Malicious PDF — malware analysis report

Static analysis result for SHA-256 f95c7b9008248486…

MALICIOUS

PDF

36.5 KB Created: 2021-05-19 06:10:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2cace08f6ca399be4e687398e9ec652b SHA-1: e29f385174927fc34ea0a6339e22cbe7a87e1244 SHA-256: f95c7b90082484867baf290f2f8daa1a49bf40e39add0f95677d013279959fd7
130 Risk Score

Malware Insights

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

The PDF contains a critical heuristic firing for a malicious redirector link, specifically advertising a "free generator / game hack" for PUBG. The embedded URL leads to known malicious infrastructure. The document body also contains a call-to-action phrase, reinforcing the lure. While no scripts were extracted, the PDF's nature and the malicious URL strongly suggest an attempt to redirect the user to a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier clean score 0.0312

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/1330123889/how-to-pubg-uc-hack-2021-game-hack In 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_003_off000031c1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x31C1 25796 bytes
SHA-256: 0f17d4c53cc791ea2d7b482fb119f1127add21092c781c95c3127be99bb85fb1
font_01_sfnt_off00006ae3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6AE3 19004 bytes
SHA-256: 26601c78492c3dd87008fc52bf5674509f9c0721e38826de708be2973217c2ea

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