PDF malware analysis — malicious · 5344b97f6c0e045c

MALICIOUS

PDF

34.9 KB Created: 2021-07-01 20:08:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 032ce65b29717cb4c0a0a4de75346620 SHA-1: 998aa8b7ebf127f39b3a0cf1f60f64310bba8762 SHA-256: 5344b97f6c0e045cd81b501d428760e2949e088d0d72ade089be0d06b6be586d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/479516143/how-to-get-minecraft-windows-10-for-free-2021-game-hack PDF link annotation
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/roblox-hack-com_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-spins-for-coin-master-on-1-19-19_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/tiktok-likes-free_GM835599320.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-invite-friends-hack_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-robux-generator-no-verification-2021_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/robux-survey_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/offers-to-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/minecraft-free-android_GM479516143.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-400-spin-link_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-hair-roblox-boy_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-robux-generator-codes_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-hack-spin-160-pro_GM406889139.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/optifine-mcpe_GM479516143.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/code-free-robux_GM431946152.pdfIn PDF document text
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-robux-exe_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000317f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x317F	22896 bytes
SHA-256: `24d2e90b11a5256655e0c4cc8480dc030dd7c8b136b1172b563483efd99d0261`
`font_01_sfnt_off000063ba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x63BA	18936 bytes
SHA-256: `d89f9173c68b5ad3f200cf0910130a7487f46ddf269ae4e48135fb236ee99bed`

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