Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab6e755e5fff4d40…

MALICIOUS

PDF

40.4 KB Created: 2021-05-21 00:21:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 2b9237fb2b21b2dc40589300ac3137a2 SHA-1: ff119478a6ca255709385531a797bae0fa6e0d74 SHA-256: ab6e755e5fff4d40d23e02cc5351db662ef3f3e9c5bb0b10f8ca30d6fefb22c6
122 Risk Score

Malware Insights

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

The PDF document contains multiple lures related to game hacks and free generators, directing users to external URLs. One heuristic specifically identifies an MFA/one-time-code harvesting lure, suggesting a credential phishing attempt. The document body also contains a prominent "CLICK HERE TO ACCESS ROBLOX GENERATOR" call to action, reinforcing the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7776

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.
  • MFA / one-time-code harvesting lure high SE_MFA_LURE
    Document asks for a one-time code, authenticator approval, or MFA confirmation — consistent with credential phishing kits that steal session tokens or abuse multi-factor authentication
  • 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/how-to-hack-roblox-for-robux-game-hack PDF link annotation
    • http://mycookingpot.com/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://mycookingpot.com/images/best-free-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • http://mycookingpot.com/images/pubg-uc-ykleme-midasbuy_GM1330123889.pdfIn PDF document text
    • http://mycookingpot.com/images/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • http://mycookingpot.com/images/coin-master-free-spins-link-download-hack_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00003605.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3605 26460 bytes
SHA-256: fe32f1f7e46327c18abcce55a04068274edac9b98edd5fae9b26c94397392dba
font_01_sfnt_off0000719e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x719E 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off00007b4d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B4D 18648 bytes
SHA-256: 7689b6731d47fc176aef925fc5194a10a34d162e90d7014a3ccea13949bcaf7e

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