Malicious PDF — malware analysis report

Static analysis result for SHA-256 2cac2bfd5eed4a7f…

MALICIOUS

PDF

47.6 KB Created: 2021-06-03 07:03:33 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 8a31b946536a8a9b2209157565022b4c SHA-1: 9bc07285330a86db9bd25b071214ff0387d53e9e SHA-256: 2cac2bfd5eed4a7f75621de613ba0266829b3d289d8720de643441d3819358ba
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic indicating it links to a game hack lure, specifically targeting 'Pokemon Go'. The embedded URL, https://netcdn.online/app/1094591345/pokemon-go-free-to-play-game-hack, likely leads to a malicious site or download. While no scripts were explicitly extracted, the nature of the lure and the presence of numerous other suspicious URLs suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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 https://netcdn.online/app/1094591345/pokemon-go-free-to-play-game-hack PDF link annotation
    • http://lib.teknik.unimal.ac.id//repository/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/tryrbx-site-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/xray-hack_GM479516143.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/hack-coin-master-apk-358_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/generator-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-spins-coin-master-app-ios_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/roblox-help-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-free-spins-link-cheat_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-face-roblox_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/roblox-apocalypse-rising-hack_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/coin-master-daily-bonus_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/coin-master-daily-free-spins-link-today_GM406889139.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id/repository/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • http://lib.teknik.unimal.ac.id//repository/pokemon-go-free-download_GM1094591345.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050d1.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50D1 24256 bytes
SHA-256: 54fa5ec177452342649ebc3928834898c8890dfb125647ecb2127c173e7071cd
font_01_sfnt_off00008848.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8848 4292 bytes
SHA-256: f04572d39ca92c69a5a2832142e9d341a73bdd0a2ee2aa46c90d324d7cb30c27
font_02_sfnt_off00009757.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9757 18324 bytes
SHA-256: 05376e93095c7980c06f35000c2abe0141442ca37a6d1b8c2280ef0b4ee493cd

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