Malicious PDF — malware analysis report

Static analysis result for SHA-256 47eb9c3b00190ca8…

MALICIOUS

PDF

75.8 KB Created: 2020-12-27 16:22:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-11
MD5: b65c25ac2f69306166d0cb9ed2d0e334 SHA-1: 65fa012e9de1081635f34c4d8e35edcde8f30de1 SHA-256: 47eb9c3b00190ca8ddbde58a7702fb32733d4c338f115171fc3c44867574ebbd
154 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing indicating a malicious redirector link, specifically pointing to 'ggtraff.ru'. The ML classifier also strongly flagged this PDF as malicious. While no scripts were extracted, the presence of a malicious URL and the document's likely intent to trick users into clicking it suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ggtraff.ru/strik?utm_term=wd+my+cloud+setup+software+windows+10 In PDF document text
    • https://cdn.sqhk.co/deguxikezu/e7hbjhh/download_aplikasi_subway_princess_runner_mod_apk_rexdl.pdfIn PDF document text
    • https://cdn.sqhk.co/vegubefeno/b6y64hj/sukuzizodiwo.pdfIn PDF document text
    • https://cdn.sqhk.co/domuzusud/WjajdC5/hip_hop_old_school_hits.pdfIn PDF document text
    • https://cdn.sqhk.co/risevejuxik/cgdjdbQ/rolling_stones_songs_with_color_in_title.pdfIn PDF document text
    • https://cdn.sqhk.co/fekimevexi/ih28Tgh/muse_dash_switch_gamefaqs.pdfIn PDF document text
    • https://cdn.sqhk.co/kedilexele/ifmovaD/lasemebadivojalijaz.pdfIn PDF document text
    • https://cdn.sqhk.co/kinirebuseva/qXhhm67/top_trending_music_videos_today.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4372360/normal_5f8973ca1dce0.pdfIn PDF document text
    • https://cdn.sqhk.co/moviferu/7wGkifQ/freeway_fury_alien_annihilation.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/zowejunef/64780460381.pdfIn PDF document text
    • https://s3.amazonaws.com/rikolesafuwofar/99302666300.pdfIn PDF document text
    • https://s3.amazonaws.com/nupotukig/mobo_triton_pro_adult_tricycle_review.pdfIn PDF document text
    • https://s3.amazonaws.com/kavalukato/dakegipasofilubajef.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_off0000eb2c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEB2C 5700 bytes
SHA-256: 1a10127e34d7674f987726c30e47c14667eb04cb1240cdbdb991b3e7a7bdfe0a
font_01_sfnt_off0000fea8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFEA8 10352 bytes
SHA-256: 0c86ca1889552fb6b932900e07fb18c33512727d9660b6e1e89cba4037f9e618

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