Malicious PDF — malware analysis report

Static analysis result for SHA-256 774f96e30ceac6ad…

MALICIOUS

PDF

712.9 KB Created: 2021-06-09 02:59:58 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: e2a4f757b345851b02b8b9fa4f02961d SHA-1: c70f73d445a86425cfef5da1bb3986c7c800432a SHA-256: 774f96e30ceac6ad2cb1390c25d30d57e8408aa7abde890c046b9c762dcb0111
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5691

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://ketchas.ru/pbw?utm_term=worlds+in+collision+pdf+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4446398/normal_5fd7b6c39a83d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4470975/normal_60ba6e9eb8a46.pdfIn PDF document text
    • https://gamalisixidu.weebly.com/uploads/1/3/5/9/135958628/d649815e56a38.pdfIn PDF document text
    • https://burigazipe.weebly.com/uploads/1/3/4/7/134764527/kevenewe-zenoseninu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4444884/normal_6059436c7c692.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4496616/normal_604a2f581afac.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489422/normal_5fdefc5a43601.pdfIn PDF document text
    • https://fotovotujipibar.weebly.com/uploads/1/3/4/2/134267097/8dc49fcaf42.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://gibuwodebu.pbworks.com/w/file/fetch/144527997/25791703492.pdfIn PDF document text
    • http://sawebaz.pbworks.com/f/9254117950.pdfIn PDF document text
    • http://wuxikadafi.pbworks.com/w/file/fetch/144883764/21743055817.pdfIn PDF document text
    • http://gaxoxim.pbworks.com/f/sasepanej.pdfIn PDF document text
    • http://zupelapowi.pbworks.com/f/cuales_son_los_productos_mas_vendidos_en_amazon.pdfIn PDF document text
    • http://guronavageba.pbworks.com/f/nujiwalerug.pdfIn PDF document text
    • http://fufitiruw.pbworks.com/f/27689649270.pdfIn PDF document text
    • http://zopujoxobug.pbworks.com/f/camera_360_apk_full_free_download.pdfIn PDF document text
    • http://gezebal.pbworks.com/f/31276534477.pdfIn PDF document text
    • http://molitutolu.pbworks.com/f/25338749532.pdfIn PDF document text
    • http://vimadutukad.pbworks.com/f/jegagaseruk.pdfIn PDF document text
    • http://luwapoveduvi.pbworks.com/w/file/fetch/144660273/pixel_art_photoshop_cs5_tutorial.pdfIn PDF document text
    • http://gosirata.pbworks.com/f/kojovexowujazusow.pdfIn PDF document text
    • http://dizugizup.pbworks.com/f/the_carrie_diaries_read_online.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000ad580.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAD580 5252 bytes
SHA-256: 2f87052bb50c320dc129d8930cb2cb47cf84e6cc3943d9d9f0c384dfa6cd8da6
font_01_sfnt_off000ae791.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAE791 12352 bytes
SHA-256: 6722ecc44dfc3dd267fc452d8dbe18c4554f5ee0e74d0f88df31e2cf6ba9fad5

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