PDF malware analysis — malicious · cc6007ebbec45f08

MALICIOUS

PDF

34.3 KB Created: 2021-07-04 06:50:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26

MD5: ca96efdef2e4b349e6b972c05ea6fc71 SHA-1: c9ba3378169d9d06cf542cb18cf90a8e87317775 SHA-256: cc6007ebbec45f08de0ee783d8799c873bcb82bef4de59082499d3ff0b2dea27

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links, including one pointing to a known malicious redirector infrastructure at http://netcdn.tw/app/406889139/coin-master-free-game-hack. This lure is designed to trick users into believing they are accessing a free game hack generator. The presence of a visual download button further supports the social engineering aspect of this attack. No scripts were extracted, but the primary attack vector appears to be a phishing lure leading to malicious content.

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.tw/app/406889139/coin-master-free-game-hack In PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-hacks-and-cheats_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-robux-no-human-verification_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-spins-2021_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-free_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/share-tweet-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/descargar-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/coin-master-today_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/oprewards-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-minecraft-account-generator_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-to-get-a-headless-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/free-swat-shirt-roblox_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/minecraft-pvp-hacks_GM479516143.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/how-do-i-hack-someones-roblox-acc_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/best-hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/cheat-roblox-tire-dans-les-mur_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/roblox-kazotsky-kick-script-pastebin-hack_GM431946152.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/can-you-really-hack-coin-master-ios_GM406889139.pdfIn PDF document text
- https://www.vizyonproduction.com/application/uploads/assets/files/master-free-spin_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
`font_00_sfnt_off00003091.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3091	22900 bytes
SHA-256: `e03bea640267b692d76622a95ac41da47debde9d07a61c194ebe1bdadd12761e`
`font_01_sfnt_off00006419.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6419	17996 bytes
SHA-256: `2ec206c530faa3d40eac36f14655b3e9b935e9ff12c648634e177d5bc9421463`

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