Malicious PDF — malware analysis report

Static analysis result for SHA-256 7f85d0d2b4ecd983…

MALICIOUS

PDF

44.5 KB Created: 2021-05-17 03:55:16 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 14e6b743c4eacf273aabf57e38fd6b3f SHA-1: 3be89766ecccb908440d1f1885e861d5fa62403c SHA-256: 7f85d0d2b4ecd9838b413fa2b9d70818a1abee175291b9ab4252bddc8190c342
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a critical heuristic firing for linking to a known malicious redirector disguised as a game hack lure. The document body, though partially corrupted, contains the same lure and a URL pointing to this malicious infrastructure. The presence of embedded URLs and the nature of the lure suggest an attempt to drive users to malicious sites, likely for further exploitation or malware delivery.

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/406889139/coin-master-free-400-spin-link-game-hack In PDF document text
    • http://awakeningtruth.org/images/free-robux-website_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-2021_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/how-do-you-earn-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/coin-master-hack-download-apk_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/hack-coin-master-for-free_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/minecraft-clipart-free_GM479516143.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/roblox-money-hack_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/free-coin-link-coin-master_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/coin-master-daily-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/roblox-avatar-editor-free_GM431946152.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/minecraft-fly-hack_GM479516143.pdfIn PDF document text
    • http://awakeningtruth.org/images/how-to-get-free-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/minecraft-java-edition-code-free_GM479516143.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/coin-master-hack-2021-free_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-free-spins-and-coins-group_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/roblox-executor-free_GM431946152.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://www.awakeningtruth.org/images/free-spins-and-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://awakeningtruth.org/images/coin-master-daily-free-spins-haktuts_GM406889139.pdfIn 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_off000048c2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C2 25092 bytes
SHA-256: 3a1db86b767a74c9bf8271d8d8d51caaf744cd935907b46f9a4628ea455b7ebc
font_01_sfnt_off00008159.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8159 2880 bytes
SHA-256: 10d025f04f706eb71cdda4f99784df1b9ccb52e48080e43095e0398eaef6f132
font_02_sfnt_off00008b44.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B44 18292 bytes
SHA-256: 505b5c60595e7dab75bf8e15101a091f127ed76b3b64336be73d354ea9943c57

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