PDF malware analysis — malicious · eac81a63541d9c6f

MALICIOUS

PDF

47.9 KB Created: 2021-06-03 08:36:42 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26

MD5: 619d63f57aa8784163dc2032c95e8761 SHA-1: 48741dd9d2b46be6e56d0fbbc5e028b2c7a71f50 SHA-256: eac81a63541d9c6fdde13cf279f1fa3ac966eb71b2aa7304de8c5343c96bc576

180 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and infrastructure, disguised as game hacks. The document body and embedded URLs suggest a lure to download or access potentially unwanted or malicious content. The presence of multiple redirector links indicates a strong intent to lead the user to malicious sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

Heuristics 5

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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-hacks-and-cheats-game-hack In PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/roblox-free-robux-hack_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-discord-servers_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-games-on-roblox_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/wwwcoin-master-hack-apk_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/how-to-coin-master-hack_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/can-you-make-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-links-for-free-spins-2021_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/minecraft-hacks-18-9_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/minecraft-multiplayer-free_GM479516143.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/coin-master-cheat-codes-free_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-roblox-adopt-me-accounts_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-without-verification-2021_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/free-robux-games_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/how-to-hack-any-roblox-account_GM431946152.pdfIn PDF document text
- http://www.alajwakh.com/uploaded_files/userfiles/files/how-to-get-free-spins-on-coin-master-2021-iphone_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
`font_00_sfnt_off00005198.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5198	25228 bytes
SHA-256: `d0c40fa157f1302f991d2fe4b6253e700b134161a830c937fef7c7b244774cd1`
`font_01_sfnt_off00008a97.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8A97	3884 bytes
SHA-256: `40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf`
`font_02_sfnt_off0000973e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x973E	18624 bytes
SHA-256: `fd38699d39b76a4f9eae772e1d62c447b40f492bf7651a7365d5b223074a20b1`

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