Malicious PDF — malware analysis report

Static analysis result for SHA-256 14be766881ebf78d…

MALICIOUS

PDF

44.2 KB Created: 2021-04-26 06:38:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 3fb3feb442082c6f7bf99a6542c85e9f SHA-1: 05127de36ff7073b1f1674555e78320ffee17cff SHA-256: 14be766881ebf78d512b0d14cf5f33efe9d9ba2f2db47156413a2694790021d3
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9868

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/hacked-hat-roblox-t-shirt-game-hack PDF link annotation
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/early-access-yellow-stone-roblox-for-free.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/hacks-to-get-money-on-roblox.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-hack-account-2021-free.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-hack-into-someones-roblox-account-2021.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-hack-games-in-roblox-2021.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/greasy-fork-roblox-hack.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-admin-script-hack-pastebin.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/how-to-find-a-hacker-on-roblox.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/cheat-codes-for-free-stuff-roblox.pdfIn PDF document text
    • https://www.andhrarealty.in/uploaded_files/userfiles/files/robux-hack-trackid-sp006.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 4

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000042f8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x42F8 26536 bytes
SHA-256: 115f7908e2113164eaaa431da36a707d138709f9bfff76e39bebcf28eb98d965
font_01_sfnt_off00007f6f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F6F 2900 bytes
SHA-256: 7709f4ae3af7d4a4200348b42e6c2c4d7e9d243aef769681d20f194ea17eaa1d
font_02_sfnt_off00008972.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8972 18748 bytes
SHA-256: 42d35727209d08cdf99735a015f2c8feda8d0835acafbd2fecb5e4f13d0f0692

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