Malicious PDF — malware analysis report

Static analysis result for SHA-256 a0aaa00732bd5dc1…

MALICIOUS

PDF

35.6 KB Created: 2021-07-03 20:33:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 261e9b354d4c503b341077e727013cde SHA-1: b2a2410533100506d2689957a6db3bb02f2b141e SHA-256: a0aaa00732bd5dc1c98f78d61ec92c7ef0c1b393322bfe3527a495a990bb53fe
82 Risk Score

Malware Insights

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

The PDF document contains a lure for game hacks and free currency, directing users to a suspicious URL. The ML classifier strongly indicates maliciousness, and the presence of multiple game-related lures suggests a social engineering tactic to drive traffic to potentially malicious sites or download further payloads. No scripts were extracted, but the document's structure and embedded URLs point to a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • 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.
  • 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://netcdn.tw/app/406889139/coin-master-free-spins-and-coins-link-haktuts-game-hack PDF link annotation
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/tiradas-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/coin-master-hack-spins-ios_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/rbx-claim_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/free-admin-hack-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/roblox-hack-download-jailbreak_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-for-free-on-chromebook_GM479516143.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/roblox-free-roblox-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-hotel-elephant_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-get-free-tiktok-coins_GM835599320.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/roblox-free-no-download_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/visenya-roblox-exploit-free-download_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-on-mobile_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/coin-master-free-spins-8-14-2021_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/giving-people-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/https-wwwfree-robux_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/hack-robux-july-2021_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-fast_GM431946152.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/how-to-hack-coin-master-in-pc_GM406889139.pdfIn PDF document text
    • https://elearning.mtsn2jember.sch.id/__statics/gudangsoal/files/coin-master-free-cards-link-2021_GM406889139.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
font_00_sfnt_off0000337f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x337F 23080 bytes
SHA-256: b7a77cc2c4e3151ed7d6552f22605cb5d6364a16b9695b625861fcf6c3a53125
font_01_sfnt_off0000677f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x677F 18656 bytes
SHA-256: 3e017b30533e4f5594d0ce20bcdebe9dbaf30d7e5f6e53e964d5ed5cfbcf7f01

Open this report in the interactive analyzer, or submit your own file for analysis.