Malicious PDF — malware analysis report

Static analysis result for SHA-256 feab45a406d4e621…

MALICIOUS

PDF

43.3 KB Created: 2021-05-15 05:18:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: dd5b3a1e61dad3f7faf5efff1d74c663 SHA-1: ab7762429788ac8383327eb4630d1c580c488052 SHA-256: feab45a406d4e6211c10fcc11f118fef4a79c81210a7d1da6c5bf793ca2a252b
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 0.9969

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/free-roblox-clothes-game-hack PDF link annotation
    • http://pandaplast.com/images/ear-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-robux-easy_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/minecraft-pe-texture-packs-free-download_GM479516143.pdfIn PDF document text
    • http://pandaplast.com/images/minecraft-114-4-download_GM479516143.pdfIn PDF document text
    • http://pandaplast.com/images/free-diamonds-coin-master_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-unlimited-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/john-doe-roblox-hacker_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-free-spins-app-android_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/rbl-gg-free-robux_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-robux-com-roblox_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-extra-spins_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-spin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/i-got-hacked-on-roblox_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_off0000466d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x466D 28244 bytes
SHA-256: 08ad646e563acf699b8cf3e2ea5116aea5fd61380f78c59f6bfa6ea283f0cc5b
font_01_sfnt_off0000870b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x870B 18216 bytes
SHA-256: e50810547e3c30daf02b15d5ac458835679762fa1a68c20d7c153a389bd1cc19

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