Malicious PDF — malware analysis report

Static analysis result for SHA-256 7b2f820205031d64…

MALICIOUS

PDF

44.0 KB Created: 2021-05-20 07:34:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 27e88c0012069bcc08c78e1470e405ac SHA-1: 08c000e6cf4645049f402a6acc429a63a99b86f3 SHA-256: 7b2f820205031d64a6f8383e83b7a969147daac15560531b05fe77dffde299c3
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 0.9648

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/406889139/haktuts-coin-master-free-spin-link-game-hack PDF link annotation
    • https://www.romedia.gr/images/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-online-free-no-download_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-spin-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/codes-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/doctor-louie-roblox_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/hack-coin-master-spin-apk_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-free-spins-generator-no-verification_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-online-free-spin_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-free-minecoins-in-minecraft_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/best-free-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • https://www.romedia.gr/images/coin-master-100-spin_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/how-to-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/minecraft-auto-miner-hack_GM479516143.pdfIn PDF document text
    • https://www.romedia.gr/images/open-coin-master_GM406889139.pdfIn PDF document text
    • https://www.romedia.gr/images/minecraft-hacks_GM479516143.pdfIn 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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046d9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46D9 24800 bytes
SHA-256: 70d64df075dca073997ed560c7e8e05a00fbab93b96f80ad9b8300a265dcd273
font_01_sfnt_off00008031.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8031 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off000089e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89E2 18196 bytes
SHA-256: d21f7c9777ff22c572caba6bc61bff535e054503ba9d308437b2513133ac2854

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