PDF malware analysis — malicious · 211a00a095936f7d

MALICIOUS

PDF

36.7 KB Created: 2021-06-22 18:28:25 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17

MD5: 54bac5369f2a7366237b5defdd167846 SHA-1: fb9fc73f9fdf70d47a690800fec05fa1727b7ac7 SHA-256: 211a00a095936f7d126483c920620c9ad7b5a5e9298d9660b410635e447ac319

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains multiple embedded URLs and a prominent call-to-action related to free game codes, strongly suggesting a phishing or malware distribution attempt. The ML classifier also flagged this PDF as malicious with high confidence. The presence of download-related lures and callback phishing indicators further supports a malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-roblox-gift-card-codes-septemer-28-2021-game-hack PDF link annotation
- https://www.mpos-organs.com/uploads/files/files/how-to-earn-robux-fast_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-robux-apk_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/cheats-coin-master-free_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-hack-roblox-account-script_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-minecraft-java-edition_GM479516143.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-get-free-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/roblox-how-to-get-unbanned-with-hack_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/robuxmatch-com-free-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/best-minecraft-hacks_GM479516143.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/best-free-minecraft-texture-packs_GM479516143.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/free-spin-links-coin-master-2021_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-working-hack_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/coin-master-free-spins-moonactive_GM406889139.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/avatar-roblox-game_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/easy-way-to-get-free-robux_GM431946152.pdfIn PDF document text
- https://www.mpos-organs.com/uploads/files/files/how-to-get-minecraft-windows-10-edition-for-free_GM479516143.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_off000033bf.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x33BF	22916 bytes
SHA-256: `2f4467badb802bc5a8ad0ba33c1d2f02072010d265cd4e077f6097dc9a68d9f9`
`font_01_sfnt_off00006734.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6734	20096 bytes
SHA-256: `fd75d74af4d82a61568d430b12c045155ba10f2b13d7305f2243bc527ce1d9d4`

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