Malicious PDF — malware analysis report

Static analysis result for SHA-256 34110e16f14bad17…

MALICIOUS

PDF

32.7 KB Created: 2021-07-09 15:09:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 0d6fd9cc388095bc410d55907dbe0af9 SHA-1: 6a81c8e7d2087e36c94a3755b2b97f58a35adf80 SHA-256: 34110e16f14bad170f8563c105993213f9afc52f51b8d4d78b24777010fdc987
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document employs a lure of game hacks and free currency to entice users to click on links. The primary link directs to a known malicious redirector infrastructure, which likely serves further malicious content or exploits. The document's content and embedded URLs strongly suggest a phishing or scam campaign aimed at users interested in online games.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/479516143/best-free-minecraft-servers-game-hack In PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/how-to-hack-the-2nd-player-in-roblox_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-robux-mobile_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-coin-master-hacks_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/ways-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/how-to-get-more-spins-on-coin-master-for-free_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/robux-adder_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/coin-master-hacks-2021_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/coin-master-pc-hack-tool_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/how-do-you-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-roblox-accounts-2021-with-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-robux-no-generator_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-ways-to-get-robux_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/robux-now_GM431946152.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/village-coin_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/free-spins-coin-master-march-2021_GM406889139.pdfIn PDF document text
    • https://mtsn4kukar.com/__statics/gudangsoal/files/roblox-free-robux-com_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002d9a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2D9A 21792 bytes
SHA-256: e65867d97095c3894b23434681cdc1944d51ecae3022c48a4421185ab0259f02
font_01_sfnt_off00005d59.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D59 18188 bytes
SHA-256: 690aa9f6e393aebb2e451ae7360f2334a153522b180a230b3d87e49d6c6f2140

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