PDF malware analysis — malicious · 003cb8046bb92b33

MALICIOUS

PDF

34.7 KB Created: 2021-07-03 13:14:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07

MD5: 0a104e9754e1c46affd755912564dc07 SHA-1: baf94c2825ead060314ed148ea0ee5121e58cdc1 SHA-256: 003cb8046bb92b3394da6c9e03f47c648d5ca2bfc480795705b66a595a3449c7

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a link farm and SEO manipulation tactic, presenting lures for free game hacks and currency to entice users. The primary URL, http://netcdn.tw/app/479516143/can-i-download-minecraft-for-free-game-hack, and numerous other linked PDFs on e-learning-mis-nurussalam-keblama.com, serve as entry points to a malicious workflow. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a strong intent to redirect users to potentially harmful content, likely for further exploitation or malware delivery.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/can-i-download-minecraft-for-free-game-hack PDF link annotation
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-private-server-links-for-lumbertycoon-2-roblox_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/www-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/coin-master-lucky-patcher-hack_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-o-get-free-coin-master-spins_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-things-on-roblox_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/mistplay-robux_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/hack-my-game-xyz-coin-master_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/robux-hack-download-2021_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-coin-master-spins-blog_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/coin-master-free-spins-link-2021-today_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/free-20210-robux_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/do-you-get-minecraft-windows-10-for-free_GM479516143.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/coin-master-free-spins-link-facebook-page_GM406889139.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/is-it-still-possible-to-hack-roblox_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/roblox-apocalypse-rising-cheats-2021_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-actually-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.e-learning-mis-nurussalam-keblama.com/__statics/gudangsoal/files/how-to-get-free-robux-on-mobile_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_off00003316.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x3316	22284 bytes
SHA-256: `107739c04aae07da7ee5e3026650047fb7bea30274e931a0948eb738c6c55ec8`
`font_01_sfnt_off0000640f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x640F	18576 bytes
SHA-256: `0622a77df0ce46127c40322cf1bd80dc2a817b97be9de3694aa86c0fcb772a39`

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