Malicious PDF — malware analysis report

Static analysis result for SHA-256 569658b68d78ab9b…

MALICIOUS

PDF

41.8 KB Created: 2021-05-22 10:41:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 614b7acd439b10e2a30d0f550c956cd9 SHA-1: 4ac844f640ae2e9c8f9ab5f9a595412561cce5a1 SHA-256: 569658b68d78ab9b88774b3762b6755cd3d063b25bd270d5684ccc52479216af
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded links and text that lure users with promises of game hacks and generators, specifically mentioning Roblox. The primary malicious URL identified is https://netcdn.xyz/app/431946152/hacks-roblox-game-hack, which is likely used to deliver a secondary payload or redirect to a phishing site. The presence of multiple related PDF links suggests a campaign distributing similar lures.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7466

Heuristics 4

  • 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.
  • 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/431946152/hacks-roblox-game-hack PDF link annotation
    • http://matweb.pl/images/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://matweb.pl/images/link-coin-master_GM406889139.pdfIn PDF document text
    • http://matweb.pl/images/coin-master-free-spin-2912-2021_GM406889139.pdfIn PDF document text
    • http://matweb.pl/images/body-roblox_GM431946152.pdfIn PDF document text
    • http://matweb.pl/images/roblox-comcom_GM431946152.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_off00003227.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3227 28704 bytes
SHA-256: 72f7136dc8aef4d4bbda28868c1a9de2cbc65573fa98c2c74a1dc4200fcb474d
font_01_sfnt_off00007527.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7527 5696 bytes
SHA-256: 450e3ee45915afe13702bf1d587eb8b9ad88a8d2113419ac9f2fd116a828e139
font_02_sfnt_off00008238.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8238 18184 bytes
SHA-256: 7ce99462d7db30d9d686f16fdffa062e1f918298e62a3f0da8fa4bf2d2fabb79

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