PDF malware analysis — malicious · 678a1bbd05ab1a0d

MALICIOUS

PDF

33.9 KB Created: 2021-06-24 12:35:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: a77d2d821d946b6da706fdedae4d60d4 SHA-1: 5d2705bd0f1fa3fdf95ab70aebe33b6de241c209 SHA-256: 678a1bbd05ab1a0dbe72bffe8efd867736f2c799505f37b953a9a0985f0f6baa

162 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document contains numerous links, identified as a 'PDF SEO Link Farm', designed to redirect users to sites offering game hacks and generators. The primary lure is for 'com-roblox-game-hack' and 'coin-master-hack', indicating a scam or malware distribution attempt. While no scripts were extracted, the PDF structure and embedded links suggest an attempt to exploit user interest in free in-game items to deliver a malicious payload or redirect to a phishing site.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 6

Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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.
Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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.co/app/431946152/com-roblox-game-hack PDF link annotation
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-pc-free_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/daily-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-game-free-download_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-free-daily-spins-link_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-using-lucky-patcher_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/can-you-get-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/free-coins-coin-master-link_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/where-pokemon-go-free-download_GM1094591345.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/free-robux-link_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/how-to-hack-robux-with-cheat-engine-2021_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/cm-spin-link_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/hack-coin-master-game-apk-download_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-heaven-daily-free-spins_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/free-robux-gift-card-codes-2021-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.hagleygolfclub.co.uk/admin/ckfinder/userfiles/files/how-to-hack-roblox-accounts-on-phone_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_off00002daf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DAF	22660 bytes
SHA-256: `cd5aabb554531934e7165978e8777d26dee5d4a3c817f7a92e7e6f7323c5911e`
`font_01_sfnt_off00006063.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6063	18748 bytes
SHA-256: `5efbdd91acf04ee4189407ecfbc860d70cb86f9bc4f939de663b44da789917cd`

Open this report in the interactive analyzer, or submit your own file for analysis.