Malicious PDF — malware analysis report

Static analysis result for SHA-256 2210df649073e19f…

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 04:53:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ca9a975f4beaf2a1c70e8a4a1c299bff SHA-1: 1303a84d98232b0882a0a65596b8b52c0888c8f9 SHA-256: 2210df649073e19f71cb63e55f53580cb068a13d9f727f9797a96c93e311e42b
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and free items to entice users to click on embedded links. The primary link directs to a malicious redirector infrastructure, which in turn serves further PDF lures related to various games and cheats. The document's content and embedded URLs strongly suggest a phishing or scam campaign aimed at tricking users into downloading potentially malicious files or visiting compromised sites.

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.tw/app/406889139/fan-page-coin-master-game-hack In PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/hack-mod-menu-roblox-2021_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-bloxburg-free-download_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-spins-coin-master-apple_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-install-free_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/minecraft-skins-free-girl_GM479516143.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/cheat-roblox-mac_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/executor-for-roblox-free_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-hack-on-roblox-deinsdaily_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/coin-master-sound-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-girl-stuff-roblox_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-roblox-hair-boy_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-game-hack-robux_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/da-hood-roblox-free-dowlond_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/how-to-gte-robux-hack_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/coin-master-viking-quest-hack_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/coin-master-free-spins-generator_GM406889139.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • http://dev.pmrscambodia.org/images/uploadfiles/does-cheat-engine-work-for-roblox_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_off00003166.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3166 23100 bytes
SHA-256: b52190d35b1a2346ad24b4825cbbeee85e7ea2d69ea713c01bbd1e5a3a91e055
font_01_sfnt_off0000656d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x656D 18152 bytes
SHA-256: dc65fc03521f6741f12ad44add688acee0e4503760684e09f17d44e8145a27b5

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