Malicious PDF — malware analysis report

Static analysis result for SHA-256 a649f01fb6ea3a0f…

MALICIOUS

PDF

44.7 KB Created: 2021-05-16 05:05:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 29e13a84b215a78366e49ceac432b6df SHA-1: e46b8b64b474792442ef1d4341fbac0967e3b845 SHA-256: a649f01fb6ea3a0f71be5cbfbf5f8b75b70dd982f471dd3d6c3a19f1d31b9a2f
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple heuristics indicating malicious redirector links, specifically luring users with 'free generator / game hack' content. The embedded URL points to a known malicious redirector infrastructure. While no scripts were extracted, the document body and heuristics strongly suggest a phishing or scam attempt designed to redirect users to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9632

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/free-minecraft-gift-card-game-hack In PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/roblox-e-free_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/coin-master-free-spins-2021-link_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/80-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/easy-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-spins-coin-master-haktuts_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/can-you-get-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-robux-generator-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-unlimited-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/scary-larry-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/robux-free-gift-card_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-coin-master-spins-no-verification_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/you-promised-my-son-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/coin-master-hack-software-download_GM406889139.pdfIn PDF document text
    • https://www.elearning.mtsn1lomboktimur.com/__statics/gudangsoal/files/coin-master-free-spins-link-today-haktuts_GM406889139.pdfIn PDF document text
    • https://freegiftcodes.euIn 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
stream_003_off00004ad4.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4AD4 24968 bytes
SHA-256: 5b6c9cdb347ffc67fee693d9d7048533cd6f9c3b33fbcdd1bd57ccd1abb31e02
font_01_sfnt_off0000841d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x841D 2840 bytes
SHA-256: 787e0768241fb57660bcc9c7f726cf687277c463cdf8c586c4782ee9d03c3606
font_02_sfnt_off00008ddc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8DDC 17744 bytes
SHA-256: 412a36652a267303b09d9e36b031a0404a0bdd6a44abe5b102e4b1338e0002a7

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