PDF malware analysis — malicious · a317c98e19364b0f

MALICIOUS

PDF

46.2 KB Created: 2021-05-16 21:41:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: e08e639635f76197c8469c3d136891e1 SHA-1: 5a99cbd0190a2cc573115c4b5790510b6a4c2a0e SHA-256: a317c98e19364b0f378703607a78f1b5c03f0898a1b80bdd76d4ebd7dea2b0ba

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF contains a high-severity heuristic firing for a 'GAME_HACK_REDIRECT_LURE' pointing to a URL associated with free game hacks. The document body, though partially corrupted, also contains references to 'Robux' and a similar URL, reinforcing the lure. While no scripts were explicitly extracted, the PDF structure and embedded links suggest an attempt to redirect users to malicious websites, likely for phishing or malware distribution.

Machine Learning

Nyx PDF Classifier malicious score 0.9278

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/can-you-get-robux-for-free-game-hack PDF link annotation
- http://asiasieja.pl/images/how-to-get-minecoins-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-hack-apk-app_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://asiasieja.pl/images/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-hack-pc-2021_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/free-minecraft-addons_GM479516143.pdfIn PDF document text
- http://asiasieja.pl/images/roblox-robux_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-hack-xyz-apk-download_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/level-coin_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-vip-hack_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/how-to-get-free-robux-by-playing-games_GM431946152.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-hacks-that-actually-work_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-free-coins-link-march-2021_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/minecraft-windows-10-free_GM479516143.pdfIn PDF document text
- http://asiasieja.pl/images/free-coin-master-account_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/coin-master-hack-apk-facebook-login_GM406889139.pdfIn PDF document text
- http://asiasieja.pl/images/get-free-spins-coin-master-link_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_off00004ae5.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AE5	27644 bytes
SHA-256: `2d75d2d1e1962ce1900f9e8e1b8f2602cddd25b772748362f70b5cbdcfaea6ae`
`font_01_sfnt_off000087cb.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x87CB	2824 bytes
SHA-256: `94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4`
`font_02_sfnt_off00009179.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9179	18508 bytes
SHA-256: `c061b59ab901ec7c7e5d17bc5fec7ace191fd36e08e64edc0ca642be8bf86a0e`

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