Malicious PDF — malware analysis report

Static analysis result for SHA-256 452b98b6f2c3e0fd…

MALICIOUS

PDF

44.9 KB Created: 2021-05-18 01:34:36 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: c360716b3472b45466fffb05511c476a SHA-1: 8efc60b64d2f2b89b429e41c061d9a264777da08 SHA-256: 452b98b6f2c3e0fd103714be62a6c930efe48ff1d09b14d1a0d03b6145b70e31
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that promote free Robux and game hacks, indicating a lure for potentially unwanted downloads or further malicious activity. The ML classifier strongly flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of external URIs and the overall theme suggest a phishing or social engineering attempt to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

Heuristics 4

  • Callback phishing phone lure medium SE_CALLBACK_LURE
    Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
  • 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/robuxlove-.net-free-robux-game-hack PDF link annotation
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/how-do-you-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/minecraft-alt-accounts-free_GM479516143.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot-today_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-facebook_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-hacker-club_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/robux-best_GM431946152.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/www-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/minecraft-building-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/free-links-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-on-coin-master-ios_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-hack-apk-2021-download_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-email-rewards-link_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-free-spins-no-verification_GM406889139.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/get-free-robux-com_GM431946152.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/minecraft-games-to-play-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/free-robux-earn_GM431946152.pdfIn PDF document text
    • https://elearning.man2pamekasan.sch.id/__statics/gudangsoal/files/coin-master-hack-no-download_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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000049e9.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49E9 25464 bytes
SHA-256: 30c77789c4bd3ce7267abdb360ae71c47a781eab647c8dbf393cc4ee272abfd0
font_01_sfnt_off000082d8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82D8 2812 bytes
SHA-256: fc92a80cefddbcc51cb4ecd7284aa73b746cbd66adcf1d96110f0323ec06b51f
font_02_sfnt_off00008c79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C79 18372 bytes
SHA-256: 65db4e182113fd1a8aa6d8046ef53f92d54fa7b6a505b130f920b75136a01eb1

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