Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d26255a01ce9899…

MALICIOUS

PDF

37.6 KB Created: 2021-05-30 07:58:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: eed64db585d47432349e5450d5bb0b0f SHA-1: 087350d0608c0dc71f642ff0a80600d439fdc46a SHA-256: 9d26255a01ce98998706d836764285a9275b31206e081327f12d44eb076d8b5c
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 0.9955

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 https://netcdn.xyz/app/479516143/free-minecraft-server-maker-game-hack PDF link annotation
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/coin-master-free-blogspot_GM406889139.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/minecraft-apk-free-download-016-0_GM479516143.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/free-tiktok-followers-no-human-verification-or-survey_GM835599320.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://www.alnafeesholding.com/wp-content/uploads/fsqm-files/coin-master-free-spins-and-coins-blogspot_GM406889139.pdfIn PDF document text
    • http://www.freenom.comHeyIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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
stream_002_off00003822.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3822 25428 bytes
SHA-256: e99a37fc96f6d961dd05101fb0209f38bdffa2633dd6356f2f8257a52908eff8
font_01_sfnt_off000072d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72D7 17852 bytes
SHA-256: a2113846211f941d41962086a33418b46c13efddcea93467eebdb757cad7d920

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