Malicious PDF — malware analysis report

Static analysis result for SHA-256 924a85115389623f…

MALICIOUS

PDF

33.7 KB Created: 2021-08-01 23:05:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dfa2936b5c394f67b2bd642bc2e7364d SHA-1: eed868219d919f2f462eb194e61087adc3d32b18 SHA-256: 924a85115389623f125f2554b3db7b3435cc84e6a902efe1d75f4db7c246532c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9946

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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
  • 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 http://netcdn.tw/app/431946152/free-robux-no-download-game-hack PDF link annotation
    • https://www.ak-oroslavje.hr/files/minecraft-login-free_GM479516143.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/minecraft-free-no-download_GM479516143.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/minecraft-font-free_GM479516143.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/how-to-get-free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ak-oroslavje.hr/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002c5c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2C5C 22732 bytes
SHA-256: 2f50345898521830735996ab6b465e11850b6a34aaef516630f49e20ae99fca6
font_01_sfnt_off00005f3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F3D 19008 bytes
SHA-256: 72e3a65839c32bde970c5e9c108b6cdefe5a1e283205e2ba54e9e9ddd761828c

Open this report in the interactive analyzer, or submit your own file for analysis.