Malicious PDF — malware analysis report

Static analysis result for SHA-256 8ebc528416816acd…

MALICIOUS

PDF

154.6 KB Created: 2022-05-29 07:58:28 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2022-07-15
MD5: e9745a63732b7f715ec9fcd1c452be30 SHA-1: 420e5d027cfe26635aee03ed496bc33ed2418fb3 SHA-256: 8ebc528416816acd815bd818f46808394ed9dbff7e06e100a8b53cc887f4940a
104 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains embedded JavaScript and an external URI pointing to a suspicious domain, strongly indicating a phishing attempt. ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment. The embedded URL is the primary indicator of the phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8194

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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://lazav.co.za/XSRYdR1H?utm_term=escala+de+daniels+modificada+fuerza+muscular+pdf+download+pdf+gratuit
    • https://dujaporugegebo.weebly.com/uploads/1/3/4/3/134314108/mimesebojixazix_wamaximunodopu_nofasige.pdf
    • https://xizenebijebis.weebly.com/uploads/1/3/2/3/132303300/68c17ecc6c322.pdf
    • http://kfbma.org/files/fck/file/bifafi.pdf
    • https://xenewonunawof.weebly.com/uploads/1/3/2/7/132740417/8177650.pdf
    • https://faxefijuw.weebly.com/uploads/1/3/1/8/131872096/198546.pdf
    • http://ziconiavip.com/uploadfck/file/52232764612.pdf
    • http://educaholistica.com/resources/img/imagesck/files/penejesezekon.pdf
    • http://kama-msm.ru/storages/file/94592206973.pdf
    • https://pekumovulimezel.weebly.com/uploads/1/3/4/3/134363026/nowad_kuwevusudaj_pedosivu_zinaz.pdf
    • https://gagasanriau.com/a450d92cb6be01b3b3669c18bfca7901/kcfinder/upload/files/6086229294.pdf
    • https://kingsnews.org/app/webroot/js/image/files/17368942431.pdf
    • https://gazisaki.weebly.com/uploads/1/3/4/3/134371182/vupenofu.pdf
    • https://sivowudu.weebly.com/uploads/1/3/7/5/137513174/jaxavifom.pdf
    • https://zagi.hr/files/waboladavetud.pdf
    • http://onnetsolution.in/userfiles/file/xakapo.pdf
    • https://fufudexun.weebly.com/uploads/1/3/5/3/135317209/lopibogumeb_xuket_jokubevuvaj.pdf
    • https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/161fc552d90e62---lufadesipunijuxure.pdf
    • https://miwebuzoz.weebly.com/uploads/1/3/4/0/134095964/dobizizigunojidol.pdf
    • https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/bfdbbed11d88a3e548b46213a0867bdd/1666208497.pdf
    • http://wmasgroup.com/userfiles/file/94744598612.pdf
    • http://gediklimakinahidrolik.com/resimler/files/97795777488.pdf
    • https://xigoduturiza.weebly.com/uploads/1/4/1/6/141681630/pusarodim_potufilu_sorevosu.pdf
    • http://ggbris.com/slbdavbatala/userfiles/file/nupumupasag.pdf
    • https://sanmuabancongty.vn/images/content/files/vegixekele.pdf
    • https://mm-podium.ro/userfiles/file/sajisag.pdf
    • https://fusavufotopos.weebly.com/uploads/1/3/4/6/134634064/sekaxilaru_kixamage_duxeputifopewem.pdf
    • http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1627bc3c0e0ef1---87254576987.pdf
    • http://wish-pharma.com/upload/files/59806251349.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

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001fa25.bin
9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1
pdf-font-stream PDF embedded font (sfnt) at offset 0x1FA25 16792 bytes
font_01_sfnt_off00021237.bin
b8d7ecf9afd90921b3f4d2606e0d5874c1b09d6bf95bcb0a889357ce16f55b93
pdf-font-stream PDF embedded font (sfnt) at offset 0x21237 17320 bytes
font_02_sfnt_off00023e3a.bin
9d59be748fc56543bcb8ad478b461715f999381157864d1fb1082e8db7ea65d9
pdf-font-stream PDF embedded font (sfnt) at offset 0x23E3A 11192 bytes