Malicious PDF — malware analysis report

Static analysis result for SHA-256 87ee6eccfc5ea9bf…

MALICIOUS

PDF

38.1 KB Created: 2021-05-22 23:41:49 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 1b4bfb1d78a282390e1c265cb808ac3e SHA-1: af87d9c4f07a800b4bf7cc0d2c8c24945b5f28b6 SHA-256: 87ee6eccfc5ea9bfe7a3613307fdd71133e6e12b55c2520f487135138645f6d6
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 0.9407

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-hack-to-get-robux-game-hack PDF link annotation
    • http://italianconnectionsleaford.co.uk/images/coin-master-code-for-free-spins_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/coin-master-pet-food-free_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://italianconnectionsleaford.co.uk/images/minecraft-cheat-client_GM479516143.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
font_00_sfnt_off00003113.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3113 29660 bytes
SHA-256: 13ba5c2f94fdfaad512793822369f0862f29da2982e167f405264552b12b3fe0
font_01_sfnt_off000072e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x72E1 18516 bytes
SHA-256: e2a97b64806b22db336191728b408e5b7179700d4ee5fd3b4b30addea2706a3c

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