Malicious PDF — malware analysis report

Static analysis result for SHA-256 889fc5693a607796…

MALICIOUS

PDF

41.0 KB Created: 2021-04-27 11:41:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 3e2a6ccc55c8d567dcbcb0fc377868a9 SHA-1: e5d0dceb464f2c7fac0a24ece1ea72b9820c85fb SHA-256: 889fc5693a607796bafdcf46bb9ecb836e6a607825bc3ccc5d16ce452cf92fe4
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links, including one pointing to known malicious redirector infrastructure, designed to lure users into downloading or accessing potentially harmful content. The document body explicitly mentions 'Cheat Manager Free Robux' and 'CLICK HERE TO ACCESS ROBLOX GENERATOR', reinforcing the phishing lure. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to redirect users to malicious sites, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9941

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/cheat-manager-free-robux-game-hack In PDF document text
    • https://lib-stie.yai.ac.id/repository/how-to-you-hack-on-roblox-jailbreak.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-azure-mines-cheat-scripts.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/play-roblox-for-free-online-without-downloading.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/roblox-mad-city-hack-money-francais.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/comment-avoir-des-robux-sur-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/dragon-ball-final-stand-roblox-hack-2021-may.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/fluxx-robux-hack-2021.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/skimas-roblox-hack.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/all-roblox-gamepasses-for-free.pdfIn PDF document text
    • https://lib-stie.yai.ac.id/repository/dantdm-roblox-free-account-pro.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_off00004050.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4050 27084 bytes
SHA-256: c424614d8d2e399b51b298dae62fb2c716cf0a5de4ee9613aecf2a7e99a41b3c
font_01_sfnt_off00007c7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7C7E 18996 bytes
SHA-256: 125c55ae2bed405adaf6b515ba662c1ce360b7e633cbe6774b13f0b3204b52fc

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