Malicious PDF — malware analysis report

Static analysis result for SHA-256 488ded3fc618abe7…

MALICIOUS

PDF

33.9 KB Created: 2021-07-19 02:27:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ac1302b22a3fdc3f8f0f99e9ccf1cb3c SHA-1: de9f3f7ee1bb0c0f942139b3833fea038d0b8509 SHA-256: 488ded3fc618abe7553bdf8011e615805f64389f6f696040405ea8f85b014460
160 Risk Score

Malware Insights

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

The PDF contains multiple links to known malicious redirector infrastructure, specifically advertising free game hacks and generators. The document body includes a call to action to 'CLICK HERE TO ACCESS MINECRAFT GENERATOR', further reinforcing the lure. While no scripts were extracted, the PDF structure and embedded URLs strongly indicate a phishing or social engineering attack aimed at redirecting users to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9955

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 http://netcdn.tw/app/479516143/can-you-make-a-minecraft-server-for-free-game-hack In PDF document text
    • http://safwafurniture.com/images/apps-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/free-tiktok-like_GM835599320.pdfIn PDF document text
    • http://safwafurniture.com/images/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
    • http://safwafurniture.com/images/free-robux-cards_GM431946152.pdfIn PDF document text
    • http://safwafurniture.com/images/minecraft-free-trial_GM479516143.pdfIn PDF document text
    • http://safwafurniture.com/images/how-to-get-minecraft-for-free-on-mobile_GM479516143.pdfIn PDF document text
    • http://safwafurniture.com/images/free-tiktok-followers-no-human-verification-or-survey-2021_GM835599320.pdfIn PDF document text
    • http://safwafurniture.com/images/get-tiktok-followers-free_GM835599320.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
font_00_sfnt_off00003100.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3100 22404 bytes
SHA-256: 18dd5d45db87580dfbb6d1b7670e8cc720ab7c12df069986f28924054f7283e5
font_01_sfnt_off000062b0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62B0 18296 bytes
SHA-256: 7b2a5025a6b2eafbb08597cb19c0e2dd24287b9ce61b32a45f1f6eb7f3859dea

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