PDF malware analysis — malicious · e3f0d006185fb3c3

MALICIOUS

PDF

33.3 KB Created: 2021-07-07 17:45:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27

MD5: ef551f580008c9cc71077f633a7f30b4 SHA-1: 071ebf196a9916a5bf9ae0f7cf086fadad4e2cd4 SHA-256: e3f0d006185fb3c3dcf2a81549b5fa747105b3a7a26c47f8962a6aee22ae4a69

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains multiple links, including one to a known malicious redirector, designed to lure users into clicking on offers for game hacks and currency. The document body and heuristics indicate a phishing or scam attempt, likely leading to further malicious content or malware download. No scripts were extracted, but the embedded URLs and redirector activity are strong indicators of malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

Heuristics 4

PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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
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 http://netcdn.tw/app/431946152/robux-generator-2021-game-hack In PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-followers-on-tiktok-fast_GM835599320.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-hack-programmers_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/spins-gratis-coin-master-hoy_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/minecraft-creative-mode-free_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-hack-in-roblox-prison-life_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/real-free-robux-generator_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-minecraft-windows-10_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/free-spins-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/minecraft-xbox-one-free_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-robux-codes-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/como-hackear-juego-coin-master_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-a-free-minecraft-account_GM479516143.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/roblox-executor-free_GM431946152.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/mcpe-master-hack-coin-apk_GM406889139.pdfIn PDF document text
- http://mobtakerancell.ir/assets/uploads/pages/files/coin-master-hacks-no-verification_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
`font_00_sfnt_off00002dc4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2DC4	21440 bytes
SHA-256: `0dcb17601ae637b0a135d5ac62c7c8464af291fceb7115b56cadce90ff9be8aa`
`font_01_sfnt_off00005c98.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5C98	19056 bytes
SHA-256: `7fa28bf5c82c36580802a0e9e8c596db7b5f5881ccdac0bf93c9c6654f53e8d2`

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