Malicious PDF — malware analysis report

Static analysis result for SHA-256 c2d152c6ae966476…

MALICIOUS

PDF

43.7 KB Created: 2021-06-13 22:29:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 86c99fca0599cec0723791b127ca5325 SHA-1: 31020bdf88a8f0c9b76e5aa9c0263e58e9d786bc SHA-256: c2d152c6ae966476516303bdf87e5a908492f91ade6e9b2473d7fd2a3e21a644
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including a known malicious redirector, under the guise of providing game hacks and generators. The document body and embedded URLs suggest a social engineering attempt to lure users to potentially malicious content or downloads. No scripts were extracted, but the presence of numerous malicious links indicates a high likelihood of a phishing or malware distribution attempt.

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 http://netcdn.co/app/431946152/how-to-legit-hack-into-somebodies-roblox-account-game-hack In PDF document text
    • http://sd-olimp.hr/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/coin-master-hack-apk-35-11_GM406889139.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://sd-olimp.hr/files/how-to-get-free-robux-and-tix-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/coin-master-apk-hacked-3526_GM406889139.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/robuxglobalcom_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/redeem-code-roblox-free-2021_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/coin-master-ios-hack-download_GM406889139.pdfIn PDF document text
    • http://sd-olimp.hr/files/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/roblox-how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/free-400-spins-coins-master_GM406889139.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/how-to-hack-roblox-accounts-passwords_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
    • http://sd-olimp.hr/files/como-hackear-roblox-para-tener-robux-en-pc_GM431946152.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://sd-olimp.hr/files/hack-game-coin-master_GM406889139.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/claim-free-robux_GM431946152.pdfIn PDF document text
    • https://www.sd-olimp.hr/files/coin-master-free-spins-link-2021-today_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_off000049c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49C6 25968 bytes
SHA-256: 9a2d8351c3c5e87d7695ef1425350713fbb41a8fbdaf01eff5a11579acbbae50
font_01_sfnt_off000084e2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x84E2 19432 bytes
SHA-256: d381785c5bc19bfb87fc2ea5940b0270c1d26c0a3b208e9e61a348282419004d

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