PDF malware analysis — malicious · 5e41b410577c6953

MALICIOUS

PDF

35.7 KB Created: 2021-06-30 19:22:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-24

MD5: 8aebce722614bc411a5e0a8fc5c2eaf4 SHA-1: 49506d0907a9b1995e7a9d3157f0e88cebd61f08 SHA-256: 5e41b410577c6953aa7e1280d8cce1d0a0e974a2c53ca7ef05648f52ce139475

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game currency and hacks to trick users into clicking embedded links. The primary link, http://netcdn.co/app/431946152/how-to-get-free-money-on-roblox-ultimate-drivin-game-hack, leads to a known malicious redirector. The document's structure and embedded URLs suggest it is part of a phishing campaign designed to deliver malware or lead users to scam websites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

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.
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 http://netcdn.co/app/431946152/how-to-get-free-money-on-roblox-ultimate-drivin-game-hack In PDF document text
- http://achauco.vn/public/upload/files/roblox-que-tem-hacker_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-get-free-tokens-in-minecraft-ps4_GM479516143.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-hack-apk-ios_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-robux-today_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/hack-robux-ohne-cheat-engine_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-get-free-robux-on-computer_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-free-spins-link-today-new_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/umpteen-hacks-roblox_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-get-minecraft-pe-for-free_GM479516143.pdfIn PDF document text
- http://achauco.vn/public/upload/files/apocalypse-rising-roblox-hack-2021_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-free-admin-script_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/coin-master-download-hack_GM406889139.pdfIn PDF document text
- http://achauco.vn/public/upload/files/roblox-hack-other-players-script_GM431946152.pdfIn PDF document text
- http://achauco.vn/public/upload/files/how-to-get-roblox-on-pc-for-free_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_off000030d7.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x30D7	22836 bytes
SHA-256: `81498ef242b9cdd2aa2c41db638ad59f3a789e7668904db8672067b19791e09a`
`font_01_sfnt_off0000641e.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x641E	19956 bytes
SHA-256: `8f8dd9b9f21475a67fadbac93c34a04c45335faf1b9938744efe88fe4071f369`

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