PDF malware analysis — malicious · a87cb8ea6144c22e

MALICIOUS

PDF

47.3 KB Created: 2021-05-19 23:37:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: 931b04b318ce84200950010b0bcb559b SHA-1: 2a670bb6d483a096591a96fe251bbb76350ca22b SHA-256: a87cb8ea6144c22e93608bb7a9c7c79b0398ce7af49528be885cdeca545ca269

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and a document body that mimics a download page for Minecraft, with a prominent link to a suspicious URL. The presence of numerous external links, many with 'hack' or 'free spins' in their titles, suggests a link farm designed to redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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.xyz/app/479516143/minecraft-bedrock-download-pc-free-game-hack
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/como-hackear-coin-master-2021_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-on-facebook_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/omplete-surveys-for-coin-master-free-spins_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/get-free-spins-coin-master-2021_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-spins-link-ios_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-cards-hack_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/hack-my-spins-coin-master_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-codes-generator-no-verification_GM431946152.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-coins-for-flip-master_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/minecraft-ps3-free-download_GM479516143.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/como-hackear-el-juego-coin-master-en-espaol_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-heaven-links-free-spins_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/minecraft-mobile-free_GM479516143.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-spin-today-2021_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-hack-without-verification-ios_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-websites-2021_GM431946152.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/easy-free-spins-coin-master_GM406889139.pdf
- https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-no-human-verification-or-survey_GM431946152.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_off0000501e.bin` `2ed58b8dd03f562d17a7672631517f1112bf11bc0fd0429a3f04c669a895e5bf`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x501E	25664 bytes
`font_01_sfnt_off00008aba.bin` `801f6fa60decd1add2f223f91580103c35e150c924465f86a7a572b3e00674f9`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8ABA	3128 bytes
`font_02_sfnt_off000094f9.bin` `a264e86136786ea36ffe75565c0a75df0f10437a5612c71f93040c03370f29a0`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94F9	18828 bytes

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