Malicious PDF — malware analysis report

Static analysis result for SHA-256 7d1e01286d569e60…

MALICIOUS

PDF

44.1 KB Created: 2021-05-14 04:32:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 902be5fa0c216a56419c32a80d16394f SHA-1: a74c699745df6319de048446f21f5b21fb41e419 SHA-256: 7d1e01286d569e602f67225cb84c71896fe0bed57dcf08ffca997cca7cd81584
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains and sites offering game hacks, strongly suggesting a phishing or malware distribution lure. The presence of a 'download button' heuristic further supports the malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URLs indicate a workflow designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/406889139/coin-master-apk-hack-download-game-hack In PDF document text
    • http://adveos.com/images/coin-master-fan-hack_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-free-spins-moonactive_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/coin-master-free-link-today_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/games-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/free-roblox-generator_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/free-downloads-for-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-daily-link_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/roblox-robux_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://adveos.com/images/does-coin-master-hack-work_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-rewards_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-hack-without-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://adveos.com/images/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
    • http://adveos.com/images/coin-master-hack-apk-35-18_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000477a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x477A 24332 bytes
SHA-256: d6fda20b2efecbc109f92ff035e2f903c3aaa7bdc1286c41a07ca2f01287261e
font_01_sfnt_off00007e34.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E34 18472 bytes
SHA-256: 0e3831818f38ae56d02806b9c0b62f33b1ecd4ca65c3265caa2049c7f667b959
font_02_sfnt_off0000a0e9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA0E9 3264 bytes
SHA-256: e32c06502c11b52acb5e814091c5fdbffd1e2a904ac7a9cfb8b5b180bd139088

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