Malicious PDF — malware analysis report

Static analysis result for SHA-256 02bc6ead4706e4ad…

MALICIOUS

PDF

74.5 KB Created: 2021-02-09 10:36:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: bfce6926db367f9cd9ba25dd79f72c94 SHA-1: c51176208e25e9e0970edb22fdb0b3e2e916bc40 SHA-256: 02bc6ead4706e4adb0e660a3c26a308317433cffca9ddc665eb081f981a94687
96 Risk Score

Malware Insights

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

The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains an embedded URL pointing to 'https://jacksth.ru/aws?utm_term=ppt+timeline+template+vertical', which is likely part of a social engineering lure to trick the user into downloading further malicious content. The PDF structure and embedded URLs suggest it's designed to exploit user trust for malicious purposes.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://jacksth.ru/aws?utm_term=ppt+timeline+template+vertical PDF link annotation
    • https://cdn.sqhk.co/zudatona/8L7zgZQ/pifama.pdfIn PDF document text
    • https://cdn.sqhk.co/zamokaxu/dLBhhic/rolly_hill_apk_mod.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477167/normal_5fd5ffdbd1e3b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490265/normal_5fdaebb89cb2f.pdfIn PDF document text
    • http://handler-autoscout24.com/zegewewuzomarxsgol.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4488323/normal_60160093137cb.pdfIn PDF document text
    • https://cdn.sqhk.co/daxegajok/P9xgicY/50699331093.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456391/normal_5ff4c21a41412.pdfIn PDF document text
    • http://stixlife.info/bio_data_english_formattbigd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4492573/normal_5fe803f16a503.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4461523/normal_600c00747f9e1.pdfIn PDF document text
    • http://blockhcain.host/phonegap_camera_example1cx0g.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/miledu/cara_vsco_x_ios.pdfIn PDF document text
    • https://s3.amazonaws.com/sutawowirosuvuv/68869179423.pdfIn PDF document text
    • https://s3.amazonaws.com/vawoginele/alienware_laptop_gaming_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/feborobegibew/86338576306.pdfIn PDF document text
    • https://s3.amazonaws.com/pesetufavo/congratulations_on_your_promotion_template.pdfIn PDF document text
    • https://s3.amazonaws.com/tabobujimo/moto_traffic_racer_apk_android_oyun_club.pdfIn PDF document text
    • https://s3.amazonaws.com/fopalew/7861400926.pdfIn PDF document text
    • https://s3.amazonaws.com/dobesogum/c_sharp_minor_chopin_nocturne_sheet_music.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_off0000e6c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE6C0 4960 bytes
SHA-256: 8210aa2fea6e47a7279446d53b68f39ff8c36bda0b8a0976db3b05d31a2e5ad5
font_01_sfnt_off0000f791.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF791 10968 bytes
SHA-256: 67df3cb33e8096cfd60e60e134577634a36998405450de92dd0ef17138984761

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