Malicious PDF — malware analysis report

Static analysis result for SHA-256 c007b3556a04ed9f…

MALICIOUS

PDF

41.8 KB Created: 2021-05-14 23:49:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 02fd93fe5d7d512100afd59d6282801d SHA-1: a870c66323fa9f303b0c49a46fb8374b54a07843 SHA-256: c007b3556a04ed9f0db4dd68a34b7b42992261b0c12fcf9e05b43b018a11713f
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 0.9971

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/how-to-get-free-robux-on-phone-game-hack PDF link annotation
    • http://alexandergroep.nl/images/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/synapse-roblox-free_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/coinmaster-free-cards_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/free-robux-mod_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/coin-master-free-food_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/roblox-free-robux_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/coin-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/game-hunters-coin-master_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/roblox-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/free-minecraft-account-and-password-generator_GM479516143.pdfIn PDF document text
    • http://alexandergroep.nl/images/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/coin-master-daily-free-spins-link-march-2021_GM406889139.pdfIn PDF document text
    • http://alexandergroep.nl/images/minecraft-handbook_GM479516143.pdfIn PDF document text
    • http://alexandergroep.nl/images/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://alexandergroep.nl/images/roblox-free-skin_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000471c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x471C 24676 bytes
SHA-256: e9ea65a7206e922244b75bb8aaf3df94936015594c6cf8988d4228b66a5458b1
font_01_sfnt_off00007ffd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FFD 18600 bytes
SHA-256: 4aaa4dd608c1f398ea3b3714e579938e54c8b6ebc42d5b365d603cdfd05c4e85

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