PDF malware analysis — malicious · 1c702b78306382b8

MALICIOUS

PDF

34.2 KB Created: 2021-06-18 05:38:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: c2ae91ed1d620c58c62bd8f0121eaa98 SHA-1: 35417fed52c7ff574befaade21fd9fecbbd5bd15 SHA-256: 1c702b78306382b8901552e626eb51998b7e8dc77f1e529556148fd1860744b6

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple links, including one identified as a malicious redirector, that lead to pages offering game hacks and generators. The primary malicious link is http://netcdn.co/app/431946152/cheat-codes-roblox-solar-strike-game-hack, which is likely intended to deliver a secondary payload or phish for credentials. The document's content and embedded URLs strongly suggest a social engineering tactic to lure users to malicious infrastructure.

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/cheat-codes-roblox-solar-strike-game-hack In PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/cheat-engine-kill-al-script-roblox_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-free-pin_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-tiktok-followers-app_GM835599320.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-free-ios_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-hack-2021_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-do-i-get-free-coins-in-coin-master_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-to-hack-coin-master-root_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-free-daily-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-windows-10-free-code_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-apk-hack-mod-download_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-tiktok-app_GM835599320.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/roblox-money-hack_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/how-get-free-gear-on-roblox_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-roblox-com_GM431946152.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/free-minecraft-worlds_GM479516143.pdfIn PDF document text
- https://www.misceren.com/home/misceren/public_html/upload/files/minecraft-mac-free_GM479516143.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_off00002f41.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F41	22276 bytes
SHA-256: `5fad62f67821e5799036f43a1ef8c9f740ff86ef2c4314ff4e488689d3a0da64`
`font_01_sfnt_off00006084.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6084	19032 bytes
SHA-256: `ee8c298ab1900dd6aedb263c506b7bc2d7998b26eb72dd1e2b165225c06375db`

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