Malicious PDF — malware analysis report

Static analysis result for SHA-256 298f7cc6d3e1b27d…

MALICIOUS

PDF

80.7 KB Created: 2021-03-10 18:16:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: dc67b1c903b5e9c7169383f7cd1a02cd SHA-1: ad4ea21dd7d7cff6454a942b7e5ba28673b99d8b SHA-256: 298f7cc6d3e1b27d7d218664fb97e1efc1375c03de6dd384ae5cf43f760a2061
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as Pdf.Phishing.Trojan. It contains an embedded URI pointing to a suspicious domain, 'soxebez.ru', which is likely part of a phishing or malware distribution scheme. The document body, though partially corrupted, suggests a lure related to 'Seth curry brother net worth' to entice users to click the malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9995

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://soxebez.ru/aws?utm_term=seth+curry+brother+net+worth PDF link annotation
    • http://kexolifowuj.medianewsonline.com/kaplan_gmat_math_workbook.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4453335/normal_60150eb0bc90f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419820/normal_5ff4cb28c1239.pdfIn PDF document text
    • https://cdn.sqhk.co/mojubemuwek/9yhcaic/ikea_near_me_opening_hours.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369512/normal_5fe00b245aab6.pdfIn PDF document text
    • https://cdn.sqhk.co/fotinegataso/ghibidV/kazatuda.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369317/normal_60080b8b79e17.pdfIn PDF document text
    • http://italiahot.space/what_are_the_main_rivers_in_francezajp3.pdfIn PDF document text
    • http://sosyaltakipcipanelin.com/187619345611y0k.pdfIn PDF document text
    • http://bt-management.website/rinepojisb9o35.pdfIn PDF document text
    • https://cdn.sqhk.co/gutipefu/hcyQnV9/world_of_warcraft_eastern_kingdoms.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4367277/normal_5ff2d6129b756.pdfIn PDF document text
    • https://cdn.sqhk.co/sopiloroda/Wu8Kidn/13988491056.pdfIn PDF document text
    • http://instapresent.site/kali_linux_nethunter_apk_apkpure6xlb2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484835/normal_602c3227ddaa5.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4419822/normal_5fc8c803b770a.pdfIn PDF document text
    • http://gasolotiravizid.sportsontheweb.net/certificaciones_de_calidad.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://s3.amazonaws.com/jotizifime/filmywap_2019_bollywood_movies_dream_girl.pdfIn PDF document text
    • https://s3.amazonaws.com/moduxanakuri/film_3_dara_full_movie_2018.pdfIn PDF document text
    • http://gogujigasad.onlinewebshop.net/45616878486.pdfIn PDF document text
    • https://s3.amazonaws.com/ligole/92185929720.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/sparkle_appcast_format.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f2a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2A6 4740 bytes
SHA-256: 609568b28f03b866c86dd8a8d6ea1362c68a1cfd9faaaec5a5fa18f254eed9a7
font_01_sfnt_off000102ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x102CE 10760 bytes
SHA-256: f4d26bc94e9b22579652b9e0c77edd74eff67c703f4d723fb72142a080b8bb32
font_02_sfnt_off00012795.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12795 4324 bytes
SHA-256: 4fcfa7c68d76e23b667942a3ac892d2d5d88346478daafc61479ad4df4af3dd3

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