Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee27bbb8ddbb6f7d…

MALICIOUS

PDF

92.3 KB Created: 2021-05-06 11:48:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 23b26d1e2e3f383a8932c4e0aa7adc37 SHA-1: 7389a7974bbd7a5649887e5c2616d6a5217db049 SHA-256: ee27bbb8ddbb6f7d332035ce1dafc6aec2e1f70caf6f639141e0fbf44166c848
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that masquerades as a search result for a popular movie, likely intended to trick users into visiting a malicious site. ClamAV and ML classifiers strongly indicate this PDF is malicious, with the embedded URL being a primary indicator of a phishing or malware distribution attempt. No scripts were extracted, but the presence of numerous suspicious URLs suggests a watering hole or phishing campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://drafthe.ru/uplcv?utm_term=minions+3+movie+tamil+dubbed
    • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/11c13ae09737e9663a4dae9bfad767b7/noxobe.pdf
    • https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7c54efe91---purego.pdf
    • https://misionesmedellin2030.com/wp-content/plugins/super-forms/uploads/php/files/0q2ttb5ou75qi9hkffc5gm1s86/balozikofetunelujibido.pdf
    • https://oneremote.ru/wp-content/plugins/super-forms/uploads/php/files/a205610069243bb86a9b6fc564839ecb/vuvurex.pdf
    • http://www.sempresaude.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608815778a13f---65862839717.pdf
    • http://altelaw.com/uploads/image/file/kirujetosakobajif.pdf
    • http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16089419663303---64525345872.pdf
    • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/ca90b886c0cb3e61b3e35685fc65ed5f/nefejodirebuwaw.pdf
    • http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160932f7cc475e---22280756473.pdf
    • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/16085087f9d9f7---wajupudezes.pdf
    • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160915dbc1999d---dimuwexojo.pdf
    • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/f9f9d8cbbb5b86ca20962c41dce807df/62766247725.pdf
    • https://a2designbg.com/userfiles/file/81813040024.pdf
    • http://livestreaming.group/wp-content/plugins/super-forms/uploads/php/files/bpc8thbk0a0eevdd8s6sqsshkobo0vti/satuvam.pdf
    • https://lllk.ru/wp-content/plugins/super-forms/uploads/php/files/cb5c445018d43ac32930929989547fa2/xagela.pdf
    • http://fedorahosted.org/lohit
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • 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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000f31c.bin
d8dd2698ead9ba3c474b1a4ff670ea9a82330bfe877e4c27f6542fa8d9db3df6		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0xF31C 13184 bytes
stream_005_off0001391b.bin
ee2c47a68cea4a2a530033a76054b92ecb4512ac133ffb02b67303fd83d5d340		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1391B 24200 bytes
font_00_sfnt_off0000e14c.bin
e3c062349a69485465c7e54f715c4096c56dbf0346ca69d7ddb6a3f3277d9876		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE14C 5244 bytes
font_02_sfnt_off0001121a.bin
679f854599bc62b7f45a8695fb4f7e6c549ad1706197bf32f32b9bf8df20d19e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1121A 11444 bytes

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