PDF malware analysis — malicious · d0640496f3211a0f

MALICIOUS

PDF

43.6 KB Created: 2021-06-03 05:46:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 6099cfddd7d58b76a3b0cd5b96361fe2 SHA-1: a3a1e199e9b8f37ee68a11aa1aca4480d3edbc39 SHA-256: d0640496f3211a0f33403b1c3841741b2a1823c1ad00a6d71ea739d2b6b21c51

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The document contains a lure for free spins on Coin Master, directing users to a URL that likely hosts a malicious payload or phishing content. The heuristic 'SE_SECRET_RECOVERY_LURE' indicates the document may also attempt to harvest sensitive information like private keys or passwords. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a potential for exploitation, possibly via JavaScript, to facilitate further malicious activity.

Machine Learning

Nyx PDF Classifier malicious score 0.9865

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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.online/app/406889139/coin-master-free-spin-link-list-game-hack
- https://lib.unitri.ac.id/repository/free-robux-just-enter-username_GM431946152.pdf
- https://lib.unitri.ac.id//repository/robux-hack-2021_GM431946152.pdf
- https://lib.unitri.ac.id/repository/how-to-get-more-spins-on-coin-master-hack_GM406889139.pdf
- https://lib.unitri.ac.id/repository/minecraft-free-download-windows_GM479516143.pdf
- https://lib.unitri.ac.id/repository/how-to-get-free-robux-codes_GM431946152.pdf
- https://lib.unitri.ac.id/repository/create-minecraft-server-free_GM479516143.pdf
- https://lib.unitri.ac.id//repository/coin-master-hack-ios-download_GM406889139.pdf
- https://lib.unitri.ac.id//repository/coin-master-hack-8-ball-pool_GM406889139.pdf
- https://lib.unitri.ac.id/repository/free-robux-com-no-verification_GM431946152.pdf
- https://lib.unitri.ac.id//repository/free-coin-master-hacks_GM406889139.pdf
- https://lib.unitri.ac.id/repository/roblox-robux-hack_GM431946152.pdf
- https://lib.unitri.ac.id//repository/coin-master-hack-2021_GM406889139.pdf
- https://lib.unitri.ac.id//repository/rbxoffers-com-free-robux_GM431946152.pdf
- https://lib.unitri.ac.id//repository/blogspot-coin-master-free-spins_GM406889139.pdf
- https://lib.unitri.ac.id/repository/free-spins-on-coin-master-2021_GM406889139.pdf
- https://lib.unitri.ac.id//repository/how-to-get-free-stuff-on-roblox_GM431946152.pdf
- https://lib.unitri.ac.id//repository/coin-master-free-spins-app-android_GM406889139.pdf
- https://lib.unitri.ac.id/repository/mobihack-net-roblox-hack_GM431946152.pdf
- https://lib.unitri.ac.id/repository/roblox-hack-ios_GM431946152.pdf
- https://lib.unitri.ac.id//repository/wurst-mc_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000507b.bin` `c39a91cf0c87f14091b9e276bee9431e18a7602d6cfc3ba93d25bb8100e2c183`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x507B	24584 bytes
`font_01_sfnt_off000088ab.bin` `a4f33549350803e8a819cbfad6b4ff3cdc0b302ceab74af9f2f663eab6bd9ec0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88AB	18056 bytes

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