Malicious PDF — malware analysis report

Static analysis result for SHA-256 69e109d5e9c14e0c…

MALICIOUS

PDF

35.0 KB Created: 2021-07-01 16:03:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-22
MD5: 9ef078e18fae72d975366f2d40d8db79 SHA-1: 3098384d516964940fd72923517995d069adb8cc SHA-256: 69e109d5e9c14e0c7a86e207c9530f635078320079b6bdc2044c8fa486b032ff
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to websites that are flagged as malicious redirectors, specifically advertising 'free generators' and 'hacks' for popular games. The document body and embedded URLs strongly suggest a lure to trick users into visiting these sites, which likely host further malicious content or facilitate malware downloads. No scripts were extracted, but the presence of malicious links and the lure pattern indicate a high likelihood of a phishing or malware distribution attempt.

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.co/app/406889139/coin-master-card-hack-game-hack In PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/free-robux-codes-no-human-verification_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/coin-master-hack-online-cheat_GM406889139.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast-and-easy_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/pokemon-go-free-007_GM1094591345.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/coin-master--hack_GM406889139.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/pokemon-go-free-storage-upgrade_GM1094591345.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/today-free-spin-link-for-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/hack-into-roblox_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/hack-para-elemental-battlegrounds-roblox_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/free-roblox-clothes-boy_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/roblox-free-exploits_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/coin-master-ultra-attack-hack_GM406889139.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/free-roblox-money-generator_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/extra-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/minecraft-free-apk-download-016-0_GM479516143.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/blox-supply-free-robux_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/free-tiktok-comments_GM835599320.pdfIn PDF document text
    • http://e-learning.mialislamiyahckp.sch.id/__statics/gudangsoal/files/androeed-ru-minecraft_GM479516143.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off000032c6.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x32C6 23040 bytes
SHA-256: 462d25d2fde5324c85c2c7a23fdf0880f2183a5795f894b43b501fa1f277e180
font_01_sfnt_off0000667c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x667C 18180 bytes
SHA-256: 6f4994608566ebd9397f6cc175ec3337bd2a095019109335e6b17d055b146122

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