Malicious PDF — malware analysis report

Static analysis result for SHA-256 960a907e17d04b4c…

MALICIOUS

PDF

47.1 KB Created: 2021-06-08 18:29:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: d16920fb26987e2275be5bdceaf33daa SHA-1: 0b54a169e8274125972e4c6e008cdf34cc85fe94 SHA-256: 960a907e17d04b4c44f6b5dde44e82fc9627ff5856697e890cce6b59b60fc34a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

This PDF document contains multiple embedded links and a visual lure suggesting a 'game hack' or 'free generator'. The primary link directs to a URL associated with game hacks, indicating a likely attempt to trick users into downloading malware or visiting a phishing site. While no scripts were directly extracted, the PDF structure and embedded links are indicative of a malicious lure, likely delivered via spearphishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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.tw/app/431946152/roblox-slaying-simulator-hack-game-hack PDF link annotation
    • https://reggieslockandkey.com/images/without-pokemon-go-free-evolution_GM1094591345.pdfIn PDF document text
    • http://reggieslockandkey.com/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-robux-quiz_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/freespinandcoin-blogspot-coin-master_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/earn-free-robux-in-roblox_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/javascript-free-robux_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-minecraft-website_GM479516143.pdfIn PDF document text
    • http://reggieslockandkey.com/images/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-robux-hack-2021-inspect_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/free-spins-on-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/coin-master-app-for-free-spins_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/roblox-game-studio-unblocked-cheats-download-guide-unofficialchala-dar-2021_GM431946152.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://reggieslockandkey.com/images/free-source-las-vegas-roblox_GM431946152.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-gold-cards-free-link_GM406889139.pdfIn PDF document text
    • http://reggieslockandkey.com/images/coin-master-hack-tips_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_004_off000052e3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x52E3 28032 bytes
SHA-256: fd7ca1983f51faf1aead62edb133b251463dead3701b028e9fb2b148c7115394
font_01_sfnt_off000092ce.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x92CE 19276 bytes
SHA-256: 548f1a5a7a7803870576c9fb18090c3270883d063d268a77e07d43bad4be4e2f

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