PDF malware analysis — malicious · d1a784bd87064ffa

MALICIOUS

PDF

239.6 KB Created: 2021-04-05 07:19:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-24

MD5: 1d8fa61a2a8d2478c791aca82876421d SHA-1: 688130c4765991bbea20eeafaa796007347ea167 SHA-256: d1a784bd87064ffafd6263a6eef92297327066d6e958837e8af3e87085b8f8e3

102 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The file is a PDF document that contains embedded URLs and heuristics indicating it is a phishing lure. The document body, though heavily obfuscated, combined with the ClamAV detection and PDF_URI heuristic, strongly suggests the intent is to trick users into visiting malicious URLs related to game exploits, likely leading to malware download. The ML classifier also flagged this PDF as malicious.

Machine Learning

Nyx PDF Classifier malicious score 0.5773

Heuristics 4

ClamAV: Pdf.Phishing.Roblox062100-9873116-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Roblox062100-9873116-0
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 http://gaminggenerator.org/app/431946152/how-to-make-roblox-hacks PDF link annotation
- https://www.cosmosdawn.net/images/how-to-get-5-robux-for-free.pdfIn PDF document text
- https://www.gvandenakker.nl/images/how-to-get-free-robux-no-human-verification-2021-real.pdfIn PDF document text
- http://palogar.es/images/roblox-pc-hacks.pdfIn PDF document text
- https://scraperite.com/images/free-roblox-robux-gift-cards.pdfIn PDF document text
- http://peche-madagascar.com/images/chat-uncensor-hack-roblox.pdfIn PDF document text
- http://cosver.eu/images/free-robux-using-points.pdfIn PDF document text
- http://abletrustcare.com/images/free-accessory-bear-face-mask-in-roblox.pdfIn PDF document text
- http://unionmusicaldebenidorm.com/images/noclip-roblox-hack-download.pdfIn PDF document text
- http://scuttworksdesigns.us/images/get-free-roblox-hats.pdfIn PDF document text
- http://safetin.ru/images/free-robux-cheats-2021.pdfIn PDF document text
- http://arch-centr.ru/images/how-to-get-robux-free-2021.pdfIn PDF document text
- https://www.brainpads.com/images/hack-in-roblox-to-get-robux.pdfIn PDF document text
- https://www.knxuk.org/images/free-roblox-hack-for-ipad.pdfIn PDF document text
- https://semanasantacehegin.com/images/roblox-hack-bss.pdfIn PDF document text
- https://www.ergolight.at/images/money-hack-mad-city-roblox.pdfIn PDF document text
- http://fratellimazzoleni.it/images/free-roblox-items-to-sell.pdfIn PDF document text
- http://force-seniorklub.dk/images/hacking-page-for-roblox.pdfIn PDF document text
- http://halitbayramoglu.com.tr/images/roblox-2021-free-hat.pdfIn PDF document text
- https://scraperite.com/images/dragon-ball-online-roblox-cheats.pdfIn PDF document text
- http://www.cbgp.upm.es/images/tap-this-for-free-roblox.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
`stream_002_off0003693a.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x3693A	21824 bytes
SHA-256: `6c5dcca51fa86345f0ce30edc2cbff3aab667700b3dabe7e432aaf84dddf70b7`
`font_01_sfnt_off00039922.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x39922	17952 bytes
SHA-256: `0b8fa6a25e321a72c7e39320425d2df7f46843bdd0f100e364586b2a4675f7ef`

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