Malicious PDF — malware analysis report

Static analysis result for SHA-256 0da70abd68550d2f…

MALICIOUS

PDF

44.5 KB Created: 2021-05-19 16:41:46 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: c2d9911a43ae656034f391955f478567 SHA-1: 54241afbbb1cb784587a87b3c8403b818e99776b SHA-256: 0da70abd68550d2f00f37ddacce1c27c9ecf4e48d1a99a5ffe37f3482d3e2642
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The document presents a fake CAPTCHA or human verification prompt to trick the user into interacting with a malicious link. The embedded URL and numerous other URLs found within the document point to sites offering game-related cheats or hacks, suggesting a lure for potentially unwanted software or further malicious content. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 4

  • Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHA
    Document displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
  • 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-attack-link-game-hack PDF link annotation
    • http://grabmyinfo.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://grabmyinfo.com/images/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • http://grabmyinfo.com/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://grabmyinfo.com/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/coin-master-generator-hack_GM406889139.pdfIn PDF document text
    • http://grabmyinfo.com/images/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/coin-master-free-spins-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-robux-no-verification-2021-android_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-roblox_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/grabpoints-robux_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-robux-hack_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/how-to-get-a-free-minecraft-server_GM479516143.pdfIn PDF document text
    • http://grabmyinfo.com/images/free-download-coin-master_GM406889139.pdfIn PDF document text
    • http://grabmyinfo.com/images/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/easy-robux-today-com_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/roblox-free-roblox_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/roblox-free-hair-codes_GM431946152.pdfIn PDF document text
    • http://grabmyinfo.com/images/pokemon-go-free-codes-october-2021_GM1094591345.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004972.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4972 25212 bytes
SHA-256: 78cdc2f91e25a67fc8cee9669636016aa25b39ee55912333e2e15c1268afd4ba
font_01_sfnt_off0000830b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x830B 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008cbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8CBC 17880 bytes
SHA-256: 96402d2e96280801386aa337121127c59561cdc8f458ec32dbe1421b57db916e

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