Malicious PDF — malware analysis report

Static analysis result for SHA-256 6961afe7a50a4390…

MALICIOUS

PDF

36.2 KB Created: 2021-05-23 07:52:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ae6f3f07160d4da77c50773cc2f45f1d SHA-1: 55506161940314cfc72c8a9bde4f7b144f16da90 SHA-256: 6961afe7a50a439047d5026b60e4406ea5b782c07f479489e786c75b7b19e0c6
122 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document uses a lure related to 'free game hacks' to entice users to click on a malicious URL. The document body and heuristics indicate a redirection to a site offering a 'Minecraft generator', which is a common pretext for delivering malware. The presence of multiple related URLs suggests a campaign focused on exploiting interest in free game cheats to distribute malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9492

Heuristics 5

  • PDF links to a 'free generator / game hack' redirector high 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.
  • Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
    Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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/479516143/play-minecraft-pocket-edition-for-free-game-hack PDF link annotation
    • http://dermatologos-thessaloniki.gr/images/coin-master-free-spins-hack-without-human-verification_GM406889139.pdfIn PDF document text
    • http://dermatologos-thessaloniki.gr/images/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
    • http://dermatologos-thessaloniki.gr/images/coin-master-free-pet-snacks_GM406889139.pdfIn PDF document text
    • http://dermatologos-thessaloniki.gr/images/how-to-hack-mcpe-master-coins_GM406889139.pdfIn PDF document text
    • http://dermatologos-thessaloniki.gr/images/coin-master-free-spin-and-coin-links_GM406889139.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000333f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x333F 24672 bytes
SHA-256: 9cd538cc69789dfcd840508eeb11f1c8f947b5b24b28a91aec9113057d4e2bc3
font_01_sfnt_off00006b9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6B9C 18460 bytes
SHA-256: 6c649d819020132e6c1bf6337a465c0b09cd39993cd953cd91e9ee42e31cc7d9

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