Malicious PDF — malware analysis report

Static analysis result for SHA-256 45844950c7b22e37…

MALICIOUS

PDF

37.3 KB Created: 2021-05-24 03:49:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8df459286d0c6982f04f7f663f013c37 SHA-1: 693343bd86d59ae90651d10745e2f069c9f73667 SHA-256: 45844950c7b22e37f779764e9964ae86db79a9747cbba6a7c1a66468576f3606
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to external websites, including one identified as a malicious redirector. The document body and heuristics suggest a lure for 'free generators' or 'game hacks', which is a common social engineering tactic to trick users into downloading or visiting malicious sites. The presence of embedded URLs and the ML classifier's flagging indicate a high likelihood of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7010

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/835599320/freer-pro-tiktok-fans-game-hack In PDF document text
    • http://cacpglobal.ca/images/coin-master-daily-free-spin-app_GM406889139.pdfIn PDF document text
    • http://cacpglobal.ca/images/how-to-get-minecraft-java-edition-for-free_GM479516143.pdfIn PDF document text
    • http://cacpglobal.ca/images/how-to-get-free-robux-for-kids_GM431946152.pdfIn PDF document text
    • http://cacpglobal.ca/images/free-robux-accounts-2021_GM431946152.pdfIn PDF document text
    • http://cacpglobal.ca/images/http-appsmob-info-coin-master-hack_GM406889139.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off0000309c.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x309C 24052 bytes
SHA-256: 1411d957932e48c2d55279d3705edf2db53f7c53812aea8136aeb27556f9cb8f
font_01_sfnt_off0000679b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x679B 2892 bytes
SHA-256: 5e0712ca08337fb3b2e5736ec787a8b2ab1b9b6f3706f0b029d23afe08e6a7a6
font_02_sfnt_off00007181.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7181 17836 bytes
SHA-256: b5cd6e44f23342f5814d14ac4a9e66e4145bc6ad622852c2f98f607989fb45e5

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