PDF malware analysis — malicious · c090daae393721d0

MALICIOUS

PDF

43.8 KB Created: 2021-05-17 19:02:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: e479f7c51a0be6c4a4df3b626d6abef3 SHA-1: 0904decc1b15a61f75ade5b38d2b4e5cabaf134a SHA-256: c090daae393721d0dc47664e4898bdff53ae577d56c9587d4558183c790692f0

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

Heuristics 4

PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE

PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
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/roblox-free-hair-codes-game-hack PDF link annotation
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/websites-for-robux_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/minecraft-for-ps3-free_GM479516143.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-100-spin_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-robux-mod_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/hack-coin-master-free_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-daily-spin-link-app_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/free-online-generator-for-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/freerobuxhack-us_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/how-to-get-robux-easy_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/robux-hack-me_GM431946152.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
- https://elearning.mtsn1kotabekasi.com/__statics/gudangsoal/files/make-free-robux_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004d59.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4D59	25456 bytes
SHA-256: `7437aba18238feef6fe97d8ad5d45ef7ce019e4435315e85e62edc5b6bf3bb47`
`font_01_sfnt_off00008845.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8845	18472 bytes
SHA-256: `0c34ab104977070915151016e24e35187f8354093682c5401cbbc3770fde4f5e`

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