PDF malware analysis — malicious · 9e923043f5c9eb8e

MALICIOUS

PDF

55.1 KB Created: 2021-04-06 08:49:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29

MD5: dc42bf21ed7471874b17158a681592b0 SHA-1: 17c433a202bd0560c9c0ad8f1d9a11b2e44079df SHA-256: 9e923043f5c9eb8e8a0215d760d6f5f3d2aef2dad9ce53c9377d5e17bf11239c

130 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF file contains multiple heuristics indicating a lure for game hacks and credential phishing, specifically impersonating Amazon. The embedded URLs point to domains offering 'free Robux' or 'game hacks', which is a common tactic to trick users into clicking malicious links. While no scripts were directly extracted, the PDF structure and embedded links suggest an attempt to exploit user interest in gaming to facilitate initial access, likely via spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.6397

Heuristics 6

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.
Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH

Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: http://enigmagenerator.com/app/431946152/roblox-game-hack.
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 http://enigmagenerator.com/app/431946152/roblox-game-hack PDF link annotation
- http://telecomworld.pl/images/youtube-hack-roblox.pdfIn PDF document text
- https://enpav.it/images/free-roblox-ad-maker.pdfIn PDF document text
- http://briankellyforcongress.com/images/easy-roblox-today-hack.pdfIn PDF document text
- http://www.sanjosedeminas.gob.ec/images/how-to-hack-roblox-jailbreak-beta.pdfIn PDF document text
- http://arcnjournals.org/images/roblox-creator-free-vip-server.pdfIn PDF document text
- http://joshherman.com/images/how-to-hack-roblox-acounts-to-do-good-stuff.pdfIn PDF document text
- http://yochin.org.tw/images/i-succ-for-free-robux.pdfIn PDF document text
- https://europainstitut.hu/images/free-robux-by-watching-ads.pdfIn PDF document text
- http://eddieblum.nl/images/ban-roblox-pour-avoir-hack-des-robux.pdfIn PDF document text
- https://www.hbproducts.dk/images/how-to-do-personalized-t-shirts-in-roblox-free.pdfIn PDF document text
- http://finettifrs.it/images/how-to-bring-ak-to-roblox-school-hack.pdfIn PDF document text
- http://dsmpublishing.biz/images/roblox-redeem-robux-code-free.pdfIn PDF document text
- https://consorziocsa-asicaivano.it/images/roblox-instakill-npc-hack.pdfIn PDF document text
- http://kulturhusbabberich.nl/images/clicksfly-com-free-robux.pdfIn PDF document text
- http://www.eurosan1.ba/images/free-roblox-gear-2021.pdfIn PDF document text
- http://www.bripi.pl/images/hack-any-roblox-account-2021.pdfIn PDF document text
- http://ns1.radiofacil.net/images/proxo-hack-roblox-2021.pdfIn PDF document text
- https://kunstmalen.ch/images/roblox-epic-mining-2-beta-cheats.pdfIn PDF document text
- http://modenese.net/images/roblox-prison-speed-hack-download.pdfIn PDF document text
- http://www.pacoestrada.it/images/free-online-robux-generator-no-survey.pdfIn PDF document text
- http://cosver.eu/images/free-redvalk-code-roblox-news-scam.pdfIn PDF document text
- http://batterikongen.no/images/free-superhero-skin-roblox.pdfIn PDF document text
- http://behsanroshd.com/images/free-robux-codes-that-haven-39.pdfIn PDF document text
- https://www.saisystem.it/images/roblox-the-conquerers-cheat-engine.pdfIn PDF document text
- http://apeh.ro/images/how-to-get-free-stuff-in-catalog-in-roblox.pdfIn PDF document text
- http://babyxpress.de/images/roblox-free-stone-shirt.pdfIn PDF document text
- http://escolaarboc.cat/images/roblox-cheat-engine-retail-tycoon-2021.pdfIn PDF document text
- http://jugendfeuerwehr-scheinfeld.de/images/roblox-admin-hacks-name.pdfIn PDF document text
- http://gavertrimmers.be/images/green-lego-cats-robux-for-free.pdfIn PDF document text
- http://jdlrelocation.com/images/free-roblox-hacks-pasldfopasfksofmnj.pdfIn PDF document text
- http://cristalysoptic.com/images/how-to-claim-free-robux.pdfIn PDF document text
- https://www.ncscolour.no/images/roblox-games-that-give-free-radio.pdfIn PDF document text
- http://lekarinfo.mk/images/how-to-get-a-free-dominus-in-roblox-2021.pdfIn PDF document text
- https://www.utalii.ac.ke/images/roblox-hack-robux-2021-apk.pdfIn PDF document text
- https://farkas.de/images/roblox-booga-booga-mojo-fly-hack.pdfIn PDF document text
- http://www.boic.nl/images/how-to-change-your-username-on-roblox-for-free.pdfIn PDF document text
- https://luminouswisdom.org/images/hacker-banned-me-from-games-roblox.pdfIn PDF document text
- https://belixconstructions.com.au/images/how-to-hack-roblox-model-not-for-sealf.pdfIn PDF document text
- http://seniorenverband-brh-nds.de/images/free-robux-mods.pdfIn PDF document text
- http://www.marambio.com.ar/images/300-free-robux.pdfIn PDF document text
- http://www.elis-strechy.cz/images/free-robux-fast.pdfIn PDF document text
- http://sandra-masemann.de/images/free-gamepass-script-roblox-pain-exisgt.pdfIn PDF document text
- http://shiny-nn.ru/images/free-robux-just-name-user.pdfIn PDF document text
- http://www.mosaikshop.at/images/is-there-a-hack-to-get-free-robux.pdfIn PDF document text
- http://www.centromedicoaurora.it/images/roblox-hack-cheat-engine-2021.pdfIn PDF document text
- http://jasperfirstumc.com/images/free-robux-hack-no-survey.pdfIn PDF document text
- https://pemadamapi.net/images/roblox-noclip-and-speed-hack.pdfIn PDF document text
- http://ims-77.fr/images/game-for-have-a-robux-free.pdfIn PDF document text
- https://studentcareerinfo.com/images/free-walking-animation-for-roblox.pdfIn PDF document text
+14 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off00006f2c.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x6F2C	26096 bytes
SHA-256: `d1fd9e7bb23f9cf408c936840a57b6c09a49e24ffa3f70324632d932f809f736`
`font_01_sfnt_off0000aa01.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xAA01	2832 bytes
SHA-256: `77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2`
`font_02_sfnt_off0000b3b2.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xB3B2	18112 bytes
SHA-256: `c36090fe6918b87aa43b9d2c147d865af4b86ff0f4336621f6636bd93cf61b66`

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