PDF malware analysis — malicious · 2cd0bca9094c2011

MALICIOUS

PDF

50.6 KB Created: 2021-05-16 13:02:01 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 24f0c458cb785707edf6f747486b609d SHA-1: dfc5227b79b6c43f13bd0338ae7db7d90820021a SHA-256: 2cd0bca9094c2011ab38c35fb11f8af33c14dac7a79ebeae1def5a8fffa5cb63

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and a primary external URI pointing to sites offering game hacks, which is a common lure for malware distribution. The presence of a "password-protected archive lure" heuristic suggests the document may be intended to trick users into downloading an encrypted payload, further indicating a malicious intent to deliver secondary malware. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.8594

Heuristics 4

Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE

Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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/hacks-for-roblox-jailbreak-game-hack
- http://papec.ir/images/free-robux-on-phone_GM431946152.pdf
- http://papec.ir/images/free-robux-codes-no-verification_GM431946152.pdf
- http://papec.ir/images/free-robux-no-offers_GM431946152.pdf
- http://papec.ir/images/free-spins-coin-master-2021-app_GM406889139.pdf
- http://papec.ir/images/all-minecraft-handbooks_GM479516143.pdf
- http://papec.ir/images/coin-master-free-spin-daily-bonus_GM406889139.pdf
- http://papec.ir/images/hack-the-game-coin-master_GM406889139.pdf
- http://papec.ir/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
- http://papec.ir/images/martian-lettuce-coin-master-free_GM406889139.pdf
- http://papec.ir/images/robux-earning-sites_GM431946152.pdf
- http://papec.ir/images/coin-master-hacks-that-actually-work_GM406889139.pdf
- http://papec.ir/images/minecraft-java-free-download_GM479516143.pdf
- http://papec.ir/images/free-spins-coin-master-march-2021_GM406889139.pdf
- http://papec.ir/images/free-shirt-roblox_GM431946152.pdf
- http://papec.ir/images/free-coin-master-spins-link_GM406889139.pdf
- http://papec.ir/images/optifine-pe_GM479516143.pdf
- http://papec.ir/images/how-can-you-get-free-robux_GM431946152.pdf
- http://papec.ir/images/free-spins-on-coin-master_GM406889139.pdf
- http://papec.ir/images/coin-master-hacks-xyz_GM406889139.pdf
- http://papec.ir/images/roblox-april-fools-hack_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 4

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000489e.bin` `a46f6224539ca15acc0bb660c26909bfdf266e98d087a4b93ae72e44c517c07b`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x489E	28336 bytes
`font_01_sfnt_off000088d1.bin` `f6b9a386ee4e0aff622a98b2230905da71eab0ca98398cb52018fda3528d3e2a`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88D1	3964 bytes
`font_02_sfnt_off0000962e.bin` `e59bc53cd4c0ee65dc1533becad2866f345dcb060e6c68bb8187d21cb9f973ee`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x962E	3396 bytes
`font_03_sfnt_off0000a220.bin` `0c6da94061aa06f3897ec4e3cf893835e909886797588b4f947a24dee870a8ce`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xA220	18632 bytes

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