PDF malware analysis — malicious · 065b283767d6bebd

MALICIOUS

PDF

45.6 KB Created: 2021-05-31 06:52:35 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25

MD5: 67efedc74ceb4a1d658a69fd64255e10 SHA-1: 480c16ad8518849910551e358dfd3642f30137a2 SHA-256: 065b283767d6bebdb120a08bde8db2ca49bc4de437badc1efda59bfafe5fd4c3

142 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

Nyx PDF Classifier malicious score 0.9580

Heuristics 5

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.
PDF links to a 'free generator / game hack' redirector high 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.
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
External URI info PDF_URI

PDF contains an external URL action
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/how-to-get-minecraft-dungeons-for-free-game-hack PDF link annotation
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-tiktok-likes-and-followers_GM835599320.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-to-get-minecraft-pocket-edition-for-free_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/tiktok-follower-bot-free_GM835599320.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-spins-coins-coin-master_GM406889139.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/is-minecraft-free-on-pc_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/robux-free-online_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-tiktok-likes-2021_GM835599320.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-tiktok-video_GM835599320.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/blox-land-free-robux_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/give-me-free-robux_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/minecraft-tiktok-hacks_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-kid-friendly-no-human-verification_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/roblox-hack-generator_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-to-get-a-cape-in-minecraft-for-free_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-generator-for-kids_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/is-it-possible-to-get-free-robux_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/minecraft-noob-vs-pro-vs-hacker-vs-god_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/coin-master-free-spin-and-coin_GM406889139.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-no-verification-2021-ios_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/bloxpink-free-robux_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-2021_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/how-to-create-a-minecraft-server-for-free_GM479516143.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
- http://ttikhuruthang.bt/wp-content/uploads/fsqm-files/free-robux-exe_GM431946152.pdfIn PDF document text
- https://discord.ggIn 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_off000056d4.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x56D4	24484 bytes
SHA-256: `73270a6f3db23ce4687c72c661b258d42c061b05518cb07b8e846b0bdc75b301`
`font_01_sfnt_off00008eba.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8EBA	18472 bytes
SHA-256: `65ee82f26cafa7906902f4dbf8f4098f0781a130d3f16ad2d63d9ccc83542dd0`

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