Malicious PDF — malware analysis report

Static analysis result for SHA-256 e3e10c40603175e6…

MALICIOUS

PDF

113.9 KB Created: 2021-04-03 05:46:24 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 197d5ab05be75fc51bfe07023eb626c0 SHA-1: 7057f6d2bc9fd8e069f059a9086a292a1e435891 SHA-256: e3e10c40603175e6c4f8cbede03efb2392951e655782b5a5f543bf18eb8bcadc
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 numerous embedded URLs, with one prominent URL suggesting a lure related to 'Hadith bukhari pdf in english'. The presence of external URIs and the overall detection pattern indicate a phishing attempt designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://jottigo.ru/award?keyword=hadith+bukhari+pdf+in+english
    • https://cdn.sqhk.co/tekonunise/hbWwhji/smart_goals_for_students.pdf
    • http://wovuwukotuvoxi.mygamesonline.org/64688777816.pdf
    • http://dipazekonowa.mypressonline.com/998486378.pdf
    • http://invitesistem.ru/spanish_alphabet_worksheet86m3o.pdf
    • http://paselon.getenjoyment.net/a_little_history_of_the_world_book_review.pdf
    • https://cdn.sqhk.co/wimiwupo/i5ij8jb/juxemekoxeguvipok.pdf
    • http://rugegav.mywebcommunity.org/56884282070.pdf
    • http://toxipoxekej.medianewsonline.com/lincoln_140_mig_welder_best_price.pdf
    • http://xutexukoxobofi.mywebcommunity.org/pivexexona.pdf
    • https://cdn.sqhk.co/febowozefu/djiAgif/23180399450.pdf
    • https://cdn.sqhk.co/veletafi/p9icxie/takebexose.pdf
    • http://hot-money.fun/what_kind_of_charger_does_a_galaxy_s5_use6jo92.pdf
    • http://jadebey-x.com/how_to_use_excel_2013_formath1wep.pdf
    • https://cdn.sqhk.co/sebuwemid/ec17PMS/classic_games_arcade_emulator_mod_apk.pdf
    • http://idclick.cash/gitimejog7srte.pdf
    • http://bulubuzigajuzar.getenjoyment.net/best_exercise_program_for_40_year_old_woman.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://balubusepebibi.rf.gd/95136744198.pdf
    • http://zodejudefafu.epizy.com/bovez.pdf
    • https://s3.amazonaws.com/bawalidamovidud/fejigepi.pdf
    • https://s3.amazonaws.com/wifukedot/ring_size_guide_canada.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://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License
    • http://scripts.sil.org/OFL

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off0001841d.bin
f107c2bd81be6c6398ff520c6eb7842460a3cadf7014871d277c9aec80badd56		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1841D 22960 bytes
font_00_sfnt_off00014864.bin
9fbd0ab03aa746fdf1676208c2eaa9a3e5ea94bf2f5348e5cbcdf6f1d457040d		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14864 5240 bytes
font_01_sfnt_off00015a1f.bin
0666af14c7257554656b267545925bf1049abe63fdbf01964c3359c925ee721c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15A1F 12876 bytes
font_03_sfnt_off0001abc9.bin
1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1ABC9 4324 bytes

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