PDF malware analysis — malicious · c6f08b0b6c6de29a

MALICIOUS

PDF

44.0 KB Created: 2021-05-14 19:45:57 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-27

MD5: 3e2b49fbd4f41d9df6c51519fbc8086c SHA-1: 753d28035d935028d8179d90959ba447e8b79f53 SHA-256: c6f08b0b6c6de29aa54b70788b404ddd8cbffc14f32f7471b07d8af848620f17

220 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains multiple heuristics indicating it's a malicious redirector, specifically designed to lure users with game hack and generator content. It links to known malicious infrastructure and hosts a large number of external PDF links, likely for SEO manipulation or to distribute further malicious content. The document body, though partially corrupted, contains references to game hacks and generators, reinforcing the lure.

Machine Learning

Nyx PDF Classifier malicious score 0.9969

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/make-your-own-minecraft-server-free-game-hack In PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-can-i-play-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-hack-online-android_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/spin-links-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/online-coin-master-hack-here_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/free-spin-generator-for-coin-master_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-hack-game-download-mod-apk_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-hack-spin-ios_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-to-get-free-robux-without-verification_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/free-robux-codes-not-used_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/buxblast-com-robux_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/coin-master-free-spin-generator-without-human-verification_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-to-get-free-robux-no-survey_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/master-coin-free-spin-daily_GM406889139.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
- http://www.weworkkuwait.com/uploaded_files/userfiles/files/robux-premium_GM431946152.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_003_off00004ffd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x4FFD	25148 bytes
SHA-256: `1c227e2ec6b9f42f3fa220718d4f6a08e366f4bb06504920f6f5e2a64845344c`
`font_01_sfnt_off0000892b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x892B	18460 bytes
SHA-256: `721af029458f2979280337e7e3abf665ad270da07a2ce86ac9fe8418a2624103`

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