Malicious PDF — malware analysis report

Static analysis result for SHA-256 5864be104fc67598…

MALICIOUS

PDF

37.1 KB Created: 2021-05-23 13:36:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 831b0827171e7e456468bda83568b946 SHA-1: 6a9db1690754fc14155d0cd86a95d1a1130bf8ed SHA-256: 5864be104fc67598249f8f4b4da6a5872862cf8036284fb6f64fe4ffbfa7c074
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple links to known malicious redirectors and hosts further malicious PDFs, all disguised as game hacks or generators. The document body explicitly mentions "Minecraft Realms Free Trial" and "CLICK HERE TO ACCESS MINECRAFT GENERATOR", reinforcing the lure. The presence of embedded URLs and the ML classifier's high confidence score indicate a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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-realms-free-trial-game-hack In PDF document text
    • http://petrorang.com/admin-panel/products/images/files/roblox-arsenal-hacks-download_GM431946152.pdfIn PDF document text
    • http://petrorang.com/admin-panel/products/images/files/free-robux-easy-and-fast_GM431946152.pdfIn PDF document text
    • http://petrorang.com/admin-panel/products/images/files/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
    • http://petrorang.com/admin-panel/products/images/files/free-robux-generator-no-human-verification-or-survey-2021_GM431946152.pdfIn PDF document text
    • http://petrorang.com/admin-panel/products/images/files/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
    • https://code.giftcards.comIn 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_002_off00003587.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x3587 26104 bytes
SHA-256: 949fd841f285dce331876ae077ccb7ea13286316ffa3a8507c076939962fe0b8
font_01_sfnt_off0000710c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x710C 17900 bytes
SHA-256: 5e9e7e4dd5050dedb25c4bef302629088f41d3cb5f82066cb4e6c0f6a9bca7dc

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