PDF malware analysis — malicious · 9ae285e114afacb2

MALICIOUS

PDF

32.6 KB Created: 2021-06-18 05:18:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21

MD5: 1f41db1db48aaff15654a26b075bcb64 SHA-1: d82297c54bcf3b91a4506b654ed1c9db9957eaa8 SHA-256: 9ae285e114afacb289fb59d6cd5852d283d97e964f44cfb211d92f6326384ab9

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains multiple links designed to lure users into clicking on what appears to be a game hack generator. The primary link redirects to known malicious infrastructure, indicating a phishing or scam attempt. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a malicious workflow aimed at redirecting users to potentially harmful sites.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/dbr-roblox-hack-game-hack In PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/claim-robux_GM431946152.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-hack-cheat-generator-d_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-ultra-attack-hack_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-20-free-spins-link-today_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-spin-hack-app_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/google-play-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-hack-spins-apk-download_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-free-coins-link_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-hack-xyz_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/free-daily-spins-coin-master_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/teach-me-to-hack_GM431946152.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-play-online-free_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-iphone_GM479516143.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/free-spin-appscoin-master_GM406889139.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/oprewards-com-robux_GM431946152.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/how-to-hack-roblox-sites_GM431946152.pdfIn PDF document text
- http://www.duchem.ae/uploaded_files/userfiles/files/coin-master-free-spins-link-download_GM406889139.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.

Filename	Kind	Source	Size
`font_00_sfnt_off00002e73.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2E73	20780 bytes
SHA-256: `01c91daec726ab42935bb0d6f7bee85271b6b02d834e46a6ae48081dbeb44f18`
`font_01_sfnt_off00005b2a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5B2A	18640 bytes
SHA-256: `ac0cc9b17f87a307db2ac23a0d26d209efe1ef467d140b9ee227cf8850559f97`

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