PDF malware analysis — malicious · 0d375a6aacb00a3f

MALICIOUS

PDF

43.7 KB Created: 2021-05-13 00:37:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: c8bf9d475f70ae74e6ef72baabff5288 SHA-1: 20f9e97695d7c1f13672125e0c572fe276734334 SHA-256: 0d375a6aacb00a3f13c98c897fb27c806607560a037cd6266b85576152d52003

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 0.9969

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/479516143/minecraft-bedrock-hacks-game-hack PDF link annotation
- https://www.liputanbali.com/assets/CKImages/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/twitter-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/descargar-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/how-to-hack-a-minecraft-server-and-make-yourself-op_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-gold-cards-for-coin-master_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-hackhub-coin-master_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/roblox-cheat-robux_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/roblox-c9m_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-free-spins-ios-app_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-game-hack-link_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-free-spins-glitch_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/master-coin-master-free-spin_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-free-spins-2021-blogspot_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/robux-now_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/minecraft-survival-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/minecraft-switch-free_GM479516143.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/coin-master-hacks-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.liputanbali.com/assets/CKImages/files/easy-robux-hack_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
`stream_003_off00004da3.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DA3	25972 bytes
SHA-256: `a11ab0cfa536684c40edd059c411d048ed2b26dc3577fd237582f328b1de49cd`
`font_01_sfnt_off000088b8.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x88B8	18268 bytes
SHA-256: `cdc10c07562964e95d3c60cab3c6d937b43618c1a43ea86bc4060c2923515875`

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