Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b8bafa10f19d85b…

MALICIOUS

PDF

75.0 KB Created: 2021-03-23 22:14:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: babe27d84df6d4f739e87b8bc0a88795 SHA-1: 01b9665b74d76811c9f1a29247b78517f09f14a8 SHA-256: 0b8bafa10f19d85b7ca54eb6572ae054b4b3d444eedfb6fc9c8a63f80162c935
94 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The presence of an external URI pointing to a suspicious domain suggests a phishing or malware distribution attempt. Although no scripts were extracted, the PDF structure and embedded URLs are indicative of a social engineering attack designed to trick users into downloading further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8034

Heuristics 3

  • 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
  • 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/award?keyword=bird+aviary+plans+pdf
    • http://mon-cmbretagne.com/575259444916f5t3.pdf
    • http://genusadnlo.space/laluwozepurubimixbgzj1.pdf
    • https://pirodiditabun.weebly.com/uploads/1/3/0/9/130969169/d3f39501.pdf
    • http://the-job.ru/dofesematafapa31fd6.pdf
    • http://sweetmeet.online/adguard_premium_apk_3._2._119we6tl.pdf
    • https://fajizaxaro.weebly.com/uploads/1/3/1/3/131381717/kumupoli.pdf
    • http://levotavo.scienceontheweb.net/4489416221.pdf
    • http://lasns.fun/vefoxusudu66m7w.pdf
    • http://wowitaly.pro/nzm_hikmet_ksa_iirleriywr7s.pdf
    • http://mx50off.info/best_spanish_frequency_dictionarytuikx.pdf
    • https://vufosaxirit.weebly.com/uploads/1/3/4/0/134018891/jalipokebiwodada.pdf
    • http://migipobazu.mypressonline.com/calendario_2020_colombia_para_imprimir.pdf
    • http://dlkmvkoenv.info/xironepegedetigaxasoyx9ve.pdf
    • http://fuvidevifa.scienceontheweb.net/announcement_memo_sample.pdf
    • https://dedolodaramolon.weebly.com/uploads/1/3/1/4/131455072/ca2559e6b9dab76.pdf
    • https://xikudamoxi.weebly.com/uploads/1/3/4/5/134576601/tutetev.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/timeziso/46664357982.pdf
    • http://sifebitufol.onlinewebshop.net/little_book_of_currency_trading.pdf
    • https://s3.amazonaws.com/bufexa/57386337949.pdf
    • https://s3.amazonaws.com/wukevirenesu/kentucky_ktap_guidelines.pdf
    • http://garaben.rf.gd/brayton_cycle_efficiency.pdf
    • https://s3.amazonaws.com/jolituzoji/46043855994.pdf
    • http://fixadamobus.epizy.com/abstract_algebra_problems.pdf
    • http://wuriwafu.epizy.com/platforma_obywatelska_program.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00011090.bin
0842b49a7d39e69a83fbb9b0d223884c872c7a625f42e6568d415e2150cc9d72		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11090 5244 bytes

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