Malicious PDF — malware analysis report

Static analysis result for SHA-256 e03ed9538c49cff0…

MALICIOUS

PDF

37.4 KB Created: 2021-05-22 02:12:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-08-25
MD5: a80ba8a9e7f837f919d0fe40db43853c SHA-1: 7e92c0510a51b145c03429170b648edd324376b7 SHA-256: e03ed9538c49cff07d597798342d8a9d47b3151f829a0712b864e4a1e6b79068
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to redirector domains, including one identified as malicious infrastructure. The document body explicitly mentions 'Freer Pro Tiktok Fans' and 'CLICK HERE TO ACCESS TIKTOK GENERATOR', indicating a lure for potentially unwanted or malicious content. The presence of embedded URLs and a malicious redirector link strongly suggests an attempt to direct the user to a compromised or malicious website.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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/835599320/freer-pro-tiktok-fans-game-hack In PDF document text
    • http://kfz-service-etp.de/images/free-multiplayer-minecraft-server_GM479516143.pdfIn PDF document text
    • http://kfz-service-etp.de/images/free-coins--spins-coin-master_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/coin-master-free-spins-hack_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://kfz-service-etp.de/images/coin-master-free-spins-link-today-instagram_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_002_off0000314b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x314B 23644 bytes
SHA-256: cd1fcfbcb70bb40881194d25e5aac40e693cb73562212870e18ddfedf1933a05
font_01_sfnt_off00006728.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6728 3124 bytes
SHA-256: d6dd29adb69da7f9a23a5e3791282a61e2f811794f560a0c409c8747766d9102
font_02_sfnt_off000071e1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x71E1 17836 bytes
SHA-256: b5cd6e44f23342f5814d14ac4a9e66e4145bc6ad622852c2f98f607989fb45e5

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