Malicious PDF — malware analysis report

Static analysis result for SHA-256 0c17b24d23175277…

MALICIOUS

PDF

45.1 KB Created: 2021-06-13 21:49:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: bbf64b380e041ec00ded410ab0cb44c3 SHA-1: 0c570548e2722a82d4f58e7844424c705b701d11 SHA-256: 0c17b24d231752779e2fda464c75f6558c627f38ec0fb928c0bb364c4104cde9
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs that redirect to a site offering game hacks and generators, a common lure for malware distribution. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates this malicious intent. While no scripts were explicitly extracted, the nature of the lure and the embedded URLs suggest a phishing or social engineering attack aimed at tricking users into downloading a payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9621

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • 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/shark-attacke-roblox-hack-game-hack PDF link annotation
    • https://www.ergolight.at/images/how-do-you-get-roebucks-for-free_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/huskybuscom-free-robux_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/coin-master-village-4_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/is-pubg-uc-worth-it_GM1330123889.pdfIn PDF document text
    • https://www.ergolight.at/images/free-coin-master-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/free-tiktok-followers-and-likes-no-human-verification_GM835599320.pdfIn PDF document text
    • https://www.ergolight.at/images/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/ac-market-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/free-roblox-groups-with-funds_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/coin-master-hack-ios-2021_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/roblox-scarf-free_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
    • https://www.ergolight.at/images/coin-master-free-link-spin_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/free-spins-generated-from-coin-master_GM406889139.pdfIn PDF document text
    • https://www.ergolight.at/images/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/roblox-hack-2021-aout_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/robux-sign_GM431946152.pdfIn PDF document text
    • https://www.ergolight.at/images/coin-master-gold-cards-hack-english_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004897.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4897 25232 bytes
SHA-256: 63e9d7512696cbea4dc1d8ef1ca5f0ef825cb0e720b47681318db1b8945864f8
font_01_sfnt_off0000829b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x829B 3096 bytes
SHA-256: d05729863dc05721ada29044278030255eeda038236568e8246a87d3a8573d6e
font_02_sfnt_off00008d46.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D46 18452 bytes
SHA-256: 3ac2a5a2bba09c226607efb6e63cc586bcb2ce0cc3897f74db054d3abf497b6d

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