PDF malware analysis — malicious · 571c4ab33ca4bb5e

MALICIOUS

PDF

56.2 KB Created: 2021-04-06 00:14:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-12

MD5: 7914c39ebda24f235498ae8b435d8578 SHA-1: 12886bb837ff5c3069e2c164e30a5b25c683be4e SHA-256: 571c4ab33ca4bb5e15998768196e5a64546d8ea4fc603ed47b3eeb41686fec14

82 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1204.002 Malicious File

The PDF document uses a social engineering lure related to 'free Roblox' content to trick users into clicking on embedded links. The heuristic 'SE_BROWSER_INSTALL_LURE' indicates the document likely prompts the user to install a browser extension or update, a common tactic for malware delivery or credential theft. The ML classifier also flagged the PDF as malicious, supporting this assessment. The embedded URLs likely lead to further malicious content or downloads.

Machine Learning

Nyx PDF Classifier malicious score 0.7795

Heuristics 4

Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE

Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
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/free-roblox-word-search PDF link annotation
- http://www.malonmalon.com.ar/images/10-ways-how-to-get-free-robux.pdfIn PDF document text
- http://bb-im2.com/images/free-membership-roblox.pdfIn PDF document text
- https://www.ncscolour.no/images/free-roblox-pickaxes.pdfIn PDF document text
- http://sscclc.edu.ec/images/project-alpha-5-hack-roblox.pdfIn PDF document text
- http://www.maakherumusic.net/images/are-roblox-hacks-real.pdfIn PDF document text
- https://www.lavigny.ch/images/level-6-hack-roblox.pdfIn PDF document text
- http://lv-siegen.de/images/roblox-hack-aimbot-download.pdfIn PDF document text
- http://nalmpantistractors.gr/images/5-free-robux.pdfIn PDF document text
- http://mittlenberg.ch/images/get-free-robux-paste.pdfIn PDF document text
- http://www.boutique-nature.fr/images/how-to-make-a-group-for-free-on-roblox.pdfIn PDF document text
- http://www.lionel-seppoloni.fr/images/free-robux-no-human-verification-ios-2021.pdfIn PDF document text
- http://unionmusicaldebenidorm.com/images/roblox-how-to-get-a-group-for-free.pdfIn PDF document text
- http://www.fanciullovito.it/images/vehicle-simulator-hack-money-roblox.pdfIn PDF document text
- http://joshherman.com/images/free-november-hack-roblox.pdfIn PDF document text
- http://shahriyarclimb.com/images/ban-and-kick-gui-hack-pastebin-roblox.pdfIn PDF document text
- http://stackideas.com/images/money-hack-sur-sunset-city-roblox-2021.pdfIn PDF document text
- http://naturschutzgossau-zh.ch/images/robux-cheat-engine-66.pdfIn PDF document text
- http://www.adravietnam.org/images/john-doe-roblox-hacker-story.pdfIn PDF document text
- https://ballaratcaravans.com.au/images/free-robux-hack-top.pdfIn PDF document text
- http://elektrofahrspass.de/images/test-for-free-robux.pdfIn PDF document text
- https://www.prodex-holz.cz/images/roblox-bloxburg-free.pdfIn PDF document text
- http://feuerwehr-rheinau.de/images/roblox-buy-for-free.pdfIn PDF document text
- http://garrisonjazz.com/images/hack-roblox-cheat-engine-bypass.pdfIn PDF document text
- http://mostowicz.pl/images/free-robux-patched-2021.pdfIn PDF document text
- http://www.remiauclair.fr/images/roblox-hacks-mad-city-script.pdfIn PDF document text
- https://www.air-shop.cz/images/how-to-hack-on-accounts-on-roblox.pdfIn PDF document text
- http://electricpasion.com/images/where-in-roblox-can-i-find-free-gems.pdfIn PDF document text
- https://pa-waingapu.go.id/images/free-robux-read-desc.pdfIn PDF document text
- https://belixconstructions.com.au/images/hack-roblox-vip-servers-flee-the-facility.pdfIn PDF document text
- https://www.brainpads.com/images/how-to-make-hack-games-in-roblox.pdfIn PDF document text
- http://hondenspecialist-engelien.nl/images/roblox-20-download-free.pdfIn PDF document text
- http://domaizdereva24.ru/images/robux-hack-menu.pdfIn PDF document text
- https://www.hofe-gmbh.de/images/tlcharger-emperor-logiciel-hack-roblox.pdfIn PDF document text
- http://www.danzamaniapergine.it/images/how-dto-hack-in-to-robloxs-account.pdfIn PDF document text
- http://ff-klaffenbach.de/images/dbz-final-stand-roblox-cheats.pdfIn PDF document text
- http://lichtdrukkerijwijchen.nl/images/2021-free-robux-hacks.pdfIn PDF document text
- http://teknotools.net/images/free-to-claim-roblox-groups.pdfIn PDF document text
- http://zarinnameh.ir/images/como-tener-robux-gratis-hack.pdfIn PDF document text
- http://belagrogen.by/images/free-robux-codes-genorateor.pdfIn PDF document text
- http://pandaplast.com/images/chostaty-roblox-hack.pdfIn PDF document text
- http://abst-brandschutztechnik.com/images/how-to-get-free-robux-generator.pdfIn PDF document text
- http://urezerv.com/images/20210-robux-free.pdfIn PDF document text
- https://www.cosmosdawn.net/images/how-to-get-750k-free-robux-no-scam.pdfIn PDF document text
- https://laconce.com/images/hack-robux-roblox-pastebin.pdfIn PDF document text
- http://energotestcontrol.ru/images/free-roblox-app.pdfIn PDF document text
- https://winterpol.eu/images/game-guarfian-roblox-invisibilitt-hack.pdfIn PDF document text
- http://www.agri-tech.com.au/images/roblox-can-you-teach-me-how-to-hack.pdfIn PDF document text
- https://rietenwinkel.nl/images/how-to-get-free-robux-very-easy-and-fast.pdfIn PDF document text
- https://www.dierenartsberghman.be/images/free-roblox-videos.pdfIn PDF document text
+11 more URL(s)

Extracted artifacts 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`stream_003_off00007ebd.bin`	decompressed-pdf-stream	PDF FlateDecoded stream at offset 0x7EBD	25048 bytes
SHA-256: `c7ea9d7b9bae4e9b17a7ad048bc9da262ab69afb52c7410658dd93f3b387a76c`
`font_01_sfnt_off0000b895.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB895	18084 bytes
SHA-256: `69b67651f18aca40a158a95f74dc1b62155b4d484840f648980791d7cc969e80`

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