PDF malware analysis — malicious · d55398556c1923f0

MALICIOUS

PDF

42.6 KB Created: 2021-05-11 23:44:47 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 3f515ead92d3283daac82b36e4c545b1 SHA-1: 481d0c068a394e6dcb206d8857a1624ef2e8b0fe SHA-256: d55398556c1923f048b3c1615a42233d8d29fe151e860dd6b5c09548b2920f8d

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9971

Heuristics 4

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-free-body-game-hack PDF link annotation
- http://abris-jardin.be/images/free-robux-link_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/robux-hacks-2021_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/roblox-free-hair-girl_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/krnl-download_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/coin-master-gold-cards-hack-english_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/coin-master-com_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/coin-master-hack-com_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/how-to-make-your-own-minecraft-pe-server-for-free_GM479516143.pdfIn PDF document text
- http://abris-jardin.be/images/minecraft-pc-free_GM479516143.pdfIn PDF document text
- http://abris-jardin.be/images/robux-hack-me_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/how-to-hack-coin-master-game-without-root_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/roblox-bux-free_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/minecraft-gun-games-free_GM479516143.pdfIn PDF document text
- http://abris-jardin.be/images/coin-master-cheats-free-spins_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/roblox-free-robux-website_GM431946152.pdfIn PDF document text
- http://abris-jardin.be/images/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
- http://abris-jardin.be/images/hack-coin-master-spin_GM406889139.pdfIn PDF document text
- http://abris-jardin.be/images/youtube-how-to-get-free-robux_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_off0000471a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x471A	26304 bytes
SHA-256: `4e6cb8de807ca217e26e6e51abc88cb7350882d495daf0b3e0f1b4f5ea75b8b6`
`font_01_sfnt_off00008412.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8412	18300 bytes
SHA-256: `18afd95e8d4f71f33520678a0de9ae8deb20909ba5c2eba22890e369374f989b`

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