PDF static analysis report

Static analysis result for SHA-256 de8347f3ad9b44ae…

SUSPICIOUS

PDF

43.0 KB Created: 2021-05-20 06:24:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: b2cf5ab779420bfc7688482985b7b98f SHA-1: 9bd7984a7e5d0d2dbb485e5d8192f6698fb7da49 SHA-256: de8347f3ad9b44ae2cab764b6f0ccefa7c7fee4e415e0c1fe48b62f263cbb751
42 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs and a call-to-action phrase, strongly suggesting a phishing or social engineering attempt to trick users into downloading malicious files. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were directly extracted, the presence of external URIs and the document's theme of 'free Robux' and 'game hacks' indicate a likely attempt to deliver a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 3

  • 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/431946152/free-robux-no-verification-2021-android-game-hack PDF link annotation
    • https://cluster-consulting.com/images/coin-master-hack-extension_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-spin-and-coins-free_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-apk-hack-35-8_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-coins_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/roblox-zone-free-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/pokemon-go-free-mewtwo_GM1094591345.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-get-free-spins-on-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-free-robux_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/easy-robux-com_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-get-roblox-premium-for-free-2021_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/100-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/coin-master-free-spins-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/robux-survey_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-roblox-avatar_GM431946152.pdfIn PDF document text
    • https://cluster-consulting.com/images/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://cluster-consulting.com/images/get-free-coin-master_GM406889139.pdfIn PDF document text
    • https://cluster-consulting.com/images/free-coin-master-spin-app_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004693.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4693 25640 bytes
SHA-256: 26ed0f1c6677daa618925cc18d0f01769645e7a33ce91701fd354068e63dc1ae
font_01_sfnt_off000082e6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82E6 19176 bytes
SHA-256: 2db8195158682863467aa5049c27493158ce29af4e73d213a7d216c5b0c72741

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