Malicious PDF — malware analysis report

Static analysis result for SHA-256 054aaeff136dd02a…

MALICIOUS

PDF

44.5 KB Created: 2021-05-12 16:42:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: de733a191d017b4d3e85c25be3df8aad SHA-1: cc9bbfcb1f7bc87b371baed206fb307b45e3ec60 SHA-256: 054aaeff136dd02a95a125bc20c14f7254d75336ea5d7217a04c30c673fb84e6
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 0.9632

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/how-to-get-daily-free-spins-on-coin-master-game-hack PDF link annotation
    • http://geometraperiotto.it/images/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/coin-master-free-spin-realme-products_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/roblox-generator-com_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/minecraft-pe_GM479516143.pdfIn PDF document text
    • http://geometraperiotto.it/images/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/roblox-avatar-com_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/minecraft-reach-hack_GM479516143.pdfIn PDF document text
    • http://geometraperiotto.it/images/mcpe-master-hack-unlimited-coins-download_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/blox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/free-spins-and-coins-coin-master-2021-link_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/how-to-make-a-modded-minecraft-server-for-free_GM479516143.pdfIn PDF document text
    • http://geometraperiotto.it/images/roblox-free-rubox_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/coin-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/coin-master-spins-free-2021_GM406889139.pdfIn PDF document text
    • http://geometraperiotto.it/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • http://geometraperiotto.it/images/get-more-robux_GM431946152.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
font_00_sfnt_off00004966.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4966 24636 bytes
SHA-256: 849c3db39d599b0c8e7386543e9b752b4c78a7dc9559ab6b7c68972d7e603408
font_01_sfnt_off000080d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80D2 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008abc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8ABC 18472 bytes
SHA-256: 39c175e238be4f7921b046c78c06fe9a00b09eca58e402890515fe03c626abe6

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