PDF malware analysis — malicious · 209ca7d525239c13

MALICIOUS

PDF

47.3 KB Created: 2021-06-03 05:02:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 5e8792ba25e922527376a7f006797eca SHA-1: 078f170fa78a5db68d12d8e2df70b27b084c530f SHA-256: 209ca7d525239c13125644dda717329187dfd65309192919915b958d8fb4082b

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains numerous embedded links, many of which are part of a link farm designed to appear as legitimate content related to popular games like Coin Master and Roblox. The primary URL points to a resource that claims to offer hacks for these games. This suggests a social engineering tactic to direct users to potentially malicious websites for scams or further compromise.

Machine Learning

Nyx PDF Classifier malicious score 0.9769

Heuristics 4

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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-and-coin-game-hack
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-links-for-free-spins-2021_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-gift-cards_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/roblox-report-hacker_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-free-coins_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/reddit-coin-master-hack_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-free-food-on-coin-master_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-stop-attack-hack_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/roblox-free-followers_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-much-robux-can-you-get-with-1-million-dollars_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-hack-version-2021-free-download_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-do-u-get-free-robux_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-hack-2021_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/roblox-free-online-game_GM431946152.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-email-rewards-link_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-free-spins-1-coin-master_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/coin-master-100-free-spins-link_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/free-coins-and-spins-for-coin-master_GM406889139.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/how-to-get-minecraft-java-for-free_GM479516143.pdf
- https://www.interiormurahjogja.com/ckfinder/userfiles/files/minecraft-free-school_GM479516143.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off000051db.bin` `29425f5463393535eb0a134500addf483bf2a23d2002116b67ff6a96f24b1552`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x51DB	25416 bytes
`font_01_sfnt_off00008c7c.bin` `e8dca988325d5b5adea380508eed68725fcb814536e93cd420f224b7166adc23`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8C7C	2944 bytes
`font_02_sfnt_off000096a8.bin` `7f8980b6f3213b204c7b050e62c653166806b65682437d624869b2fc7a4cb6a7`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x96A8	18060 bytes

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