PDF malware analysis — malicious · f4edb93a128424dd

MALICIOUS

PDF

45.3 KB Created: 2021-06-03 12:28:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: bc6c4e5ea4b08649d5bf415957c694ad SHA-1: 86a10c399b49cdfaaadbc0227afd91fd301acf03 SHA-256: f4edb93a128424dd5cab545fd7d13a93c7374e7b3279ef453f9f8b04bb43b219

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a common lure of game hacks and free currency to entice users. It contains numerous external links, many pointing to PDFs hosted on the same domain, suggesting a link farm or SEO manipulation tactic. The primary URL leads to a page promising Roblox hacks, aligning with the 'game hack redirector' heuristic. While no scripts were explicitly extracted, the PDF structure and embedded links are indicative of a malicious workflow designed to drive traffic to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 5

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.
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.online/app/431946152/roblox-people-girl-game-hack PDF link annotation
- https://www.insol-europe.org/uploads/files/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-hack-tool-v1-9-apk_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/pokemon-go-hack-free-download-ios_GM1094591345.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-2021-robux-for-free_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/is-minecraft-free_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/rbx-roblox-robux_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-com_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-coin-master-hacks-no-verification_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/is-minecraft-free-on-xbox-one_GM479516143.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/roblox-hack_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-infinite-robux_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-robux-no-password_GM431946152.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-spins-for-coin-master-ios_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/free-coins-on-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.insol-europe.org/uploads/files/files/coin-master-mod-apk-free-download-for-android_GM406889139.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
`stream_004_off00005266.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x5266	26640 bytes
SHA-256: `5bfd6a0a92d354777b30a089d99ecfe1af593b6bc02325a0d964642662df6507`
`font_01_sfnt_off00008ee8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EE8	18232 bytes
SHA-256: `2c4b1e54e23ec6bbd5623f0337a8cca6ae55b6d4ff98ea4cc147b37d00c51703`

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