Malicious PDF — malware analysis report

Static analysis result for SHA-256 f468dd0a2b341178…

MALICIOUS

PDF

35.1 KB Created: 2021-07-04 08:36:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 429db4e018231679972e918d2b92ffb2 SHA-1: 14389e01839a797a95ff49d5bbfda21a3f678216 SHA-256: f468dd0a2b341178c63a06189c70e620c11e83a5f416dbd62dca257a8de0051b
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 0.9980

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/406889139/free-spins-from-coin-master-game-hack PDF link annotation
    • http://slims.abulyatama.ac.id/repository/free-roblox-codes-2021-july_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-modded-client_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/pokemon-go-free-incubator_GM1094591345.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-robux-with-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-hack-roblox-on-kindle-fire_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/i-sleep-roblox-hack-oh-shi_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/minecraft-java-hacks_GM479516143.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-hack-mad-city-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-model-scanner-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-do-i-hack-roblox-game_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/how-to-make-free-robux-in-roblox_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/free-spins-coin-master-no-verification_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/ariana-grande-break-free-roblox-id_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/hack-coin-master-app_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://slims.abulyatama.ac.id/repository/hack-coin-master-apk-32_GM406889139.pdfIn PDF document text
    • http://slims.abulyatama.ac.id//repository/how-to-get-free-robux-without-doing-anything-2021_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
font_00_sfnt_off0000327b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x327B 23016 bytes
SHA-256: 9b508ede57711882045f350ce653b81b0dc907c4dce84d26cd7313c865397cf5
font_01_sfnt_off00006652.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6652 18432 bytes
SHA-256: 65a21218908e78d3b3e13bb6de659cda5883429e2feafaff43c4666217260e5f

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