Malicious PDF — malware analysis report

Static analysis result for SHA-256 c42699d42937ec54…

MALICIOUS

PDF

43.4 KB Created: 2021-05-17 00:14:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 37a533c9899915976636cbf596206ab4 SHA-1: aab9a96a1f15f2ff44b9170ccbcdcf105e0b51ac SHA-256: c42699d42937ec54c291770267dcdc92203a37687b1a392912028aa879c74f9c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and a prominent call-to-action, typical of phishing or scam lures. The primary link directs to a URL associated with 'game hacks' and 'free generators', strongly suggesting a social engineering pretext to redirect users to potentially malicious websites. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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.xyz/app/431946152/oprewards-com-roblox-game-hack PDF link annotation
    • http://domaizdereva24.ru/images/optifine-pe_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-robux-survey_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/minecraft-pe-apk-free-download_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/cone-master_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-25-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-roblox-outfits_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/robux-sign_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-online-games-like-minecraft_GM479516143.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-coins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/login-robux_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-map_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/free-robux-come_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/coin-master-400-spin-link-today_GM406889139.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://domaizdereva24.ru/images/i-need-more-free-spins-on-coin-master_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000046a7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46A7 27764 bytes
SHA-256: 5d3dd3f8730ca41f02402c824d6a79ed78a80bb482f93d77b3e56324b6991f6d
font_01_sfnt_off000085d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x85D3 18784 bytes
SHA-256: 639e9c6fee21fadec9bbcda4b83e838a121abbfeb61251c021aae19a2229de7e

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