Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc0d0b0032ee96d2…

MALICIOUS

PDF

46.0 KB Created: 2021-05-14 09:29:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: b6cd224ab456d1ebce6a8cbffff8a77d SHA-1: 698d15c296c1eac44e3153bf9d0873d329d2eaff SHA-256: cc0d0b0032ee96d22b00e8dc80a7cde4088aa7202027b32ae6147fbeead1afc1
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 0.9432

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/coin-master-free-spins-apk-game-hack PDF link annotation
    • http://tileworld.com.au/files/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-hack-mobile_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-spins-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/huskybuckscom-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/minecraft-for-laptop-free_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/free-spins-coin-master-2021-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/50-000-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/free-generator_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/is-there-an-actual-hack-that-work-for-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/how-to-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-free-robux_GM431946152.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-pro-hack_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://tileworld.com.au/files/free-minecraft-thumbnails_GM479516143.pdfIn PDF document text
    • http://tileworld.com.au/files/coin-master-daily-free-spins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004a18.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A18 26164 bytes
SHA-256: f7d5caae7dfb19df80fead45b89363b226bb17b882ec0770dc157220f9db757c
font_01_sfnt_off00008646.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8646 3380 bytes
SHA-256: 1dd933c112880b232546f3aab6a17784a8f412d39fd551cc6eb31c5a04c3ce57
font_02_sfnt_off0000922e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x922E 18056 bytes
SHA-256: 4a0975cb4ff59b90613a77ae23c76f45b98fe93665a9537e2ed5b6c7d8755f19

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