Malicious PDF — malware analysis report

Static analysis result for SHA-256 7298d5e6da3bd887…

MALICIOUS

PDF

42.0 KB Created: 2021-05-10 15:13:13 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5210a6661625a4e1d38a21ce80967614 SHA-1: e179247679b44fa38e060a6096f1bd6d6ba85c8c SHA-256: 7298d5e6da3bd887d42cf039fe456890b53630a03204aee6cac3459a13fb8df9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a prominent link to a URL promising game hacks, specifically for Roblox and Coin Master. This lure, combined with the ML classifier flagging the PDF as malicious, strongly suggests a phishing or scam attempt. The document body, though partially obfuscated, contains references to game hacks and URLs, reinforcing the malicious intent. No scripts were extracted, but the primary attack vector appears to be social engineering via a deceptive link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/roblox-earn-robux-game-hack PDF link annotation
    • http://ipdrs.org/images/master-free-spin_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/how-to-get-free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/free-robux-obby-2021_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/download-hack-coin-master-apk_GM406889139.pdfIn PDF document text
    • http://ipdrs.org/images/robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://ipdrs.org/images/roblox-premium-free_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
font_00_sfnt_off00003d36.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3D36 31392 bytes
SHA-256: f6978fc2d1636cd7107973d1e23b3f72c412c7deba78d392d7639a2af85a627c
font_01_sfnt_off000082d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82D4 18152 bytes
SHA-256: ac560818c0950b36a4d7f23f452e83199291727370614d0236bf7521a0e82fc3

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