Malicious PDF — malware analysis report

Static analysis result for SHA-256 17334d05e2f7d736…

MALICIOUS

PDF

37.5 KB Created: 2021-05-20 15:11:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: c80b7eb0d625b24c6cb49ed351de6d5f SHA-1: e7a4931ab58c3fc5972cfc010b4b9972cb2c6ed1 SHA-256: 17334d05e2f7d73680e85e852d455be24e52cce15b7120adf2187e766a1aa4de
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple embedded links that redirect to known malicious infrastructure, specifically promoting game hacks and generators. The document body also contains similar lures and a call-to-action phrase. The primary attack pattern involves tricking the user into clicking these links, likely leading to further malware download or exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9447

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/hacks-for-minecraft-windows-10-game-hack In PDF document text
    • http://origamiperu.com/images/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
    • http://origamiperu.com/images/free-robux-no-downloading-apps_GM431946152.pdfIn PDF document text
    • http://origamiperu.com/images/how-to-hack-roblox-2021_GM431946152.pdfIn PDF document text
    • http://origamiperu.com/images/roblox-robux-codes-2021_GM431946152.pdfIn PDF document text
    • http://origamiperu.com/images/links-for-coin-master-free-spins_GM406889139.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_off000035a2.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x35A2 25232 bytes
SHA-256: 4f6a2dd443e807be711f99e08d0f9815235476082a36a74fbbc1db8ca823a84c
font_01_sfnt_off00007012.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7012 18696 bytes
SHA-256: cd39c091a68a2846e65319e0aedb696a747600c4d9ed3e222f28c6d266d57a0c

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