Malicious PDF — malware analysis report

Static analysis result for SHA-256 12d3db77400d4f40…

MALICIOUS

PDF

60.1 KB Created: 2021-04-05 19:18:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-16
MD5: 870b352f560247399d1059ad3baf4162 SHA-1: b2ff980f5c11580e1120f449ebe507c9cb90352b SHA-256: 12d3db77400d4f4025949735bf88ba6ac3b299a6c5921e7d6af1374dc0dea3cc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript T1203 Exploitation for Client Execution

The PDF document contains a lure for free Robux, impersonating Facebook, and directs users to a malicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest an attempt to trick users into visiting a site that likely hosts further malicious content or attempts credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

Heuristics 4

  • 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://gaminggenerator.org/app/431946152/how-to-get-free-robux-no-verify.
  • 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-get-free-robux-no-verify PDF link annotation
    • https://inspiration-modellbau.de/images/hacks-for-roblox-prison-life-v2-02.pdfIn PDF document text
    • https://www.arquetopia.org/images/roblox-free-faces-catalog.pdfIn PDF document text
    • http://www.compusiteinc.com/images/build-and-survive-roblox-hack.pdfIn PDF document text
    • https://www.cnte.org.br/images/hacks-for-roblox-backpacking-beta.pdfIn PDF document text
    • https://www.hbproducts.dk/images/hacker-web-roblox-jailbreak.pdfIn PDF document text
    • http://africadaily.co.za/images/html-free-robux-hack.pdfIn PDF document text
    • http://force-seniorklub.dk/images/robux-sans-hack.pdfIn PDF document text
    • https://www.hofe-gmbh.de/images/free-promo-codes-for-roblox-items-2021.pdfIn PDF document text
    • https://piscinasmundoacuatico.com/images/roblox-cheats-csgo.pdfIn PDF document text
    • http://bi-bordtennis.dk/images/roblox-hack-account-generator.pdfIn PDF document text
    • http://fotoflas.gr/images/hacking-on-roblox-c00lkidd.pdfIn PDF document text
    • https://schulzpressetext.de/images/free-girl-roblox-clothes.pdfIn PDF document text
    • http://lanoblaie.fr/images/roblox-lucky-block-battlegrounds-hack.pdfIn PDF document text
    • http://pacatuamigo.com/images/free-no-sign-up-roblox.pdfIn PDF document text
    • https://gaj.rs/images/roblox-how-to-speed-hack-with-cheat-engine-64.pdfIn PDF document text
    • http://lewishome.net/images/roblox-counter-blox-skin-hack.pdfIn PDF document text
    • https://www.stayon.no/images/cual-es-el-hacker-mas-peligrosode-roblox.pdfIn PDF document text
    • http://sscclc.edu.ec/images/speed-hack-for-all-games-roblox.pdfIn PDF document text
    • http://instrumenttut.by/images/noclip-hack-roblox-jailbreak.pdfIn PDF document text
    • http://jackson-pr.com/images/robux-hack-download-for-pc.pdfIn PDF document text
    • https://jdlgroup.ca/images/roblox-admin-hacks-2021.pdfIn PDF document text
    • http://www.copoint.co.uk/images/facebook-roblox-hack.pdfIn PDF document text
    • http://www.evaplast.by/images/free-equipment-roblox.pdfIn PDF document text
    • http://instrutech.co.th/images/roblox-v3rmillion-cheat-engine-bypass-hack.pdfIn PDF document text
    • https://liftkos.com/images/roblox-phantom-forces-hack-mod-menu.pdfIn PDF document text
    • https://www.eglihotel.gr/images/how-to-get-2021202120212021-robux-for-free.pdfIn PDF document text
    • https://www.europap.cz/images/free-roblox-full-lua.pdfIn PDF document text
    • http://uptodate.az/images/free-old-roblox-accounts-pastebin.pdfIn PDF document text
    • http://www.jureclomas.com.ar/images/roblox-hack-ohne-menschliche-verzierungen.pdfIn PDF document text
    • http://gods-own.org/images/hacks-exploting-roblox.pdfIn PDF document text
    • http://ff-obertraun.at/images/robux-hacks-that-work-2021.pdfIn PDF document text
    • http://fairwaygolftravel.co.uk/images/free-roblox-accounts-with-robux-2021-that-work.pdfIn PDF document text
    • http://sealysports.com/images/free-robux-website-2021.pdfIn PDF document text
    • http://www.torvet11.dk/images/drive-through-restaurant-tycoon-roblox-hack.pdfIn PDF document text
    • http://jijel.info/images/roblox-groups-that-give-free-robux-2021.pdfIn PDF document text
    • http://ivpr.net/images/download-roblox-font-free.pdfIn PDF document text
    • http://micromegamondo.com/images/how-do-u-get-free-robux-on-iphone.pdfIn PDF document text
    • https://gestionpatrimonial.net/images/roblox-unlimited-robux-cheat.pdfIn PDF document text
    • https://lesegais.ru/images/roblox-btools-cheat-engine.pdfIn PDF document text
    • http://santeh-40.ru/images/how-do-u-get-free-robuxs-on-mobile.pdfIn PDF document text
    • https://www.academiaanticorrupcion.org/images/hack-compt-roblox.pdfIn PDF document text
    • https://luminouswisdom.org/images/roblox-cheat-engine-64-money-hack.pdfIn PDF document text
    • http://uctovnictvosnv.sk/images/free-roblox-friends.pdfIn PDF document text
    • http://wattkit.com/images/comment-hacker-le-jeu-roblox.pdfIn PDF document text
    • http://mostowicz.pl/images/egg-farm-roblox-hack.pdfIn PDF document text
    • http://www.torvet11.dk/images/roblox-promo-codes-to-get-free-robux-2021.pdfIn PDF document text
    • http://www.mikramarine.gr/images/roblox-black-t-shirt-free.pdfIn PDF document text
    • http://posterprintshop.nl/images/survey-tool-free-robux.pdfIn PDF document text
    • http://www.gadanie.lv/images/hack-two-factor-authentication-roblox.pdfIn PDF document text
    +10 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00008033.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x8033 25968 bytes
SHA-256: c845a2b02325002e9762dfc5e4bd4fa322713a7bea6a51f669372c2166746ec0
font_01_sfnt_off0000bb2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBB2B 3884 bytes
SHA-256: 40b61f8938bd710dc29dc58ba3fde91c245a6a69596ec569b4d27c769ca417cf
font_02_sfnt_off0000c7d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC7D2 18108 bytes
SHA-256: 4f752577eb1e48bba574c77bb81c208104fd15466e566a0d43cc64cde6e14ea0

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