Malicious PDF — malware analysis report

Static analysis result for SHA-256 fea5ac8603e9ce29…

MALICIOUS

PDF

41.7 KB Created: 2021-05-19 05:54:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-15
MD5: d6d654a0fc66a20458cbe11f816f6e3a SHA-1: d9c4dc4b713391fc3c4b07a8eb5ba8aff0f000d1 SHA-256: fea5ac8603e9ce29f2bf158d4f7b68c8e1424bd6730793dad9f8ca6a038f0410
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains multiple links to known malicious redirectors and sites offering game hacks. The primary link directs to a 'Pokemon Go Kanto Free Pass' lure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a malicious intent to redirect users to potentially harmful content, likely for credential harvesting or malware distribution.

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/1094591345/pokemon-go-kanto-free-pass-game-hack In PDF document text
    • https://xiangquan.com.tw/image/data/files/robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-coins-and-spins_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/hack-coin-master-apk-33_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-links-for-free-spins_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-free-spins-1-coin-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/get-free-food-in-coin-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/113-hacked-client_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-really-hack-coin-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-do-you-hack-for-2021000-coins-on-flip-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-free-spins-link-hack_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/pokemon-go-free-or-shadow-mewtwo_GM1094591345.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-free-spins-link-iphone_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-robux-without-survey_GM431946152.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/free-gold-cards-coin-master_GM406889139.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/minecraft-116-free-download_GM479516143.pdfIn PDF document text
    • https://xiangquan.com.tw/image/data/files/how-to-get-free-robux-website_GM431946152.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004923.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4923 24388 bytes
SHA-256: 565a790f12ce4038b32a2c3ffa306fdf12d400eb396f043ca0bab508bec04fec
font_01_sfnt_off000080fc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x80FC 18176 bytes
SHA-256: 89033d06a2557f5bd60cfb93dac5cb94f6b75ba67df2e2e3ab7f8bbb5e5396f3

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