Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e73ae68a4ed556f…

MALICIOUS

PDF

43.2 KB Created: 2021-05-16 17:12:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 1c47d403b442d632829f3390fff4d067 SHA-1: 5f653d9d64d21ba9858dc5af7d94168692524b15 SHA-256: 6e73ae68a4ed556f738cb049f532afb046f9d141e1c7937b490c0d71b4499e52
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors, specifically promoting game hacks and free currency lures. These links likely lead to further stages of malware delivery or phishing. The document body and embedded URLs strongly suggest a social engineering tactic to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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 https://netcdn.xyz/app/431946152/roblox-arsenal-hacks-download-game-hack In PDF document text
    • http://tah-li.com/images/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-free-spin-and-coins-links-home_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/wurst-112_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-free-daily-rewards_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-free-coins-and-spins-group_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/hacks-for-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/free-spins-coin-master-ios-2021_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/how-to-get-free-robux-hack_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/coin-master-free-coins_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/free-spin-coin_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/how-do-i-earn-robux_GM431946152.pdfIn PDF document text
    • http://tah-li.com/images/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • http://tah-li.com/images/minecraft-xbox-360-free-download-code_GM479516143.pdfIn PDF document text
    • http://tah-li.com/images/how-to-exploit-roblox_GM431946152.pdfIn 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
stream_003_off000046bf.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46BF 26564 bytes
SHA-256: c9ac19eb44408a381a22609829ceb1309fed7c013b4149793102c879d24ead5d
font_01_sfnt_off000084f1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84F1 18688 bytes
SHA-256: 3194e743087210276cc8ef30afa20718d77c17967e4a232ddce90cfa751f40c3

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