Malicious PDF — malware analysis report

Static analysis result for SHA-256 02e7bfd08be632cd…

MALICIOUS

PDF

74.5 KB Created: 2021-02-20 19:09:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 01e57dd45ec4beb87509833d9b94350f SHA-1: 047589136741fd79f57d89675c015dfc5682214a SHA-256: 02e7bfd08be632cda7bf4652bec4d0c9bb6037eb1cc49e117d2946611bf30b9d
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document uses a cloud document lure, impersonating services like Google Drive, to trick users into clicking a link. The embedded URL points to a suspicious domain, and ClamAV detection confirms this is a phishing trojan. The ML classifier also strongly indicates maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Cloud document impersonation lure medium SE_CLOUD_DOC_LURE
    Document impersonates a cloud file-sharing service such as SharePoint, OneDrive, Google Drive, Dropbox, Box, or Microsoft 365 and asks the user to open, verify, or access a shared document
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://baarspo.ru/wix?keyword=the+lion+king+google+drive+mp4 PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4418013/normal_5ff62f232f627.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4388271/normal_5fde2af936dfc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385197/normal_60141889abe5a.pdfIn PDF document text
    • http://seomagnat1.online/85241361592umify.pdfIn PDF document text
    • http://whalesqpa.fun/libro_seduccion_jodi_ellen_malpas_deztf5r.pdfIn PDF document text
    • https://cdn.sqhk.co/kogujipubap/jIjbTd5/how_to_draw_audrey_from_descendants_2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4391340/normal_5fee6c6432af2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4405929/normal_60214ff7d337d.pdfIn PDF document text
    • https://cdn.sqhk.co/savaketiju/fiiigZ0/36957644726.pdfIn PDF document text
    • https://cdn.sqhk.co/gadukupuwe/ggjihiN/maparix.pdfIn PDF document text
    • https://cdn.sqhk.co/zewesifadeka/oihgejc/71976927474.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369143/normal_600274ec053fa.pdfIn PDF document text
    • https://cdn.sqhk.co/jarogofef/eggghhc/fevorupiduvux.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/nijudow/dandelion_plant_information.pdfIn PDF document text
    • https://s3.amazonaws.com/zesixefe/covalent_bond_naming_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/xefezesebusu/16295799164.pdfIn PDF document text
    • https://s3.amazonaws.com/ganubifirigevi/libuzamav.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_off0000e835.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE835 5148 bytes
SHA-256: af377224967bc74d468d298d7151845982a461945a3a6048f3dcce3ed501d43b
font_01_sfnt_off0000f999.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF999 10368 bytes
SHA-256: 67cea5f74eae8f6a516ef58f30af97c3576f3c363d1d90522f8703cba026cf8f

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