Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7b33ba39661d6f7…

MALICIOUS

PDF

35.0 KB Created: 2021-07-03 19:10:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 910fa7fd3681f158195e2e02eef6cdf6 SHA-1: bbbec525da603219f6830b0036aa4f037dff0204 SHA-256: d7b33ba39661d6f7b7cf11f2688a9c818c0eb53546511dbc52bdbff602796867
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF document contains multiple external links and a heuristic firing for a game hack redirect lure, indicating a phishing or scam attempt. The document body and extracted URLs suggest a lure for free in-game items or currency, likely leading to a malicious website. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high 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.
  • 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
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://netcdn.tw/app/479516143/free-minecraft-printables-food-labels-game-hack PDF link annotation
    • http://aleshashop.net/uploaded_files/userfiles/files/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-roblox-invitations-loadstrings-full-lua_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/how-to-get-free-robux-for-free_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-girl-hair-roblox_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/roblox-free-pants_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-robux-just-email-verification-and-done_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/how-to-get-free-robux-rblx-gg_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/can-you-make-a-shirt-for-free-on-roblox_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-spins-on-coin-master-game_GM406889139.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/coin-master-coins-hack_GM406889139.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-roblox-card-codes_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/free-robux-no-human-verification-or-survey-or-download_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/descargar-hack-de-robux_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/robux-hack-ultimate-gamer-365_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/roblox-promo-codes-for-free-robux_GM431946152.pdfIn PDF document text
    • http://aleshashop.net/uploaded_files/userfiles/files/how-to-get-free-food-on-coin-master_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000032e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x32E3 22856 bytes
SHA-256: e1427ce90d270a7491583f9bf03a3f854de7d8fa5968b45164ab3df8e26a5561
font_01_sfnt_off0000659e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x659E 18556 bytes
SHA-256: 305b0bb95dea39cc310aaf798f5aa91dcc06275b2e7d604a8dcca2c7ef54f050

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