Malicious PDF — malware analysis report

Static analysis result for SHA-256 c1165ca776386e2f…

MALICIOUS

PDF

59.6 KB Created: 2021-04-05 19:30:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-11-25
MD5: 3e032096df18dc150083c1fa2935d634 SHA-1: 5128507990bfc4fbd499bae3cd067045408e72ca SHA-256: c1165ca776386e2fa36b719a264f1af26b17cbde25c8908f36a8bbb52b485211
140 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous links to websites that promise game hacks and free in-game currency, such as Robux. These links are presented as a 'game-hack scam link farm' and are designed to lure users into clicking them. The document body and heuristics indicate a clear intent to direct users to these scam sites, which likely serve as phishing pages or distribute further malware. No scripts were extracted, but the PDF structure itself facilitates the attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6193

Heuristics 6

  • PDF carries distributed game-hack scam link farm critical PDF_GAME_HACK_SEO_LINK_FARM
    PDF contains a free-generator/game-hack lure together with many external PDF links spread across distinct hosts whose filenames advertise game hacks, cheats, jailbreaks, generators, or free currency. This is a high-confidence scam/SEO-poisoning carrier: the PDF exists to route users into malicious or unwanted download/redirect chains, not to present normal document content.
  • PDF carries game-hack generator link farm medium PDF_GAME_HACK_LINK_FARM
    PDF contains a gaminggenerator.org app lure together with multiple external PDF links whose filenames advertise game hacks, cheats, jailbreaks, or generators. This is a lure/delivery link farm rather than a PDF exploit: the risk is the linked redirection chain.
  • 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://gaminggenerator.org/app/431946152/a-hacker-told-me-this-glitch-robux PDF link annotation
    • http://ferienwohnung-walker.de/images/roblox-robux-hack-no-downloading-apps.pdfIn PDF document text
    • http://agrupamentoescolas-alfredo-da-silva.com/images/comment-avoir-un-mode-de-cheat-sur-roblox.pdfIn PDF document text
    • http://xn--59-6kcusgqlmfgen3m.xn--p1ai/images/roblox-redeem-code-free-robux.pdfIn PDF document text
    • http://cmme.it/images/hacked-by-john-doe-roblox-prank.pdfIn PDF document text
    • http://kids-academy.pl/images/how-to-hack-roblox-if-u-forgoten-your-password.pdfIn PDF document text
    • http://aadvanderklaauw.nl/images/how-do-you-get-free-robux-on-tasks.pdfIn PDF document text
    • https://www.albisser.ch/images/how-to-get-free-items-on-roblox-2021-working.pdfIn PDF document text
    • http://ims-77.fr/images/free-robux-youtube-2021.pdfIn PDF document text
    • http://kancelaria-legnica.eu/images/how-to-make-a-roblox-hack-injector.pdfIn PDF document text
    • http://mnp-realty.ru/images/roblox-prison-life-hack.pdfIn PDF document text
    • http://britishcomics.com/images/hack-rpg-simulator-roblox.pdfIn PDF document text
    • https://www.romedia.gr/images/roblox-free-robux-inspect-element-2021.pdfIn PDF document text
    • https://www.iadh.bi/images/roblox-hacking-cheat-engin.pdfIn PDF document text
    • https://www.manisoft.ir/images/how-to-hack-a-rank-on-roblox-groups.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/youtube-free-roblox-account.pdfIn PDF document text
    • http://selectionspdf.fr/images/how-to-wall-hack-in-roblox-murder-mystery-2.pdfIn PDF document text
    • https://cintasoeste.com.ar/images/games-that-give-free-robux-no-password.pdfIn PDF document text
    • https://www.seeingindependence.org/images/tuto-comment-hack-robux.pdfIn PDF document text
    • http://ottawavalleykitchens.ca/images/free-jordan-shirt-roblox.pdfIn PDF document text
    • http://gods-own.org/images/cheat-engine-roblox-jump-may-2021.pdfIn PDF document text
    • http://traveltrucks.com.au/images/roblox-free-items-2021.pdfIn PDF document text
    • http://musical-arts.de/images/roblox-trade-bot-free.pdfIn PDF document text
    • http://talkingbudgie.com/images/roblox-prison-life-cheat-engine-wall-codes.pdfIn PDF document text
    • http://www.marambio.com.ar/images/roblox-phantom-forces-application-hack.pdfIn PDF document text
    • https://lesegais.ru/images/roblox-hacks-4-free.pdfIn PDF document text
    • http://www.mosaikshop.at/images/real-hack-robux.pdfIn PDF document text
    • https://www.udivadlahotel.cz/images/bring-somone-infront-of-you-hack-roblox.pdfIn PDF document text
    • https://www.eglihotel.gr/images/assasin-2-roblox-hack-khnif.pdfIn PDF document text
    • http://www.kalaaliaraq.dk/images/roblox-glames-with-gliders-free.pdfIn PDF document text
    • http://bau-lk.de/images/free-code-robux-2021-auguste.pdfIn PDF document text
    • http://www.zdravazena.sk/images/admin-commands-hack-for-roblox.pdfIn PDF document text
    • https://www.mvp.co.nz/images/how-to-get-free-robux-with-a-fake-credit-card.pdfIn PDF document text
    • https://www.fhccu.com/images/roblox-speed-change-cheat-engine.pdfIn PDF document text
    • http://lillysonthelake.com/images/case-clicker-roblox-hack.pdfIn PDF document text
    • http://behsanroshd.com/images/how-to-hack-free-robux.pdfIn PDF document text
    • http://apostolosandreaslemesou.com/images/free-hacks-cheats-and-bots-roblox.pdfIn PDF document text
    • http://domaizdereva24.ru/images/roblox-new-free-shirt-template.pdfIn PDF document text
    • http://safetin.ru/images/roblox-script-hack-list.pdfIn PDF document text
    • https://www.ncscolour.no/images/free-robux-hack-instantly.pdfIn PDF document text
    • http://www.sapaengineering.kz/images/get-free-builders-club-on-roblox-2021.pdfIn PDF document text
    • http://iluvlocalplaces.com/images/hack-system-for-roblox.pdfIn PDF document text
    • http://www.cosver.nl/images/free-roblox-money-codes-2021.pdfIn PDF document text
    • https://www.cnte.org.br/images/dantdm-roblox-shirt-free.pdfIn PDF document text
    • http://zarinnameh.ir/images/roblox-pet-simulator-hack-script.pdfIn PDF document text
    • http://domaizdereva24.ru/images/dead-mist-2-hacks-roblox.pdfIn PDF document text
    • http://stackideas.com/images/unkwon-cheats-roblox.pdfIn PDF document text
    • http://joshherman.com/images/roblox-cheat-xbox-one-argent.pdfIn PDF document text
    • http://sscclc.edu.ec/images/free-cute-outfits-on-roblox.pdfIn PDF document text
    • https://inspiration-modellbau.de/images/tamper-monkey-roblox-hack.pdfIn PDF document text
    +16 more URL(s)

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off000081fc.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x81FC 24892 bytes
SHA-256: 36737f19c729b865eaa72391be57b15dde395528458d973f4019fed443f4b4a7
font_01_sfnt_off0000bab5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBAB5 2832 bytes
SHA-256: 77ae1c4cffa647a8fd533dfa4102e94364989f9e80b9cd131876e9d1005899a2
font_02_sfnt_off0000c466.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC466 18644 bytes
SHA-256: b25084c94ab60e54b83c0382835590a91f498b5064ace67dfc893b8c14c49bc6