PDF static analysis report

Static analysis result for SHA-256 1b3eb5ce35482828…

SUSPICIOUS

PDF

44.5 KB Created: 2021-05-16 13:03:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f2a58dff20380493b5b64e0e9e2b6834 SHA-1: 8e8f4a0ebeee6a0df40f649175f8c35a685c678b SHA-256: 1b3eb5ce354828280b0ee1c0a28c0fc1de303684dc53e02a73f327a0d4548682
42 Risk Score

Malware Insights

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

The PDF document contains embedded URLs and text that strongly suggest a social engineering lure, specifically targeting users interested in game hacking. The presence of a high-confidence ML classifier firing and external URI findings indicate a malicious intent to redirect users to potentially harmful content. The document body, though partially corrupted, contains keywords related to hacking and game accounts, reinforcing the phishing pretext.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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/how-to-hack-someone PDF link annotation
    • http://bibliodetki.ru/images/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-heaven-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-game-android-free-download_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-robux-hacker-us_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-hack-2021-download_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/is-minecraft-free-on-nintendo-switch_GM479516143.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-do-i-earn-robux_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/how-to-get-hacks-on-minecraft_GM479516143.pdfIn PDF document text
    • http://bibliodetki.ru/images/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-robux-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/coin-master-stop-attack-hack_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/can-i-get-robux-for-free_GM431946152.pdfIn PDF document text
    • http://bibliodetki.ru/images/get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://bibliodetki.ru/images/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • https://discordIn 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_off00004c92.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C92 26044 bytes
SHA-256: d3b09777ab58013fc0d57dfb54b32ea10fa873946f8ed3f22e9b6f42f811a80e
font_01_sfnt_off000089a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89A5 18912 bytes
SHA-256: 995056b981027bfba3f97be2499ebace8b386febdb07856c531761fbe005e83e

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