Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a71ec116453195e…

MALICIOUS

PDF

42.3 KB Created: 2021-05-16 07:05:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 13d36f58345ddf6ac53290a5e103970d SHA-1: bf86740f6008d9cb5bd845b3cf7bea22786749a3 SHA-256: 1a71ec116453195e34402a4dddb93b8d11a2dedd4226f45910978ed35895a34f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that lead to known malicious redirectors, disguised as game hacks and generators. The document body, though heavily obfuscated, contains references to 'Roblox Free Clothes Hack' and other game-related lures, reinforcing the malicious intent. The primary goal appears to be redirecting users to potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/roblox-free-clothes-hack-game-hack In PDF document text
    • http://getthelook-bkk.com/images/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/getrobux-info_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/www-cheatsk-com-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/coin-master-freebies-2021_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/code-free-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/multiplayer-master-hack-coins_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-links-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/spin-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-minecraft-premium-account_GM479516143.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/archery-master-3d-hack-unlimited-coins-cheats_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/coinmasterdailyfreespins-com_GM406889139.pdfIn PDF document text
    • http://getthelook-bkk.com/images/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/roblox-redeem-robux_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/roblox-2021_GM431946152.pdfIn PDF document text
    • http://getthelook-bkk.com/images/coin-master-free-cards_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_off000048a3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48A3 25536 bytes
SHA-256: 074124f4a566d86a8d7f8dec27270fda08f4304705031e6b009a2b574a088ad3
font_01_sfnt_off000081fe.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x81FE 18616 bytes
SHA-256: 103feac3cc5aa8b61edffdeede0b2c422429be550018f77d71a4c0e7d6940ea7