PDF malware analysis — malicious · e4223a430cafeefd

MALICIOUS

PDF

48.1 KB Created: 2021-05-14 08:29:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: c5904659d778593bf152546c925d9359 SHA-1: ed4724d3f3e309d9fd6f8aad6c48c9b8d828a54b SHA-256: e4223a430cafeefd20746795318c0b55a79a192f07824cd8615fed5e5673d06e

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 0.9013

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/406889139/daily-free-spin-and-coin-game-hack PDF link annotation
- https://ogm-goettingen.de/images/is-coin-master-free_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-links-for-coin-master_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-robux-no-survey-or-human-verification_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/coin-master-free-spins-only_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-shields-coin-master_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/150-free-spins-coin-master_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/play-roblox-free-online_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-headless-head-roblox_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/coin-master-hack-android_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-robux-discord_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-spins-for-coin-master-that-work_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/mcpe-master-hack-unlimited-coins_GM406889139.pdfIn PDF document text
- https://ogm-goettingen.de/images/roblox-getting-hacked_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/minecraft-client-download_GM479516143.pdfIn PDF document text
- https://ogm-goettingen.de/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- https://ogm-goettingen.de/images/coin-master-hack-xyz-download-free_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00004ae7.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4AE7	28768 bytes
SHA-256: `401fa947e383cf15c9c8ea9a9e3124c91b9ad791efd7e4b19ba0c47a48720303`
`font_01_sfnt_off00008cae.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8CAE	3600 bytes
SHA-256: `6769bf9a64132d4d858f6244541b9102c4fa7e6c6584e1917c4e34eb3b0cd990`
`font_02_sfnt_off00009960.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9960	18380 bytes
SHA-256: `6101249768ea98132d58b7ce4bec1ba8398b7dbfa6e5834de96bb11e225e4313`

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