PDF malware analysis — malicious · a2f15f7960529615

MALICIOUS

PDF

42.7 KB Created: 2021-05-16 04:34:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 127dd33c8e61a8782a136d85f8cf148f SHA-1: d6b1f44074393d4ae21099d2f23b601bd9b6c210 SHA-256: a2f15f7960529615b05b8ec957ea6e86ee076afb0cb24903f95f02750cbe81fe

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/free-robux-safe-game-hack PDF link annotation
- http://aviaprofsoyuz.info/images/how-to-use-scripts-in-roblox-hack_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/hacks-for-roblox-jailbreak_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-robux-2021_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/how-to-earn-free-robux_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-master-hack-cheat-generator-coins-and-spins-unlimited_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/how-to-use-redstone_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/roblox-www-com_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-chest-coin-master_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/www-free-robux-com_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/minecraft-pe-texture-packs-free-download_GM479516143.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-roblox-clothes-and-hair_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-master-hack-version-33-2_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-master-free-spins-cheat_GM406889139.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-robux-by-watching-ads_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://aviaprofsoyuz.info/images/coin-and-spin-link_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
`stream_003_off00004747.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4747	27680 bytes
SHA-256: `7e58af9571ea92582092ad1b0843fe4b6644462e1bfbd2ae0c1c54e80f13e713`
`font_01_sfnt_off00008493.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8493	18244 bytes
SHA-256: `393a0339ec2761f14ea9b29efa8c9c5fc9788b4979bd41a030a3ecef46023b5f`

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