Malicious PDF — malware analysis report

Static analysis result for SHA-256 ab0671b0b67ea1db…

MALICIOUS

PDF

42.0 KB Created: 2021-05-17 08:33:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: ce7b053a35dba2cfc333db370210efde SHA-1: ac0532731a2c33f0faf429ceea9fcaa292471d24 SHA-256: ab0671b0b67ea1dbd1c3c42743c6a55f1ddf93907d63cffa62760e29eb5e167c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links that redirect to game hack generators and other potentially malicious sites, as indicated by the PDF_GAME_HACK_REDIRECT_LURE and PDF_MALICIOUS_REDIRECTOR_LINK heuristics. The ML classifier also flagged this PDF as malicious. The presence of these links suggests an attempt to trick users into visiting untrusted domains, likely for further malware delivery or phishing. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/minecraft-games-free-to-play-online-game-hack In PDF document text
    • http://julo-it.net/images/free-roblox-shirts-templates_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/do-coin-master-hacks-work_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/wurst-115_GM479516143.pdfIn PDF document text
    • http://julo-it.net/images/hack-game-plus-com-coin-master_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-spins-on-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/free-roblox-intros_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/free-roblox-com_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-free-attack_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/free-robux-codes-no-verification-2021_GM431946152.pdfIn PDF document text
    • http://julo-it.net/images/how-to-play-coin-master_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-game-hack-app_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-free-online_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/how-do-i-get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/free-minecraft-accounts-reddit_GM479516143.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-free-spin-bonus_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/coin-master-hacks-free-spins_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/oginject-co_GM406889139.pdfIn PDF document text
    • http://julo-it.net/images/free-vpn-for-minecraft_GM479516143.pdfIn PDF document text
    • http://julo-it.net/images/how-to-get-free-robux-on-mobile_GM431946152.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
font_00_sfnt_off00004a2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4A2D 24556 bytes
SHA-256: d672f5335910ba8305a58a095c9c42f1faba6c61bb0f889be2e918a6b3b5dba7
font_01_sfnt_off00008190.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8190 18380 bytes
SHA-256: 979afcbcb5a2898064d94605cabe85d956bbe97e457aaa925e4cb72988a417e9

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