PDF malware analysis — malicious · 92855b1002152255

MALICIOUS

PDF

46.2 KB Created: 2021-05-10 22:38:59 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16

MD5: 4cc5eb30dd7a959f847c9e3a5694caf0 SHA-1: 0b86c5f14873df9e0d3010aa553a93c677dd06e5 SHA-256: 92855b1002152255b2810ff14a7a1a48058d3d256ca0c20406989e24edbd9b42

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document contains a lure for free in-game currency or hacks, and explicitly requests recovery secrets or private keys, indicating a phishing or credential harvesting attempt. The embedded URL points to a resource that likely hosts the malicious payload or further phishing content. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.9432

Heuristics 4

Recovery secret / private key request critical SE_SECRET_RECOVERY_LURE

Document requests recovery phrases, private keys, backup codes, or saved passwords. Requests for these secrets in a document are high-risk.
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/coin-master-free-spin-link-today-2021-game-hack PDF link annotation
- https://www.alamrayabali.com/assets/CKImages/files/spin-free-coin-master_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/classic-minecraft-net-hacks_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/como-hack-coin-master_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-download-coin-master_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/fake-robux-codes_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-coins_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-robux-gen_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-minecraft-account-reddit_GM479516143.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/how-to-get-free-roblox_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-free-spins-link-june-2021_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-coin-master-cards_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-hack-android-no-root_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-hack-apk-iphone_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-roblox-premium_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/coin-master-hack-ios-reddit_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/robux-free-gift-card-org-hack_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/moon-active_GM406889139.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
- https://www.alamrayabali.com/assets/CKImages/files/free-robux-no-verify-2021_GM431946152.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_off00004dea.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4DEA	24752 bytes
SHA-256: `b2f887e4f872d8d7ec5ce19a7fc8311758b8e246fb055199b203562ff9509a07`
`font_01_sfnt_off00008672.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8672	2880 bytes
SHA-256: `10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132`
`font_02_sfnt_off0000905d.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x905D	18812 bytes
SHA-256: `209d45ed87732d827821998a5283e56b95c39a3af4032faff2e6da7d3e76f78f`

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