Malicious PDF — malware analysis report

Static analysis result for SHA-256 954fdd92c52338aa…

MALICIOUS

PDF

40.5 KB Created: 2021-05-20 13:03:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 74cbed2fe8ea643c3f255961fcbf1251 SHA-1: b227dd7bed40d8452c49bd002605a28d7914fa96 SHA-256: 954fdd92c52338aae472b9d39876b4d96ca1b30f9ec6dfe321895fa889f384f5
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to what is identified as a malicious redirector, specifically advertising "Coin Master Hack Without Verification 2021". The ML classifier also flagged this PDF as malicious. The primary lure appears to be a fake game hack generator, which is a common social engineering tactic to drive users to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7768

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-hack-without-verification-2021-game-hack In PDF document text
    • http://www.romento.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-chromebook_GM431946152.pdfIn PDF document text
    • http://www.romento.com/uploaded_files/userfiles/files/coin-master-free_GM406889139.pdfIn PDF document text
    • http://www.romento.com/uploaded_files/userfiles/files/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • http://www.romento.com/uploaded_files/userfiles/files/is-roblox-free-on-xbox_GM431946152.pdfIn PDF document text
    • http://www.romento.com/uploaded_files/userfiles/files/hack-to-send-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000350a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x350A 26420 bytes
SHA-256: e649b027bddf6e5c5d0e6ea8369b1662b94ae79b65272c151faadff655376403
font_01_sfnt_off0000718b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x718B 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00007b3d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B3D 18756 bytes
SHA-256: 1f8069b8e373c1677ee696ae61803aee5e0941708a1ef93a03d88c08535d6ef3

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