Malicious PDF — malware analysis report

Static analysis result for SHA-256 525e7ae14c8246df…

MALICIOUS

PDF

240.9 KB Created: 2021-04-05 07:28:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-16
MD5: 1ae3207f5e8ddaf9a326740da70b4a05 SHA-1: 2c18ecc4e230f3c5f416dec0295cd4cd2b5bae81 SHA-256: 525e7ae14c8246df4d8abab11f2b1be3ce79fcabb5105ffbf15534809bfec1cc
102 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The file is identified as malicious by ClamAV with the signature 'Pdf.Phishing.Roblox062100-9873116-0', and ML classifiers also flagged it. The document body, though heavily obfuscated, contains references to 'Roblox Hack' and 'Cheats Online', suggesting a phishing or scam lure. An external URI pointing to a similar domain was also extracted, reinforcing the malicious intent.

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/apps-cheat-roblox-hack-2021-cheats-online PDF link annotation
    • https://gryps.de/images/what-are-the-codes-for-free-robux.pdfIn PDF document text
    • http://avocatultau.eu/images/call-of-robloxia-5-roblox-at-war-hack.pdfIn PDF document text
    • http://apcupschennai.com/images/how-to-add-cheats-to-a-roblox-game.pdfIn PDF document text
    • https://rieber-transporte.de/images/free-roblox-accounts-bugmenot-2021.pdfIn PDF document text
    • http://jugendfeuerwehr-scheinfeld.de/images/100-working-free-roblox-coin-gen.pdfIn PDF document text
    • http://dmoraitis.gr/images/220-guess-the-memes-cheat-roblox.pdfIn PDF document text
    • http://svp-steinmaur.ch/images/free-designs-for-streamers-roblox.pdfIn PDF document text
    • http://kim-kinder-im-mittelpunkt.de/images/roblox-hack-fly-2021.pdfIn PDF document text
    • http://prodent.com.ua/images/free-robux-without-downloads-hypur.pdfIn PDF document text
    • https://www.porthos.it/images/how-to-hack-into-roblox-accounts-2021.pdfIn PDF document text
    • http://jijel.info/images/how-t-hack-any-roblox-game-with-scripts.pdfIn PDF document text
    • http://gestibrok.com/images/roblox-free-play-at-school.pdfIn PDF document text
    • http://www.pro-futuro.eu/images/trigon-cheat-roblox.pdfIn PDF document text
    • http://eooe.gr/images/roblox-hack-no-human-verification-2021-iphone.pdfIn PDF document text
    • http://batutynas.lt/images/how-to-get-free-obc-on-roblox-2021.pdfIn PDF document text
    • http://berntfoto.dk/images/giyfcom-roblox-hack.pdfIn PDF document text
    • http://picuruta.com.br/images/robux-gift-card-codes-for-free.pdfIn PDF document text
    • http://firstaidacademy.be/images/how-to-create-a-roblox-hack-in-2021.pdfIn PDF document text
    • http://famoirs.co.uk/images/how-to-get-free-robux-2021-ad.pdfIn PDF document text
    • http://schottlandfieber.de/images/how-o-have-free-robux.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.

FilenameKindSourceSize
stream_002_off00036ace.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x36ACE 22344 bytes
SHA-256: 3b92239292ddf699d655ef8249314dd47cce39aa8288fab5cf0bda8a5cd82043
font_01_sfnt_off00039c20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x39C20 18720 bytes
SHA-256: 649c2086719a268e80135849fb3df92b91af174812af663960d1ee521c96ebcf