PDF malware analysis — malicious · 3fc0bd3cf38e4b65

MALICIOUS

PDF

43.2 KB Created: 2021-05-19 21:12:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 9a4e38bc4ae0b062eb18b45234be3f6d SHA-1: aa1ed0f727abe5e5054fe310c705df6616dfa63e SHA-256: 3fc0bd3cf38e4b65e89d06934e13f954f75591c33b05811ed4eed8e4fbbe25e9

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 0.9969

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/how-to-hack-someones-roblox-account-game-hack PDF link annotation
- http://pakoles.com/assets/CKImages/files/original-roblox_GM431946152.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-raid-link_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/legit-coin-master-hack_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-spins-2021-apk_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/freerobux-co_GM431946152.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/minecraft-svg-free_GM479516143.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-hack-that-actually-works_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/free-minecraft-generator_GM479516143.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-hack-cheat-engine_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/best-free-robux-sites_GM431946152.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-heaven-links-free-spins_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/get-coin-master-free-spin_GM406889139.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/tiktok-likes-free-2021_GM835599320.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/is-roblox-free-on-nintendo-switch_GM431946152.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/free-robux-real_GM431946152.pdfIn PDF document text
- http://pakoles.com/assets/CKImages/files/roblox-free-clothes-codes_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_off00004c48.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4C48	24568 bytes
SHA-256: `a3a74969d65c86cececf7b0d5351345db5c737e85b775e30e17e10b6000b2dce`
`font_01_sfnt_off000084d1.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x84D1	18852 bytes
SHA-256: `030760a2b9f78489f4f2527f4aa1c5c01c299c9e8e159a1c649dae053cbb598d`

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