Malicious PDF — malware analysis report

Static analysis result for SHA-256 2c8942fbb0678f92…

MALICIOUS

PDF

45.7 KB Created: 2021-05-14 16:42:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27
MD5: 29ca9f21d53d8b7b1eb09894678b4c0a SHA-1: bd4f920707df172e45812ba19ac911f8451f7424 SHA-256: 2c8942fbb0678f920430837eed5f3b3680a0168bc998e35a2fc121193907a0d3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and sites offering game hacks and cheats, indicating a lure for users interested in such topics. The heuristic firings confirm the presence of malicious redirector links and a general lure for game-related exploits. While no scripts were extracted, the embedded URLs are the primary indicators of malicious intent, likely leading to further compromise or phishing attempts.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/479516143/minecraft-tower-defense-hacked-game-hack In PDF document text
    • http://wattkit.com/images/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/who-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/coin-master-heaven-links_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/roblox-hackprogamers-com_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/hack-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/free-cracked-minecraft-server-hosting_GM479516143.pdfIn PDF document text
    • http://wattkit.com/images/free-spin-and-coin-blogspot-com_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/coin-master-free-spins-and-coins-link-haktuts_GM406889139.pdfIn PDF document text
    • http://wattkit.com/images/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://wattkit.com/images/minecraft-pocket-edition-hack_GM479516143.pdfIn PDF document text
    • http://wattkit.com/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/free-roblox-girl-clothes_GM431946152.pdfIn PDF document text
    • http://wattkit.com/images/how-to-get-free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://wattkit.com/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • https://playhack.in/minecraftIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004806.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4806 29312 bytes
SHA-256: 45549c29ee0c0eddd2d9d7bce6ce5aa576d65493d8d362632f248cb5d71bc8ca
font_01_sfnt_off000085bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85BC 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00008fcc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FCC 18388 bytes
SHA-256: 713945c209eafdfb17d9348275aac2514e7231b3ac112b5af91dabd48964bc5b

Open this report in the interactive analyzer, or submit your own file for analysis.