PDF malware analysis — malicious · 35339a99f1a79b6b

MALICIOUS

PDF

46.9 KB Created: 2021-05-20 04:45:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 0498a2a4072d5b140cee787ba69e62e0 SHA-1: 5134057361421a08f8926c206410359265245bd0 SHA-256: 35339a99f1a79b6b22426277af9bd9a18b5169c2f75714190ecded849a7aa3eb

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free currency, indicated by heuristics like 'PDF_GAME_HACK_REDIRECT_LURE' and the embedded URL. The document body, though partially corrupted, contains references to 'Robux Generator' and a URL that reinforces this theme. The presence of embedded URLs suggests an attempt to redirect the user to a malicious site, likely for credential harvesting or further malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.8948

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/robux-generator-that-works-game-hack PDF link annotation
- http://lawpatron.ru/images/roblox-no-download-hack_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/bux-gg-robux-free_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/link-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-daily-bonus-hack_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-links-to-free-spins_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coinmaster-hack_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/free-minecraft-printables-food-labels_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/free-robux-hack_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/minecraft-survival-free_GM479516143.pdfIn PDF document text
- http://lawpatron.ru/images/earn-robux-today_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/roblox-online-free_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-hack-fast_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-free-spin-and-coin-link-haktuts-hacking-news_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-20-free-spins-link-2021_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/free-coin-master-gifts_GM406889139.pdfIn PDF document text
- http://lawpatron.ru/images/free-robux-2021-no-verification_GM431946152.pdfIn PDF document text
- http://lawpatron.ru/images/best-minecraft-hacked-client-2021_GM479516143.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_off0000493d.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x493D	26936 bytes
SHA-256: `ea89fd70f0212b6215e1d68163c34622f76e8ec236f4cee355e0097fdd1e3104`
`font_01_sfnt_off000086fb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x86FB	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off000093a2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x93A2	18716 bytes
SHA-256: `15f7490cbb63360669c63d4e0309a96c1c9c92749ad38ff6b0bd5fc046bedbd7`

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