PDF malware analysis — malicious · 490ae2a2c1a57b72

MALICIOUS

PDF

49.5 KB Created: 2021-06-02 04:04:53 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 157a863fd3b18e927cce8058848fb43c SHA-1: 650827f7904c688837067f5c93e8876b51564e5a SHA-256: 490ae2a2c1a57b722a9357bedb99cea4cb5762f2c4dbc07bf94529791606cc76

110 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment

This PDF document contains numerous links to external websites, many of which are structured as SEO-optimized PDF links. The document body and heuristics indicate a lure related to game hacks and cheats, suggesting the intent is to drive traffic to these sites, likely for malware distribution or phishing. The presence of multiple external URIs and a link farm heuristic strongly supports this malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9796

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.
Urgency / deadline lure low SE_URGENCY_LURE

Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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/431946152/roblox-cb-ro-hacks-skin-game-hack PDF link annotation
- https://taxandmore.nl/wp-content/uploads/fsqm-files/is-minecraft-free-on-ps4_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-free-hoverboard_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-retail-tycoon-cheat-engine-download-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/spam-hack-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-generator-no-survey-no-download-no-human-verification_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/how-do-you-hack-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/make-a-shirt-on-roblox-for-free_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/smurf-backpack-gives-free-robux-roblox-hack_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-scammers-to-troll_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/easiest-way-to-upload-audio-on-roblox-for-free-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-jailbreak-noclip-hack-download-in-description-patched_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/high-school-life-hack-roblox_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/free-robux-promo-codes-october-2021_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/legit-free-robux-websites_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-crown-free_GM431946152.pdfIn PDF document text
- https://taxandmore.nl/wp-content/uploads/fsqm-files/roblox-legendary-swords-rpg-hacks_GM431946152.pdfIn PDF document text
- http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_004_off0000558f.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x558F	26876 bytes
SHA-256: `7b7b0bd9db58f3f998e25b6d2620e7e5d3cbcce87e4d226ebf317369faaa442f`
`font_01_sfnt_off00009242.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9242	5596 bytes
SHA-256: `9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5`
`font_02_sfnt_off00009ee9.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x9EE9	18300 bytes
SHA-256: `b1573ec609926688e52874104592c2bb3fa2d168b69db1da78467c4bf0e2b63c`

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