Malicious PDF — malware analysis report

Static analysis result for SHA-256 bfa2dcafe5e6970d…

MALICIOUS

PDF

26.8 KB Created: 2021-06-29 17:57:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 460af95733a334bd36363875b4fd7045 SHA-1: 66a6b289545e62ff87556f137087882c5dc13258 SHA-256: bfa2dcafe5e6970df2068465f90981d2c10bb351c70cf53dde769f4664725fb6
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure related to 'game hacks' and redirects to a known malicious URL. The document body explicitly contains the malicious URL and a call-to-action phrase, indicating an attempt to trick the user into visiting a potentially harmful site. No scripts were extracted, but the embedded URL is the primary indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier clean score 0.0521

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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 http://netcdn.co/app/431946152/como-tener-hacks-en-roblox-jailbreak-game-hack In 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
font_00_sfnt_off000015c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x15C0 21392 bytes
SHA-256: 07a88ca57dc3d19363b33355f29d7c0844514b603c87773c9faf825d9b4845ff
font_01_sfnt_off00004490.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4490 19200 bytes
SHA-256: c135445e6a0164b9eab19a776d8c936722b871606e530392e9bb7d5235d065f6

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