Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f13d438450d87e2…

MALICIOUS

PDF

43.7 KB Created: 2021-05-15 13:31:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 7f942ab13c0e4f7022a858cb40800352 SHA-1: 2d0631e192308b02f32dcde642015e36336bb7a6 SHA-256: 2f13d438450d87e22555142f7b8565d04d82e4cbce3195009fb776d3335ddffc
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and text that mimic offers for free in-game items, aiming to trick users into downloading further malicious content. The presence of multiple URLs pointing to game-related hacks and exploits suggests a phishing or malware distribution campaign. While no scripts were explicitly extracted, the ML classifier and URI findings strongly indicate malicious intent, likely involving the download of a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

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/479516143/minecraft-free-minecraft-game-hack PDF link annotation
    • http://stansabbiatura.com/images/how-to-get-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/coin-master-hack-download-apk_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/daily-coin-master-link_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/minecraft-java-edition-redeem-code-free-2021_GM479516143.pdfIn PDF document text
    • http://stansabbiatura.com/images/free-robux-without-human-verification_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/minecraft-logo-maker-free_GM479516143.pdfIn PDF document text
    • http://stansabbiatura.com/images/roblox-free-clothes-hack_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/coin-master-hack-online-android_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/free-daily-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/how-to-get-20210-robux-for-free_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/bux-free-robux_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/robux-get-com_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • http://stansabbiatura.com/images/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://stansabbiatura.com/images/free-robux-accounts_GM431946152.pdfIn PDF document text
    • http://www.freenom.comHeyIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00004848.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4848 24872 bytes
SHA-256: 43945701f5d8a9ba765229cf3b60c2d2c0c3e0074d67974d53a3d54dab2c3dfa
font_01_sfnt_off0000807c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x807C 2856 bytes
SHA-256: 8c5d9bcb386d88c7f99323d8d482e46ea21dea038a5b842744dd5d39b26b2c44
font_02_sfnt_off00008a53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A53 17568 bytes
SHA-256: 2778e064ee8e4e3a4bd3984a17bb7eaaeefaa41a67eb131b8ade69fe1653bbfc

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