Malicious PDF — malware analysis report

Static analysis result for SHA-256 436aba2764292ae5…

MALICIOUS

PDF

40.2 KB Created: 2021-05-23 14:46:38 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c2f19796b3fb2f3fbc4dcb6e937746b1 SHA-1: 71b29c9beccb97965b1cef70ad77d3a3f99a83eb SHA-256: 436aba2764292ae58ebd0b7d395166a76be9fad9f05f4f169a8c6c58206b6606
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to known malicious redirectors, disguised as 'free followers' or 'game hacks'. The document body explicitly contains the URL 'https://netcdn.xyz/app/835599320/free-followers-on-tiktok-game-hack' and a call to action to click for access. This indicates a social engineering lure to drive traffic to malicious sites, likely for further exploitation or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7885

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-followers-on-tiktok-game-hack In PDF document text
    • http://www.thecoffeebaron.co.za/images/coin-master-hack-mod-apk_GM406889139.pdfIn PDF document text
    • http://www.thecoffeebaron.co.za/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.thecoffeebaron.co.za/images/is-roblox-free-on-pc_GM431946152.pdfIn PDF document text
    • http://www.thecoffeebaron.co.za/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.thecoffeebaron.co.za/images/how-to-get-minecraft-coins-for-free_GM479516143.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_off00003aa3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3AA3 24608 bytes
SHA-256: 05ea82000860808dd5ca517c33fae4ae335309b796b64a141e43f2d11037abf8
font_01_sfnt_off00007326.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7326 3020 bytes
SHA-256: a25dd369663f6ae5f2acb88cb27d80036ae7770caf820332576065f89ba4cbc6
font_02_sfnt_off00007da7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA7 17692 bytes
SHA-256: 03131e98da2a54a1a72f5b4aa345640c80e569685032efd5f04fb63d3df01f9e

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