Malicious PDF — malware analysis report

Static analysis result for SHA-256 585ed6d98cc867e3…

MALICIOUS

PDF

40.2 KB Created: 2021-05-24 10:10:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 429104383e6ee6c8bbe3414c1969e702 SHA-1: c1ecfb521cab157fe85cac5fca36002ff423ea91 SHA-256: 585ed6d98cc867e3fdb910d8dfcec382cae9506e004eda93ebe20c39ffed68d3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links that redirect to malicious infrastructure, specifically promoting 'game hacks' and 'generators'. The primary malicious URL identified is https://netcdn.xyz/app/479516143/can-you-play-minecraft-for-free-game-hack, which is associated with redirector activity. The document body and embedded links suggest a social engineering lure to trick users into visiting these sites, likely to download further malware or engage in scams.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8010

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/can-you-play-minecraft-for-free-game-hack In PDF document text
    • http://opac.iainpekalongan.ac.id/opac/repository/card-hack-for-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.iainpekalongan.ac.id/opac/repository/coin-master-60-spins_GM406889139.pdfIn PDF document text
    • http://opac.iainpekalongan.ac.id/opac/repository/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://opac.iainpekalongan.ac.id/opac/repository/coin-blogspot_GM406889139.pdfIn PDF document text
    • http://opac.iainpekalongan.ac.id/opac/repository/tiktok-likes-free_GM835599320.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_002_off000036fc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36FC 25272 bytes
SHA-256: f42f2127b85a7a2e110067f214faf67eddb7c58b0fa03d84f625676bbd92e633
font_01_sfnt_off00007184.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7184 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00007b6e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7B6E 18420 bytes
SHA-256: 81bede04d90c080fa29d20db124f1531358f39ee91ce610139dedd08dc3401fc

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