Malicious PDF — malware analysis report

Static analysis result for SHA-256 aeeb222277e1fed6…

MALICIOUS

PDF

40.3 KB Created: 2021-05-10 21:01:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5ac00c8cdb862fa43a01a3cc1ca05fcf SHA-1: 40ecc180890c2716637babae58e34213715b0d54 SHA-256: aeeb222277e1fed637b57f852466178ddb8439f507479bd4b45eb7a4c5dc020b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a prominent link to a URL advertised as a "free generator / game hack", which is a common lure for phishing or malware distribution. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the lure suggest the document is intended to redirect users to a malicious site, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9968

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/431946152/can-u-get-free-robux-game-hack PDF link annotation
    • https://www.anagoria.com/images/free-minecraft-hosting_GM479516143.pdfIn PDF document text
    • https://www.anagoria.com/images/robux-gainer_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-rewards_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/coin-master-extra-spins_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/moonactive-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.anagoria.com/images/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/coinmaster-spin-ml-free_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/roblox-images_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://www.anagoria.com/images/robux-com-free_GM431946152.pdfIn PDF document text
    • https://www.anagoria.com/images/free-robux-gift-card-generator_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000043d5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x43D5 24132 bytes
SHA-256: f51bed3d34c5e976a90dcb2ca86df02f43d23736d1d9a2c7d1c9d3b9940165cd
font_01_sfnt_off00007a5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7A5A 18532 bytes
SHA-256: 35bb0f01f69d1b5e790ed5f4c0eeb98998139975dc1eb58b588dc01b9002bbc1

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