PDF malware analysis — malicious · 714a0bf43a413dc7

MALICIOUS

PDF

35.4 KB Created: 2021-07-09 12:41:08 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01

MD5: 9e22075d8baa8b36dc9e2127efb12880 SHA-1: d68f9b5506dad2ce0a84b2a6600fe7b076c90f25 SHA-256: 714a0bf43a413dc7c15f9861d42e5b8d65cd14ac3311687efeed5c59bb14afde

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 0.9985

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 http://netcdn.tw/app/431946152/roblox-robux-generator-game-hack PDF link annotation
- https://www.italisaitaly.com/uploaded_files/userfiles/files/websites-that-give-you-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-coins-for-planet-master-game_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-booga-booga-hack-download-free_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-trailer-free_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-roblox-wp-themes_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-hack-scripts-download-no-virus_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/ultimate-trolling-gui-roblox-download-free_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/coin-master-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/how-to-get-free-stuff-on-roblox_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/make-robux_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-no-human-verification-no-download-no-survey-2021_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/hack-master-coin-pc_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/coin-master-daily-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/free-robux-without-verification_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/coin-master-free-coins-and-spins-hack_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/hack-my-spins-coin-master_GM406889139.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-naruto-final-bond-ninetails-hack_GM431946152.pdfIn PDF document text
- https://www.italisaitaly.com/uploaded_files/userfiles/files/roblox-account-stealing-hack_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_off000033d6.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33D6	22436 bytes
SHA-256: `be8fbebc33828f8232599769fdc2f7e92f0f1c1369e7779b0f5bbe1ff6e0151d`
`font_01_sfnt_off0000660a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x660A	18728 bytes
SHA-256: `787ffc0141419081af677b20e4d0e419e4bbb483b05840f2e673f9ef6eccfe79`

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