Malicious PDF — malware analysis report

Static analysis result for SHA-256 18afd12d0aac8bba…

MALICIOUS

PDF

34.2 KB Created: 2021-06-27 22:26:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 05871edc77c8fb025118d10abbc8a60f SHA-1: 6a0ce7177294f5e715ef7c0bd2c1e4c3f40bc85d SHA-256: 18afd12d0aac8bbaf8d6ed9f23a59e699dbc47a9e1baffccbfe78b87ab9413e8
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and document body text that promote free game hacks and currency, indicating a lure for potentially unwanted software or malware. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' specifically flags a URL pointing to known malicious infrastructure, suggesting a download or redirection attempt. Although no scripts were extracted, the presence of malicious links and the deceptive content strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 3

  • 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/get-free-roblox.gg-game-hack In PDF document text
    • https://allpromise.com.tw/image/data/files/minecraft-pc-download-free-full-version_GM479516143.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/coin-master-cheats-for-free-spins_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/coin-master-free-spins-link-october-2021_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/claimrbx-free-robux_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/tamper-monkey-roblox-hack_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/roblox-hack-btools-2021_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/coins-master_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/roblox-executor-free_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/roblox-fly-hack_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/free-coin-master-spin-generator_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/google-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/pubg-uc-top-up_GM1330123889.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/how-to-get-free-pet-snacks-in-coin-master_GM406889139.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/how-to-get-free-robux-yahoo-answers_GM431946152.pdfIn PDF document text
    • https://allpromise.com.tw/image/data/files/roblox-blotch-shikai-hack-script_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
font_00_sfnt_off00002fc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC4 22332 bytes
SHA-256: 082f156c4e1735845ca857cf027e6ef0910abe9cd20f3b110ed6068e573a0b92
font_01_sfnt_off0000614e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x614E 18820 bytes
SHA-256: 25ce3f74f306e9b78d5ba8d1a82445f3130fb905847cf139893a136906b923f2

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