Malicious PDF — malware analysis report

Static analysis result for SHA-256 af0c9db687b059ca…

MALICIOUS

PDF

35.9 KB Created: 2021-06-18 12:47:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: f469a7c20d13284eeff83a1536c07377 SHA-1: 8c598b6c0d08a4faf8db4372c0b70a68cf8f96c8 SHA-256: af0c9db687b059ca26362cf17f73368f845813c339d966b1f4be983e258682de
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple embedded URLs that redirect to websites offering game hacks and cheats, a common lure for phishing or malware distribution. The ML classifier strongly indicated maliciousness, and the PDF_GAME_HACK_REDIRECT_LURE heuristic confirms the deceptive nature of the content. No scripts were extracted, but the document's primary function appears to be directing users to potentially harmful external sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-money-codes-in-roblox-vehicle-simulator-game-hack PDF link annotation
    • http://dcmetroapp.com/images/free-robux-no-personal-information_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/coin-master-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/minecraft-classic-free_GM479516143.pdfIn PDF document text
    • http://dcmetroapp.com/images/how-to-become-a-hacker-in-roblox_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/hacked-shirts-roblox-2021_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/coin-master-gameplay_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/coin-master-free-spins-link-today-instagram_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/can-you-download-roblox-on-ps4-free_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/blogspot-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/get-free-gold-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/robux-free-online_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/coin-master-free-spins-link-blogspot-2021_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/roblox-games-to-play-for-free_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/roblox-free-no-download_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/funbloxxyz-free-robux_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/rblx-city-free-robux_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/how-to-get-a-lot-of-robux_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://dcmetroapp.com/images/ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://dcmetroapp.com/images/cheats-coin-master-free_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
font_00_sfnt_off00003192.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3192 22936 bytes
SHA-256: 944dccd1ca14054fc9dd3b0d9185316b22d1e05250ca76be8875b223e84e83be
font_01_sfnt_off00006500.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6500 19940 bytes
SHA-256: 62c795001e971fca10f147941e4ea32b4c62975ba8949fdda3a6605d42b082f6

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