Malicious PDF — malware analysis report

Static analysis result for SHA-256 2ae1bb60978fc8a5…

MALICIOUS

PDF

79.3 KB Created: 2021-03-22 06:22:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a13f1fba7949ca2f6baa2dc2df904a6e SHA-1: e24ef6756d73016c742e47cc08d7bf8c50408e0a SHA-256: 2ae1bb60978fc8a5d8cf50cc232dec58b09daea6b98305e999012be863254b47
96 Risk Score

Malware Insights

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

The PDF document contains an embedded URL that points to a suspicious domain, identified by heuristics as a potential phishing or malware distribution vector. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the presence of external URIs and the overall detection suggest the document is designed to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://kuzutuzo.ru/strik?utm_term=in+the+heart+of+the+sea+book
    • https://cdn.sqhk.co/mujekesire/y52ighe/bubble_pet_bubble_shooter_2.pdf
    • http://grizhoff.ru/vumibevonojgs4lg.pdf
    • http://bigigog.22web.org/biosynthesis_of_flavonoids_acetate_pathway_and_shikimic_acid_pathway.pdf
    • http://repuvelu.22web.org/maziladazavezuginimebor.pdf
    • https://cdn.sqhk.co/jesotipo/ieigjhj/dmv_permit_practice_test_questions_and_answers.pdf
    • http://kalidejomepajo.scienceontheweb.net/change_to_word_zamzar.pdf
    • https://cdn.sqhk.co/pegebatanuz/m7LowXn/38147195375.pdf
    • http://kapusta.pro/738124798012r9ys.pdf
    • http://rawitotizoxuk.scienceontheweb.net/94822294737.pdf
    • http://tefuvawilutir.mypressonline.com/roridokolerewibukuwo.pdf
    • http://xaredazisom.mywebcommunity.org/bixuxitofawomarok.pdf
    • http://lamisorosasam.mywebcommunity.org/centrifugal_compressor_operation.pdf
    • http://esagafow.fun/aurangzeb_alamgir_history_in_urduoonmc.pdf
    • http://wejowadizabudex.mypressonline.com/78551611914.pdf
    • https://cdn.sqhk.co/kemivabesu/hjcDQdj/o_que__e_movimento_uniforme_variado.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://panurimo.epizy.com/vurulasedojumu.pdf
    • http://gepuxaxevo.rf.gd/vesuporudekemexeguvobawe.pdf
    • http://xobebol.onlinewebshop.net/41935115846.pdf
    • http://gaxubamodenev.epizy.com/samsung_ah59_soundbar_bluetooth_pairing.pdf
    • http://zivikabazixo.epizy.com/vewugawelanolesovi.pdf
    • http://dopovis.myartsonline.com/reganikagadabomelufoj.pdf
    • http://sebokegekesuded.atwebpages.com/mist_fmge_notes.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ebb6.bin
c03167e3e399a9225d1d9bc50745ce3e0c38746296e6ea89f959bf005db12ce2
pdf-font-stream PDF embedded font (sfnt) at offset 0xEBB6 4704 bytes
font_01_sfnt_off0000fb97.bin
e92acf28568dd6242c30429907a4ee9e68c3d53eeaabdbd0166aa16338acbadc
pdf-font-stream PDF embedded font (sfnt) at offset 0xFB97 11284 bytes
font_02_sfnt_off000121f9.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333
pdf-font-stream PDF embedded font (sfnt) at offset 0x121F9 4324 bytes