Malicious PDF — malware analysis report

Static analysis result for SHA-256 53d27527d240df9b…

MALICIOUS

PDF

352.0 KB Created: 2021-03-26 07:36:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 178153f99ed3f68674b3af760fa42186 SHA-1: 62306bc5e7ee7d8295c7046c0133e756be2c61f8 SHA-256: 53d27527d240df9b39ea18230704b767734e024f573a1a89ca734f9e82ba88b0
94 Risk Score

Malware Insights

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

The PDF contains an embedded URI pointing to a suspicious domain, and ClamAV detection confirms it as a phishing trojan. The document body, though heavily obfuscated, contains text related to 'new english adventure movies free', likely a lure to direct the user to the malicious URL. The presence of embedded URLs and the ML classifier's high score indicate a strong likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8006

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://ponafet.ru/123?utm_term=new+english+adventure+movies+free
    • https://cdn.sqhk.co/kejofuvata/gfjdf7C/bobitiriwaxato.pdf
    • https://zasevolonuto.weebly.com/uploads/1/3/5/3/135335071/4215914.pdf
    • http://sokorimelizopa.iblogger.org/19871235074.pdf
    • https://cdn.sqhk.co/vusutazomaga/bvjaheh/83043529045.pdf
    • https://cdn.sqhk.co/dolitife/7hijdhh/57249103504.pdf
    • https://cdn.sqhk.co/gixelotopa/ijdjhjj/tegefuzurowelusekib.pdf
    • https://tugivopufik.weebly.com/uploads/1/3/4/3/134348802/a09fcdfa137feac.pdf
    • https://cdn.sqhk.co/wuwexosul/hfMjdgi/exorcist_movies_ranked.pdf
    • https://cdn.sqhk.co/vemetafije/dmjaifl/jordan_retro_9_racer_blue_grade_school.pdf
    • https://cdn.sqhk.co/kixagixupo/Yjgxm5k/10847682956.pdf
    • https://cdn.sqhk.co/tobamozusaj/jcTPemp/36332064703.pdf
    • http://duzegipim.22web.org/28908487759.pdf
    • https://cdn.sqhk.co/giganopof/hjjgedS/pogs_for_sale_uk.pdf
    • https://cdn.sqhk.co/zubafena/tjarUig/flipping_a_coin_probability_worksheet.pdf
    • https://vafomelopujoxo.weebly.com/uploads/1/3/4/8/134864043/1dde734e11c8.pdf
    • https://tebudewuve.weebly.com/uploads/1/3/2/6/132683230/5905840.pdf
    • https://cdn.sqhk.co/mixagumidis/jg9ojj1/74798211311.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://s3.amazonaws.com/tuxexi/88517314253.pdf
    • https://s3.amazonaws.com/xubifupi/xevibimobepefedubizufopil.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0001a629.bin
3a9053a93cf1b3cdc6f91c84b283e7eb7fc8bb7556d6aff2907ee913c060f2a9		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1A629 318756 bytes
font_01_sfnt_off000546c2.bin
10d5ebb97343f7ae02b946c7f8a52ff22cb8ffd758c3ce6aee14d215d9bcef4c		 pdf-font-stream PDF embedded font (sfnt) at offset 0x546C2 5440 bytes
font_02_sfnt_off0005593b.bin
9c589f6ead5ca3778723ffd1ec974df7e19babab734db9fd9aca4a2a5f6a2f63		 pdf-font-stream PDF embedded font (sfnt) at offset 0x5593B 11176 bytes

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