PDF malware analysis — malicious · 233ae86bc8989f31

MALICIOUS

PDF

45.4 KB Created: 2021-06-09 13:28:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7)

MD5: ba68eff47f40061bdd2fcdf1774df79e SHA-1: 567900e152219920c1d251769ae67fa18e410995 SHA-256: 233ae86bc8989f31f43be539559f4a2b62f1dc0c3b10fe1e02bfa95f01e028d9

62 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains multiple embedded URLs and references to game hacks, suggesting a phishing or malware distribution attempt. The ML classifier strongly flagged this PDF as malicious, and the presence of external URIs further supports a malicious intent to redirect users to potentially harmful content. No scripts were extracted, but the document's structure and content point towards a lure for downloading unauthorized software or engaging in fraudulent activities.

Machine Learning

Nyx PDF Classifier malicious score 0.9864

Heuristics 4

Callback phishing phone lure medium SE_CALLBACK_LURE

Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
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.tw/app/431946152/roblox-apk-hack-game-hack
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-minecraft-java-account_GM479516143.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-minecraft-coloring-pages_GM479516143.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-robux-hack-instantly_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-boombox-games-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/instantrobux-com-free-robux_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/paste-bin-animation-hack-script-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-injector-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-open-roblox-with-cheat-engine-without-getting-kicked_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cheat-engine-the-streets_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-hack-roblox-accounts-on-phone-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/how-to-get-hacks-prison-life-roblox_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-spin-coin-master-link-2021_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-cute-outfits-free_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/robux-free-real-2021_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/roblox-hack-download-prison-life_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-spins-coins-coin-master_GM406889139.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-roblox-map_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/cbro-roblox-hacks-for-credits_GM431946152.pdf
- https://zbych-pol.pl/wp-content/uploads/fsqm-files/free-roblox-exploits-unpatched_GM431946152.pdf
- http://en.wikipedia.org/wiki/MIT_License

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000500d.bin` `29283f32e70a18bb298665dcad94e16bd46603a031a960478b051f8b9bbaca3f`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x500D	26332 bytes
`font_01_sfnt_off00008e8f.bin` `7e836b6261bebb63fda2bc6c603fa398fe0a548bc6334e21915c3f4956160db8`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x8E8F	18356 bytes

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