Malicious PDF — malware analysis report

Static analysis result for SHA-256 1094ccbf75589fdf…

MALICIOUS

PDF

43.3 KB Created: 2021-05-12 11:33:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21
MD5: 2dd9ca1d42c60836afd4cbe2ece3067c SHA-1: 069a7c190d8e55b4b7dff04b0f7e55937359caaa SHA-256: 1094ccbf75589fdfb517d2ddfecc777a3690c21cee2e22360bf2c1bc3fb35810
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link to a known malicious redirector, disguised as a 'free generator / game hack'. The document body, though heavily obfuscated, contains references to 'Robux Survey' and a URL matching the malicious redirector. This indicates a phishing lure designed to trick users into visiting a malicious site, likely for credential harvesting or further malware delivery.

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/robux-survey-game-hack In PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/how-to-get-free-roebucks_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/android-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-robux-on-iphone_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/minecraft-rtx-download-free_GM479516143.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/coin-master-hacking-news_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/minecraft-free-online_GM479516143.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-roblox-groups-with-funds_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/static-moonactive-net_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/how-to-download-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/free-robux-generator-without-verification_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/haktuts-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/robux-offers_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/coin-master-cheat-apk-free-download_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/freerobuxhack-us-2021_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/static-moonactive_GM406889139.pdfIn PDF document text
    • http://perpus-baitulhikmah.esy.es/akasia/repository/daily-free-spins-coin-master-app_GM406889139.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_off000048e7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48E7 27228 bytes
SHA-256: a5d374ea607d54c424a6b133f663e1b2e3ef844cd50629cee00eac71f65f3cdc
font_01_sfnt_off00008722.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8722 18144 bytes
SHA-256: 6fd5616ad4ce0c30eb6456aaab9f1a40378a031fa4650db50c22e26f1c4f3de9

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