Malicious PDF — malware analysis report

Static analysis result for SHA-256 e2cea494d50ea252…

MALICIOUS

PDF

44.4 KB Created: 2021-05-12 05:30:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: b6ff3ca65916b464c32940b8a5705137 SHA-1: 16659ec07a1c807091d6176411f2725fe9c8af2a SHA-256: e2cea494d50ea252477c21e3de96877074f794a92017c4bba5120fe734617b8e
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 https://netcdn.xyz/app/406889139/coin-master-free-spin-and-coins-links-game-hack PDF link annotation
    • http://library.forda-mof.org/katalog/repository/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/roblox-free-download_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-free-spins-fb-champion_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-minecraft-bedrock-edition-for-free_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/robux-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hack-coin-master-online_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-free-robux-easy_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hack-coin-master-pc_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-robux-generator-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/can-you-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/roblox-imagine_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/flip-master-free-coins_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-spin-ml-link_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-change-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/get-free-spins-coin-master-link_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-roblox-accounts_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_off00004eed.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4EED 26344 bytes
SHA-256: c0efbdfee64a42a5643fe56147f2c5f40a5adceed63633da997c2a7fca9075ea
font_01_sfnt_off00008b75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B75 18228 bytes
SHA-256: ab1c4cdc214a6baf81a15e2f62a40ea9cfbbbf407f0f3dd1c7564e467cf0dae2

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