PDF malware analysis — malicious · f34014ea55fae05b

MALICIOUS

PDF

44.5 KB Created: 2021-05-14 22:13:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: c471f2fc34d94019cc58abd166a310e7 SHA-1: a81d4e15f0f83fbafdfedc1194ee6bc05a60c84c SHA-256: f34014ea55fae05be55d8832fbaad1e9aa42f396d42cc8e85cd53ab1bf524937

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a prominent external URI pointing to sites offering game hacks and cheats, indicative of a phishing or malware distribution lure. The ML classifier strongly flagged this PDF as malicious, and the presence of download-related text and callback lures further supports a malicious intent to trick users into downloading potentially harmful files. No scripts were extracted, but the document's structure and embedded links suggest it's a phishing document designed to lead users to malicious downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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/406889139/free-coin-master-cards-link-game-hack
- http://studio-dentistico-fiume.com/files/coin-master-hack-apk-with-fb-login-2021_GM406889139.pdf
- https://www.studio-dentistico-fiume.com/files/i-robux_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/free-robux-no-email_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/minecraft-mac-free_GM479516143.pdf
- https://www.studio-dentistico-fiume.com/files/cm-spins_GM406889139.pdf
- http://studio-dentistico-fiume.com/files/give-free-robux_GM431946152.pdf
- https://www.studio-dentistico-fiume.com/files/mcpe-master-hack-unlimited-coins-latest-version_GM406889139.pdf
- https://www.studio-dentistico-fiume.com/files/free-roblox-outfits_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
- https://www.studio-dentistico-fiume.com/files/robux-hack-no-verification_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/robux-robux_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/coin-master-extra-spins_GM406889139.pdf
- https://www.studio-dentistico-fiume.com/files/minecraft-build-hacks_GM479516143.pdf
- http://studio-dentistico-fiume.com/files/free-robux-no-verification-2021_GM431946152.pdf
- https://www.studio-dentistico-fiume.com/files/roblox-free-play_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/coin-master-ids-for-free-spins_GM406889139.pdf
- http://studio-dentistico-fiume.com/files/coin-master-daily-free-spins-link-today-haktuts_GM406889139.pdf
- https://www.studio-dentistico-fiume.com/files/how-to-get-robux-for-free-2021_GM431946152.pdf
- http://studio-dentistico-fiume.com/files/best-free-robux-sites_GM431946152.pdf
- https://www.studio-dentistico-fiume.com/files/free-spins-from-coin-master_GM406889139.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004889.bin` `5bd0801545d6e13c55ba3d301fbc14cf1263de51983b6860861e3f7f593f3425`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4889	25604 bytes
`font_01_sfnt_off00008245.bin` `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8245	2880 bytes
`font_02_sfnt_off00008c30.bin` `9071f122c67917f0b34eb320479b1427d840cc0eff292ee930c0f68fbd18a3b2`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C30	18056 bytes

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