PDF malware analysis — malicious · 06b3548b34515832

MALICIOUS

PDF

46.3 KB Created: 2021-06-07 09:23:52 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-21

MD5: a91357f69b8e4ef6009d0bfb401abfc4 SHA-1: 2d60787f32037bc234ee0740e8db85b3b1d9f100 SHA-256: 06b3548b345158322e45b21b405b9a3dc1275d9d66beb646d5d039c43f537fc9

160 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

The PDF document contains embedded links that redirect to a known malicious domain, masquerading as a 'free Robux generator' or 'game hack'. The document body and extracted URLs strongly suggest a phishing or scam attempt designed to lure users to malicious websites. The presence of multiple redirector links indicates a deliberate effort to distribute potentially harmful content.

Machine Learning

Nyx PDF Classifier malicious score 0.9832

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/how-do-you-make-a-free-robux-game-game-hack In PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/cara-ngembalikin-akun-roblox-yg-sudah-di-hack_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/how-to-download-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/knife-roblox-hack_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/free-real-gift-cards-codes-roblox_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/robux-and-tix-hack-no-download_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/create-minecraft-server-free_GM479516143.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/roblox-apk-hack-2021_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/free-spiderman-mask-roblox_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/how-to-fly-hack-in-roblox-cheat-engine_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/how-to-get-free-robux-and-builders-club_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/free-robux-generator-roblox-hack-2021_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/free-roblox-generator-2021_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/how-to-get-free-robux-nothing-to-do_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/minecraft-name-tag-hacks_GM479516143.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/how-to-hack-assasssain-in-roblox-youtube_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/roblox-free-hack-client_GM431946152.pdfIn PDF document text
- http://motarjemeen.ir/wp-content/uploads/fsqm-files/free-robux-master_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_off00005538.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x5538	25400 bytes
SHA-256: `a53c9cd458357d02e440896dcfbd52006958236b03ac8b03626261a2c7d6a540`
`font_01_sfnt_off00008f92.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8F92	19364 bytes
SHA-256: `553ea9128957c5e0ebfce4c30d9ab1355c7fb2235fe054fbce15d538a4a44ecc`

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