PDF malware analysis — malicious · 42a514a326a9b792

MALICIOUS

PDF

47.0 KB Created: 2021-06-03 09:22:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 73814ba13b9e5db106b42d1e7a49e891 SHA-1: 664d3b6ef83e63a95a003c998d77074c9a53adba SHA-256: 42a514a326a9b7928d54920a46ca1f6168edaa4ccf8da635903e71fc066c952f

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and a visual call-to-action, strongly suggesting a phishing or scam attempt. The primary URL points to a "Coin Master hack", indicating a lure for game-related cheats or exploits. The presence of multiple related PDF links further supports a campaign distributing malicious content. No scripts were extracted, but the document's structure and embedded URIs are indicative of a malicious intent to redirect users to potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9769

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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.online/app/406889139/www-coin-master-hack-com-game-hack PDF link annotation
- http://www.ocic.hr/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/www-free-robux_GM431946152.pdfIn PDF document text
- https://www.ocic.hr/files/coin-master-hack-without-verification-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
- http://www.ocic.hr/files/coin-master-apk-hack-download_GM406889139.pdfIn PDF document text
- http://www.ocic.hr/files/roblox-password-hacker_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/coin-master-game-free-play-online_GM406889139.pdfIn PDF document text
- https://www.ocic.hr/files/free-tiktok-views-no-verification_GM835599320.pdfIn PDF document text
- http://www.ocic.hr/files/hack-coin-master-apk-32-download_GM406889139.pdfIn PDF document text
- https://www.ocic.hr/files/how-to-watch-any-movie-for-free-tiktok-hack_GM835599320.pdfIn PDF document text
- http://www.ocic.hr/files/free-tiktok-followers-instantly_GM835599320.pdfIn PDF document text
- https://www.ocic.hr/files/free-roblox-accessories_GM431946152.pdfIn PDF document text
- https://www.ocic.hr/files/free-t-shirt-roblox_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/free-spin-coin_GM406889139.pdfIn PDF document text
- https://www.ocic.hr/files/roblox-bux-free_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/robux-rewards_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/coin-master-spin-link-today-free_GM406889139.pdfIn PDF document text
- https://www.ocic.hr/files/coin-master-daily-free-spins-hack_GM406889139.pdfIn PDF document text
- https://www.ocic.hr/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://www.ocic.hr/files/2021-free-spins-coin-master_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_004_off000052b2.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x52B2	24968 bytes
SHA-256: `da8fdc2cc7cd3eb8580a86c5262fbeac458103dfcece78fce15b0975c72826b2`
`font_01_sfnt_off00008b21.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8B21	2840 bytes
SHA-256: `3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676`
`font_02_sfnt_off000094d3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x94D3	18336 bytes
SHA-256: `98b72f07f157dd659abe6b90bb941092e2c9091b5a98e7ee6b0c4f52701e1412`

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