Malicious PDF — malware analysis report

Static analysis result for SHA-256 950dd2f3204dec08…

MALICIOUS

PDF

43.7 KB Created: 2021-05-22 23:04:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 1cb6f83a6399dc469b8a7749d915bd32 SHA-1: 518223be7a29162e3d376061ea921090a30a4b5d SHA-256: 950dd2f3204dec08729aa4deb45fdccb6fa09bdc792af1458a1b73f4d9e618e8
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and lures users with promises of game hacks and generators. The document body and embedded URLs suggest a phishing attempt to drive traffic to potentially malicious sites. No scripts were extracted, but the presence of multiple malicious links indicates a high likelihood of user compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7947

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-activegamer-game-hack In PDF document text
    • http://www.eurosan1.ba/images/coin-master-hacker-club_GM406889139.pdfIn PDF document text
    • http://www.eurosan1.ba/images/minecraft-pocket-edition-mods-for-free_GM479516143.pdfIn PDF document text
    • http://www.eurosan1.ba/images/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • http://www.eurosan1.ba/images/free-tiktok-fans-no-verification-2021_GM835599320.pdfIn PDF document text
    • http://www.eurosan1.ba/images/coin-master-15-free-spin-link-today_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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000035b9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35B9 26096 bytes
SHA-256: a7d520e2230a46ba140e01e9697b28e70e6afbd0fc4adb873124ff2dfd65d01f
font_01_sfnt_off00007176.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7176 4028 bytes
SHA-256: a17c2a746d49ac23b23e38a371e32fddecfcd91b10cf42ff6155bff6b8a07e91
font_02_sfnt_off00007f17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F17 2788 bytes
SHA-256: 6fd7c7f447d66842f81aa8cf197935b17f22157d0c7e9f95622df1b5b4ddf530
font_03_sfnt_off00008907.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8907 18376 bytes
SHA-256: 7942159ea88d166bbca90a684af9c7642873a6db171e4c543e33bc315b6ed94a

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