Malicious PDF — malware analysis report

Static analysis result for SHA-256 e1371ed6daee1aba…

MALICIOUS

PDF

63.6 KB Created: 2021-02-20 06:44:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-14
MD5: f9b58f52971c428a23302f225e3b0cb5 SHA-1: 7d06295aa2e44d3a86d1c519253da356e427bfb3 SHA-256: e1371ed6daee1abac6707f8be93aaa7cdf1e7624dd6816f5b3dde83aa87b02ea
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, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing site. The document body, though heavily obfuscated, appears to contain product-related text, suggesting a lure to trick users into clicking the malicious link.

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://leonvi.ru/strik?utm_term=seiki+32+inch+tv+se32hy PDF link annotation
    • https://cdn.sqhk.co/tifozeborot/xie2Khb/lafigari.pdfIn PDF document text
    • https://cdn.sqhk.co/kunagukojoxu/jajhKje/nijagoje.pdfIn PDF document text
    • https://cdn.sqhk.co/novupezezis/eaqyQid/veburaxikelapofoj.pdfIn PDF document text
    • http://giveaway2020.info/pizufolegolibiwexufalafehuj0i.pdfIn PDF document text
    • https://cdn.sqhk.co/sowodopevew/0ghiaY0/world_war_2_strategy_games_online.pdfIn PDF document text
    • http://zotagur.22web.org/transformers_prime_bulkhead_x_reader.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/pomaxa/guideline_android_design.pdfIn PDF document text
    • http://vavijirodujozi.rf.gd/9628428394.pdfIn PDF document text
    • https://s3.amazonaws.com/tanikanaw/53532864469.pdfIn PDF document text
    • http://mapureju.epizy.com/aye_mere_humsafar_baazigar_song_free.pdfIn PDF document text
    • https://s3.amazonaws.com/falevi/lippen_schweigen_sheet_music.pdfIn PDF document text
    • http://buzatagijekoj.rf.gd/jnu_chargesheet.pdfIn PDF document text
    • http://runapapaxezupow.rf.gd/glencoe_geometry_chapter_10-_8_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tonisefoteka/39432073289.pdfIn PDF document text
    • http://rokusagotigenov.rf.gd/texararune.pdfIn PDF document text
    • http://posijibanif.epizy.com/access-_control-_allow-_origin_chrome.pdfIn PDF document text
    • https://s3.amazonaws.com/jazamerijekufol/gezisi.pdfIn PDF document text
    • http://rimugerumu.rf.gd/14151476174.pdfIn PDF document text
    • https://s3.amazonaws.com/zoromexemuzid/churiyan_jassi_gill_video_song.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000bb39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB39 5176 bytes
SHA-256: f75cd5a5d1b1a4c4592bbbc4b112eecf76d2264560f052797bc59e488de462f4
font_01_sfnt_off0000ccec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCCEC 10316 bytes
SHA-256: e50e74cead02d378234b4e512dd9fb1fc0789d4df533e6172168f4f5e03d2ad8

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