Malicious PDF — malware analysis report

Static analysis result for SHA-256 5b0a90f36ef5f01b…

MALICIOUS

PDF

47.6 KB Created: 2021-05-19 20:24:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: d956fce9a208b7839833cb9b4177f3de SHA-1: d5e6cef237f690450adcf8442266e057b3eb3000 SHA-256: 5b0a90f36ef5f01bb769e5bb636ccaf7e53608769dc930bf34fd99d9def9aa35
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of 'Coin Master Hack 2021 Apk' to entice users into clicking embedded links. These links redirect to malicious infrastructure, specifically identified as a redirector for potentially unwanted applications or malware. The document's structure and embedded links strongly suggest a phishing or scam attempt designed to lead users to harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8715

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-hack-2021-apk-game-hack In PDF document text
    • http://hemmet-strand.dk/images/minecraft-hack-app_GM479516143.pdfIn PDF document text
    • http://hemmet-strand.dk/images/coin-master-free-spins-1701-20_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/robux-com-free_GM431946152.pdfIn PDF document text
    • http://hemmet-strand.dk/images/coin-master-hacks-reddit_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/what-is-the-fastest-way-to-get-xp-in-pokemon-go_GM1094591345.pdfIn PDF document text
    • http://hemmet-strand.dk/images/games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://hemmet-strand.dk/images/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/minecraft-pocket-edition-free-ios_GM479516143.pdfIn PDF document text
    • http://hemmet-strand.dk/images/www-coin-master_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/haktuts-coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/free-robux-only-username_GM431946152.pdfIn PDF document text
    • http://hemmet-strand.dk/images/daily-free-spin-and-coin_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/how-to-get-free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://hemmet-strand.dk/images/coin-master-free-download-pc_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/blogspot-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/daily-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/fighting-free-card-coin-master_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/spins-coin-master_GM406889139.pdfIn PDF document text
    • http://hemmet-strand.dk/images/get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://hemmet-strand.dk/images/free-robux-codes-2021-real_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004927.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4927 23936 bytes
SHA-256: bda257e789c393bff4ddb84dc62a35e2a4dd81c141b2da0c485fe817d85f0a78
font_01_sfnt_off00007f76.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F76 4028 bytes
SHA-256: a17c2a746d49ac23b23e38a371e32fddecfcd91b10cf42ff6155bff6b8a07e91
font_02_sfnt_off00008d17.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8D17 2788 bytes
SHA-256: 6fd7c7f447d66842f81aa8cf197935b17f22157d0c7e9f95622df1b5b4ddf530
font_03_sfnt_off00009707.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9707 18296 bytes
SHA-256: 0171898879de63f826772f1aaca43c4afb825f5f143e0263167d5c085c4f41c3