Malicious PDF — malware analysis report

Static analysis result for SHA-256 9324179ff94531a0…

MALICIOUS

PDF

40.4 KB Created: 2021-05-11 18:00:22 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 71f70873dbc81b613e5d64050bfe2128 SHA-1: 317a865eeed9b9bfa33f499788989e37be4ac8e0 SHA-256: 9324179ff94531a0d0462b4bcc035c6c4ba42eb47bfb2ad17d8a50db66d44bac
130 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious URL, masquerading as a game hack generator. The document body and metadata further reinforce this lure. The primary function appears to be directing users to malicious infrastructure, likely for further exploitation or credential harvesting.

Machine Learning

  • Nyx PDF Classifier clean score 0.0128

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/406889139/coin-master-free-spins-hack-game-hack In 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_003_off00003608.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3608 25424 bytes
SHA-256: 0432f847dc29c60d4d9a8e2a203e14290cce1a967936a4eb07a0ce6ad6fb61c0
font_01_sfnt_off00007032.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7032 3664 bytes
SHA-256: dec547a9e71fc2332f9dffd82a96910699159200d70b4a02eda9d322231ada6e
font_02_sfnt_off00007d1c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7D1C 18056 bytes
SHA-256: 5bc30252b20e252a4e4f12754ee6fd7a8bdc905346c0352a18cf9aa56584dd16

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