PDF malware analysis — malicious · 4e704d460033fda2

MALICIOUS

PDF

46.0 KB Created: 2021-05-14 23:53:23 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 146fde40f1568b4b3487d8c5c3965878 SHA-1: d3edd81b4be2c64b3fbce50c06a3d7e43b49f3c1 SHA-256: 4e704d460033fda2e070976c6f1302da397a2243939dba21c73a100e77d05c29

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 0.9432

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/free-roblox-card-game-hack PDF link annotation
- https://elearning.man3medan.com/__statics/gudangsoal/files/get-free-spins-on-coin-master-links_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/coin-master-hack-apk-35-8_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/robux-download_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/how-many-levels-are-in-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/coin-master-hack-apk-2021_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/free-spins-coinmaster_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/free-robux-no-verification-2021_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/roblox-report-hacker_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/free-spin-in-coin-master_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/https-oprewards-com-roblox_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/hacked-roblox-game_GM431946152.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/minecraft-free-ios-no-verification_GM479516143.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/www-coin-master-hack_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/coin-master-free-spins-links-app_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/how-to-generate-free-coin-master-spin_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
- https://elearning.man3medan.com/__statics/gudangsoal/files/coin-master-hack-uk_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004800.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4800	25684 bytes
SHA-256: `b7446109660332c0c29b88645d5d3e7c31ba35c85406a967da5297acbf4c9558`
`font_01_sfnt_off0000843b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x843B	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off000090e3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x90E3	18348 bytes
SHA-256: `112d0d0d53092b330ca0b2276e93dcc27866393801cc1956065b4b485469ba66`

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