PDF malware analysis — malicious · d4c02447ed97aa26

MALICIOUS

PDF

34.7 KB Created: 2021-07-05 07:05:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 0068b826f99ef6d6d71365b31fbbc817 SHA-1: 6117c867ec42003a5a36d9052d4006d44e61b30e SHA-256: d4c02447ed97aa2697c3af027577693795bfdd979e452016e684f57a65e71d41

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.tw/app/431946152/free-robux-place-game-hack PDF link annotation
- http://nationshield.ae/userfiles/files/coin-master-hack-2021-without-verification_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-ad_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-free-download-android-apk_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-cheat-codes-for-elemental-war_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-coins-for-coin-master-blogger_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-email-rewards_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/robux-sites_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/how-to-be-rich-in-roblox-free_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/piano-hack-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-roblox-gift-card-codes-2021-unused_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/hack-tower-battle-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/free-draw-roblox_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/real-hack-for-coin-master_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/my-roblox-account-was-hacked_GM431946152.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/coin-master-free-spins-and-coins-haktuts_GM406889139.pdfIn PDF document text
- http://nationshield.ae/userfiles/files/minecraft-free-edition_GM479516143.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_off0000307a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x307A	22620 bytes
SHA-256: `1ee56e0904ee1f7d330ab5a028363010571792750db0dbcc17f3f58a61b6c0bf`
`font_01_sfnt_off00006310.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6310	18944 bytes
SHA-256: `b09bc8733bdd60a9e3d807131716c526420abed0d95e213ec937364ccfb38658`

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