PDF static analysis report

Static analysis result for SHA-256 aac015d4e7648121…

SUSPICIOUS

PDF

46.5 KB Created: 2021-06-09 06:59:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 20f193804103b183850005368a114420 SHA-1: c7582cb0c32f19b128217bd0125f3dddb6a6ca37 SHA-256: aac015d4e7648121b248e90e83299823690b7c3176ac45a6eb70472dfd5df0e8
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The ML classifier and embedded URI heuristics strongly indicate malicious intent. The document body, though partially garbled, contains references to popular games and the term 'hack', suggesting a lure for users seeking cheats or free items. The presence of numerous external URLs points to a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

Heuristics 3

  • 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.tw/app/431946152/roblox-rocitizens-free-money-game-hack PDF link annotation
    • http://bressanassessoria.com.br/images/free-roblox-gift-card-pins_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/www-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-spin-link_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-bonus_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-2021-july_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-tiktok-fans-without-verification_GM835599320.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/coin-master-levels_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/why-pokemon-go-free-download_GM1094591345.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-do-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-spins-coin-master-unlimited_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/how-to-get-free-robux-without-any-verification_GM431946152.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/60-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://bressanassessoria.com.br/images/free-coins-coin-master-blog_GM406889139.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_004_off000051e8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51E8 28184 bytes
SHA-256: 7fd67a65268345e8bc2be013b1f365669b9025a4ac90bb3eff8443adc7613b9c
font_01_sfnt_off00009255.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9255 18632 bytes
SHA-256: 7b432c06b58baef61446b26600b8b5e56c0c5cfafc7306abbfaf1dae147d1332