PDF malware analysis — malicious · b4f57e642288b927

MALICIOUS

PDF

44.4 KB Created: 2021-06-08 17:16:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: c9dfd46d171b147b083c1cdd1bd700c0 SHA-1: 3628adb6b574b40bdd40f4f8dd46a7d08b1783dd SHA-256: b4f57e642288b9274f676837fe8a0036355c02612981aa5b1389717c21837103

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

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

Machine Learning

Nyx PDF Classifier malicious score 0.9865

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.tw/app/431946152/robux-generatr-hack-2021-game-hack In PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/gain-robux_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free-spins-and-coins_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/pokemon-go-free-coins-2021_GM1094591345.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/robux-free-c_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-robux-generator-for-roblox-2021_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/minecraft-education-edition-free_GM479516143.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/best-way-to-get-robux_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/roblox-free-login_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free-coins-2021_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-game-hack-app-download_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-hack-link-2021_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free-spin-reward-links_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-hacksco_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/free-roblox-groups_GM431946152.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-for-pc-free-download_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/hack-coin-master-no-human-verification_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
- https://www.andhrarealty.in/uploaded_files/userfiles/files/coin-master-free_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
`stream_004_off00004f8b.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4F8B	25020 bytes
SHA-256: `54fe56ebf9ead7ce4c7684292e91f34439bb3a7748af9101350a4018a9f1c483`
`font_01_sfnt_off00008939.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8939	18756 bytes
SHA-256: `1a169533942d625fa39d25902b9325df8ccd76046b9b21f4203db86b08c54e4c`

Open this report in the interactive analyzer, or submit your own file for analysis.