.com/satuja/sugitikugenelufiwivisi.pdfIn PDF document text
    • https://s3.amazonaws.com/xamibebulosaxug/20668035389.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_off000110f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110F4 5512 bytes
SHA-256: 341141ed0adea8b901f8795ff0ecdee926e63d6ed9bc88053fbe255c63ddc366
font_01_sfnt_off000123b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x123B5 10844 bytes
SHA-256: e6765bc457207717d8ce8a1cd55d5c59d315e58dfcdf61c580761aee8c8b4bfc
font_02_sfnt_off00014884.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x14884 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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