PDF malware analysis — malicious · abd29188f8ca9731

MALICIOUS

PDF

42.4 KB Created: 2021-05-14 05:33:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: 9678e330a89a53f344cd45eed93cecc2 SHA-1: ef4f658aff48a418497d379268967da91eee2391 SHA-256: abd29188f8ca9731dd942ffeb225cb53ac327cae33c917bcde9018843a84e329

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document is identified as malicious due to its structure, which contains a large number of external links designed to farm SEO traffic. The document body and embedded links explicitly mention game hacks and free currency for games like Roblox and Coin Master, acting as a lure. The primary URL, https://netcdn.xyz/app/431946152/roblox-hackers-list-game-hack, likely serves as a redirector to malicious content or malware. No scripts were extracted, but the PDF's nature suggests it exploits user interest in game cheats to drive traffic to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

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 https://netcdn.xyz/app/431946152/roblox-hackers-list-game-hack PDF link annotation
- https://mtsn4blitar.online/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-get-free-skins-in-roblox_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-spins-without-human-verification_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-hack-2021-apk_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-spin-coin-master-new-link_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-coin-master-spin-and-coin-link_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-pro-hack_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/mcpe-master-coins-hack-download_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-foxy-food_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-free-coins-generator_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-roblox-groups-with-funds_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/how-to-hack-roblox-accounts_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/coin-master-attack-block-hack_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/free-minecraft-shaders_GM479516143.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/roblox-hack-me_GM431946152.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/www-coin-master-hack-xyz_GM406889139.pdfIn PDF document text
- https://mtsn4blitar.online/__statics/gudangsoal/files/worst-client_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
`stream_003_off00004863.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4863	26588 bytes
SHA-256: `a7a3320004010bf9e9d2c694fab3f1adae4944b3ffb1e15237b6c6ce335b12dc`
`font_01_sfnt_off000082ce.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x82CE	18408 bytes
SHA-256: `45c5ba74f98a8c25ccf9e099d511e9a8e2c804404353a175448a141859ab4e90`

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