Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d07f9984368f597…

MALICIOUS

PDF

37.1 KB Created: 2021-07-05 17:20:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 5797483da48f449bdeaa635257fdadd6 SHA-1: 74a2289bef44b2ff023be7f8241ec2d2e9d1d570 SHA-256: 2d07f9984368f59728d4fb40f2e40f3fc02f22efb0735d3f328d61b0d7ec9868
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links, including one to a known malicious redirector at http://netcdn.tw/app/406889139/coin-master-promo-code-2021-game-hack. The document body and heuristics indicate a lure for game-related cheats or currency, likely intended to lead users to a phishing or malware download site. No scripts were extracted, but the embedded URLs and the nature of the lure strongly suggest a phishing or social engineering attack.

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/coin-master-promo-code-2021-game-hack In PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/robux-gainer_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/master-coin-hack-game_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/how-to-get-free-robux-on-computer-2021_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/http-bitly-coin-master-free-2021-spins_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/coin-master-100-spin-slot_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/coin-master-apk_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/free-robux-generator-without-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/paypal-to-pubg-uc_GM1330123889.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/how-to-hack-coin-master-with-game-guardian_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/free-spins-coin-master-ios-links_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/free-coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id//repository/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://perpus.smkn1pemangkat.sch.id/repository/how-to-get-free-stuff-on-roblox-2021_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_off0000372a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x372A 23644 bytes
SHA-256: 541b735510092625a90e598d5c8a57b2a3412193a93df3e39fbfb24aa7bdabfd
font_01_sfnt_off00006cb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6CB5 18824 bytes
SHA-256: 534e865ad7da8774d60a1bfed88797e1064be347cae87d24669f32b043491ebd

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