Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d13d14a88a57200…

MALICIOUS

PDF

47.4 KB Created: 2021-06-07 13:12:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 7d0481b52ba7efd2ca7f35326d1e2a46 SHA-1: c7b440f226f69b6ec394fe431b18babde9eff20f SHA-256: 6d13d14a88a57200d57055afa0da1438fd2bf25320b3f3196ecc70cde64a38a3
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous URLs pointing to sites offering free in-game currency or hacks for popular games, indicating a phishing or scam attempt. The presence of a download button lure and callback phishing indicators further supports this. Although no scripts were explicitly extracted, the ML classifier and embedded URLs strongly suggest malicious intent, likely to deliver a secondary payload or redirect to a phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9769

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.tw/app/431946152/roblox-bc-free-2021-game-hack PDF link annotation
    • https://grovehilloutfitters.com/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/roblox-sexually_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/coin-master-unlimited-spins_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-robux-not-fake_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-robux-legit_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/how-to-get-free-spins-on-coin-master-2021-iphone_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/como-hackear-coin-master-iphone_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-robux-card-codes_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-daily-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/coinmasterfreespins_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/coin-master-32-hack-apk-download_GM406889139.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/www-roblox-com-robux-free_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/free-robux-glitch-2021_GM431946152.pdfIn PDF document text
    • https://grovehilloutfitters.com/images/how-to-get-minecraft-for-free_GM479516143.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_004_off00004d92.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4D92 25324 bytes
SHA-256: 4013c097e43e13535e511f6cfbc38e149f5653ad8c5e27bca5dadf6903442146
font_01_sfnt_off000088af.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88AF 4096 bytes
SHA-256: 036e0223d0f018055e4279b305dbb890ae17020e84bbdf2481b5b3f0f607535f
font_02_sfnt_off00009641.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9641 18352 bytes
SHA-256: 51a2f421966cf7b0a4165c8997a245981a83a1d091678cb774e3c31d55b9af73

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