Malicious PDF — malware analysis report

Static analysis result for SHA-256 25e9a0533b1c0fa6…

MALICIOUS

PDF

35.8 KB Created: 2021-05-21 21:38:24 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26
MD5: e955375eb3169f1b60499d0e558f0b8c SHA-1: 07d1b9ccef8ab7e4662819be2cbb20770f39bacf SHA-256: 25e9a0533b1c0fa6fcdd22dbd5dee0065252d258f6fe80066594a297c01dec10
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors and infrastructure, masquerading as free generators or game hacks. The document body explicitly contains calls to action like 'CLICK HERE TO ACCESS TIKTOK GENERATOR' and links to various 'free robux' or 'free spins' lures. While no scripts were directly extracted, the PDF structure and embedded links strongly suggest a phishing or scam attempt designed to redirect users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

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/free-tiktok-comments-game-hack In PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/offers-to-complete-and-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-spins-on-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ppl.man2kediri.net/__statics/gudangsoal/files/free-spin-link-coin-master-today_GM406889139.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
stream_002_off000031cd.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31CD 25192 bytes
SHA-256: 71a7834604a15c8e355f5eb72d035f1a7475db3e65fbb21c92d94a024acbcf7e
font_01_sfnt_off00006c82.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6C82 17716 bytes
SHA-256: be925199a27c2d273bbfb828ef38ce2fcf452edcc9d534dc6164d07d4183a457

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