PDF malware analysis — malicious · 5bec63c72177b18b

MALICIOUS

PDF

44.9 KB Created: 2021-05-16 17:42:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-13

MD5: af9bb50bf0a0a59c5aa4f29e5ab5a15d SHA-1: 6be5c985c2cf405e9deca4ec9afe6fa898c9af8a SHA-256: 5bec63c72177b18b7b12577c55112fb82ed6c348c4b00bf3abc0ecd8eb44f07d

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains numerous links, including one pointing to a malicious redirector disguised as a game hack. The document body and heuristics indicate a lure for free game items or currency, designed to lead users to potentially harmful websites. The presence of multiple PDF links suggests a link farm or SEO poisoning tactic to distribute malicious content.

Machine Learning

Nyx PDF Classifier malicious score 0.9632

Heuristics 5

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.
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
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/479516143/was-minecraft-ever-free-game-hack In PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/how-to-get-free-roblox-money_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-human-verification_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-rare-cards-for-coin-master-christmas_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/minecraft-free-download-mobile_GM479516143.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/how-to-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/coin-master-free-spins-coins_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/dominus-roblox-free_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-minecraft-server-maker_GM479516143.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/robux-com-free_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/coin-master-spin-free_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/watch-ads-for-robux_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/roblox-login-hack_GM431946152.pdfIn PDF document text
- http://www.clooetherattorneys.com/uploaded_files/userfiles/files/coin-master-hack-pc-cheat-engine_GM406889139.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00004b01.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x4B01	25256 bytes
SHA-256: `81f62df3b86a115b1fee1d8dd3d721fec1f27f81318468526d03441eedd1c004`
`font_01_sfnt_off0000845a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x845A	2820 bytes
SHA-256: `972979c3a46100cf5f8fd289bc6fbd2496ff75fec0e3f6753648c72ec6eba714`
`font_02_sfnt_off00008df9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8DF9	17880 bytes
SHA-256: `fa9564ce5793f03604dae66ea4261aaef87f9e1e7420b634dd5196a1b51aa919`

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