Malicious PDF — malware analysis report

Static analysis result for SHA-256 fc1bd4a4952e5586…

MALICIOUS

PDF

32.0 KB Created: 2021-07-03 15:41:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3c90a1f61b1c0d96b62836cf4dc3c769 SHA-1: 44c981128104bffa921fd554049382269b70e2a9 SHA-256: fc1bd4a4952e5586953327e59eddee15c07c51808690f5d913125aecd9b8c5da
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to free game hacks and promo codes, directing users to a suspicious URL. This indicates a social engineering tactic to trick users into visiting a potentially malicious site. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

Heuristics 3

  • 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.
  • 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.tw/app/431946152/free-promo-codes-for-roblox-2021-game-hack PDF link annotation
    • https://library.institutpendidikan.ac.id/repository/how-to-hack-roblox-accounts-2021-unpatched_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/bear-face-mask-free-roblox_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/how-do-you-get-free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/commande-lua-roblox-cheat_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/hack-script-roblox-game-servers-scripts_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/free-robux-2021-december_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/roblox-robux-hack-without-survey_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/how-to-hack-breaking-point-roblox-2021_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/hack-para-teletransportarse-en-roblox_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/wahoogaming-co-free-robux_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/coin-master-map_GM406889139.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/free-roblox-alternatives_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/mcpe-master-free-coins_GM406889139.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/minecraft-nintendo-switch-digital-code-free_GM479516143.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/free-robux-now_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/mobilehacks4u-free-roblox_GM431946152.pdfIn PDF document text
    • https://library.institutpendidikan.ac.id/repository/free-robux-generator-2021-no-human-verification-or-survey_GM431946152.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
font_00_sfnt_off00002bbc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BBC 21932 bytes
SHA-256: b5dcf2c8937bc387fc9ff30bfcf09580a23d30894ccb49e82d6d8a966ee55861
font_01_sfnt_off00005c43.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C43 19640 bytes
SHA-256: 563683e195a0f9c5774dff93a1ee8ffa5b9fae5e1b7336e1c9c22065f2ab4a19

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