Malicious PDF — malware analysis report

Static analysis result for SHA-256 009a973048dd6868…

MALICIOUS

PDF

34.9 KB Created: 2021-06-29 19:02:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 288c73b60faacb32d3f11e445b42b72f SHA-1: a886e0e2932bbcb96d2103062804886d961d43c9 SHA-256: 009a973048dd6868458a23c9b960c88c46de806ffab2777f39eefe5c71de3b73
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a lure for a 'free generator / game hack' which links to known malicious redirector infrastructure. The ML classifier also flagged this PDF as malicious. The document body contains the malicious URL and appears to be a social engineering attempt to trick users into visiting a site offering game cheats.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/super-easy-free-robux-game-hack In PDF document text
    • https://wenshan.com.tw/upload/files/grand-theft-auto-roblox-cheats_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/how-to-add-a-second-floor-in-roblox-bloxburg-free_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/avatar-the-last-airbender-roblox_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/why-is-it-so-easy-to-hack-roblox_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/how-to-hack-with-cheat-engine-64-on-roblox_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/roblox-place-view-bot-hack-forums_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/roblox-its-free-sparta-remix_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/builders-club-roblox-free-download_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/free-coins-for-flip-master-online_GM406889139.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/como-hackear-robux-2021_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/how-to-get-tiktok-famous-for-free_GM835599320.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/minecraft-realms-free-codes_GM479516143.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/roblox-green-scarfs-for-free_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/complete-offers-for-robux_GM431946152.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/is-minecraft-free-on-computer_GM479516143.pdfIn PDF document text
    • https://wenshan.com.tw/upload/files/hack-pc-roblox-jailbreak_GM431946152.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
font_00_sfnt_off0000309d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x309D 22636 bytes
SHA-256: 6c367f97f0ba4088f62d6fa5f173d4bb424707703b16b8fb986ba3cf6b21f600
font_01_sfnt_off0000634a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x634A 19072 bytes
SHA-256: 61ddcabb959827ebf2215bf85c9689800e1ba585ade1f09ad11eda898360d367

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