Malicious PDF — malware analysis report

Static analysis result for SHA-256 b0b067e940ca73f2…

MALICIOUS

PDF

34.7 KB Created: 2021-05-22 05:04:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 369e07a02b0268fdc6da8f0fbda0abf0 SHA-1: 54588918df7b4b1dce3bbd5a9ac395f863812319 SHA-256: b0b067e940ca73f2cfad009a466e30e28c367088a930538fb3e65ce08e0ed22e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and explicit calls to action, such as 'CLICK HERE TO ACCESS COIN MASTER GENERATOR', designed to trick users into visiting external sites. The primary lure is related to game hacks and free currency, a common social engineering tactic. The embedded URLs point to potentially malicious domains that likely host further malware or phishing content.

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/free-coins-on-coin-master-game-hack PDF link annotation
    • http://pandaplast.com/images/free-robux-gen_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/how-to-get-free-robux-easy-2021_GM431946152.pdfIn PDF document text
    • http://pandaplast.com/images/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/coin-master-free-stars_GM406889139.pdfIn PDF document text
    • http://pandaplast.com/images/free-spins-and-coins-coin-master-facebook_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_002_off00003276.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3276 23620 bytes
SHA-256: a6f21cb376cdafe69ed98b9a530db75c1c8a11fa895f248aea9f4c9c7da400f8
font_01_sfnt_off00006816.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6816 17712 bytes
SHA-256: 6ea46f87f2167b805a87cbef3ad9b5ecf4d2513d7b8c5fe933be1d22f28e2546

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