PDF malware analysis — malicious · 64f6f35c78e6521e

MALICIOUS

PDF

45.6 KB Created: 2021-06-04 04:24:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: a335c6e2509bfa02253102cd96ce5acf SHA-1: bc4e30e82398ef841cda165554c66dc983fcd3c2 SHA-256: 64f6f35c78e6521e72353ab372de436c449cdcaa493356c590b98c02199206de

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 User Execution: Malicious File

The PDF document contains a malicious machine learning classification and a heuristic indicating a social engineering attack consistent with ClickFix. The document body contains a URL that appears to be a lure for downloading an application, and the heuristics suggest the user is instructed to run a command, likely to execute a downloaded payload. The presence of a malicious URL and social engineering tactics points to a phishing or scam attempt.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 4

ClickFix social engineering attack high SE_CLICKFIX

Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
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/479516143/apps-to-get-minecraft-for-free-game-hack
- https://lib.unitri.ac.id/repository/cm-free-spins-and-coins_GM406889139.pdf
- https://lib.unitri.ac.id//repository/hack-coin-master-online-without-human-verification_GM406889139.pdf
- https://lib.unitri.ac.id//repository/free-robux-place_GM431946152.pdf
- https://lib.unitri.ac.id/repository/instagram-free-coin-master-spins_GM406889139.pdf
- https://lib.unitri.ac.id//repository/free-roblox-gift-card-codes_GM431946152.pdf
- https://lib.unitri.ac.id//repository/coin-master-daily_GM406889139.pdf
- https://lib.unitri.ac.id/repository/get-free-spins-coin-master_GM406889139.pdf
- https://lib.unitri.ac.id//repository/minecraft-launcher-download-free_GM479516143.pdf
- https://lib.unitri.ac.id/repository/coin-master-cheats-free-spins_GM406889139.pdf
- https://lib.unitri.ac.id//repository/roblox-hax_GM431946152.pdf
- https://lib.unitri.ac.id//repository/coin-master-hack-programers_GM406889139.pdf
- https://lib.unitri.ac.id//repository/free-coin-master-spins-blog_GM406889139.pdf
- https://lib.unitri.ac.id/repository/how-to-play-minecraft-for-free-on-pc_GM479516143.pdf
- https://lib.unitri.ac.id/repository/how-to-get-free-robux-without-email_GM431946152.pdf
- https://lib.unitri.ac.id//repository/coin-master-spin-hack-trick_GM406889139.pdf
- https://lib.unitri.ac.id/repository/roblox-avatar-free_GM431946152.pdf
- https://lib.unitri.ac.id/repository/coin-master-blogspot_GM406889139.pdf
- https://lib.unitri.ac.id/repository/robux-earner_GM431946152.pdf
- https://lib.unitri.ac.id//repository/apk-hack-coin-master_GM406889139.pdf
- https://lib.unitri.ac.id/repository/pokemon-go-free-7km-eggs-august-2021_GM1094591345.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_off00005667.bin` `3e425bb487ec872046f17767c0a13d4be0e4805dd502a696892e06fe5a51db6e`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5667	25812 bytes
`font_01_sfnt_off000090f0.bin` `4134fedd636fdbecd148c3695cd5288f8e02410e5797e7f05767ae301205484f`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90F0	17884 bytes

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