PDF malware analysis — malicious · c889a56cc2bc35a9

MALICIOUS

PDF

33.7 KB Created: 2021-06-29 01:00:00 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-26

MD5: ce6a7c7c311003af226467a4afe2ef5b SHA-1: 4a7580ca0d19326eb7ae649e52cdd21e38fc6606 SHA-256: c889a56cc2bc35a9c405cfac718cbd61c1cc31ae9f6df29e0798c9e339d3d66c

200 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document employs a lure of game hacks and free in-game currency to trick users into clicking malicious links. The document contains multiple embedded URLs pointing to redirectors and potentially malicious content, including a specific link to 'roblox-cheat-xbox-one-argent-game-hack'. The presence of a 'copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context' heuristic suggests an attempt to trick the user into executing commands, likely to download and run further malicious payloads.

Machine Learning

Nyx PDF Classifier malicious score 0.9980

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.
Clipboard command execution lure high SE_CLIPBOARD_COMMAND_LURE

Document tells the user to copy or paste clipboard content into Run, PowerShell, cmd, or another shell-like execution context
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/roblox-cheat-xbox-one-argent-game-hack In PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/hack-version-of-coin-master_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/comment-cheat-sur-roblox-retail-tycoon_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-real-working_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/minecraft-free-computer-game_GM479516143.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-catalog-roblox-java-script_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-without-offers_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-use-cheat-engine-on-roblox-2021_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-hacked-apk-download-for-android_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-coins-for-coin-master_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/roblox-builders-club-free_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/how-to-get-story-mode-for-free-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-not-fake_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-robux-com-2021_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-roblox-account-without-verification_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/coin-master-free-spin-daily-link_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/ultimate-free-spins-coin-master_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/city-architect-money-cheat-roblox_GM431946152.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/links-for-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://preverjaboticabal.com.br/assets/uploads/canal_alpha/files/free-roblox-hacks-noclip_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
`font_00_sfnt_off00002f4b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x2F4B	21836 bytes
SHA-256: `b5cc5880b47396551e311c12d94e1a6e25347b4f6a48f23e7854d976a1a63c1c`
`font_01_sfnt_off00005f7f.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5F7F	18756 bytes
SHA-256: `f9764802e16b624729dfc8050b1e43f9bc88e42aaf4e3e86b13c3ac1146216a1`

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