Malicious PDF — malware analysis report

Static analysis result for SHA-256 547491c029794666…

MALICIOUS

PDF

45.4 KB Created: 2021-05-10 22:13:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 31c415ac8a6ac7e64bcf787b78fae6b9 SHA-1: 0da927b972f79cda9695fd0c8528972655c3cf18 SHA-256: 547491c029794666ab0e9bd82038af25ffb28133df491eb94772062903e81567
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF document contains multiple external links disguised as game hacks and generators, specifically targeting popular games like Minecraft and Coin Master. The primary lure directs users to 'https://netcdn.xyz/app/479516143/minecraft-education-free-game-hack', which is likely a malicious redirector or scam page. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a social engineering attack aimed at tricking users into visiting potentially harmful websites, possibly for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9507

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/479516143/minecraft-education-free-game-hack PDF link annotation
    • http://www.arichuna.com/images/files/coin-master-hacks-xyz_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-free-robux_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/minecraft-servers-that-allow-hacks_GM479516143.pdfIn PDF document text
    • http://www.arichuna.com/images/files/master-free-spin-and-coin-links-html-m-1_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-coin-master-links_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/robux-hacks-2021_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-robux-now_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/microsoft-rewards-roblox_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/coin-master-free-spin-group_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-minecraft-printables-food-labels_GM479516143.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-robux-no-human-verification-and-no-survey_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/free-spins-coin-master-april-2021_GM406889139.pdfIn PDF document text
    • http://www.arichuna.com/images/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/robuxy-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
    • http://www.arichuna.com/images/files/how-to-get-free-robux-no-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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004ca2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CA2 25332 bytes
SHA-256: 697fc31575414050b3034a4f85b8d4d85897aa84ad9f42609ccc977eed1c623b
font_01_sfnt_off00008644.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8644 2840 bytes
SHA-256: 3fb127b764b9d10f5525bc4de5ec8316de704409ccb0cf21cff3ad8a30d11676
font_02_sfnt_off00008ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8FF5 18024 bytes
SHA-256: 50b2d5ff22f0b3ffa840834f12cbec9953eabd3c4e347b5eb6eb3aff22325aed

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