Malicious PDF — malware analysis report

Static analysis result for SHA-256 a51aaa66e904da74…

MALICIOUS

PDF

50.6 KB Created: 2021-03-10 17:00:09 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5c64a592a02d41ebb7ec5cafd08308ad SHA-1: aa2388c7cd4f8db1534800ea1bb590abe18c0666 SHA-256: a51aaa66e904da74166000399f7fb7913a6a9ec9755fe718e2bcad23be1fe2f6
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is identified as malicious by ClamAV and an ML classifier, exhibiting characteristics of a phishing lure. It contains an image designed to obscure a clickable link, directing users to 'https://maypoin.ru/aws?utm_term=manual+de+funciones+que+es+y+para+que+sirve'. The document's structure and the presence of an external URI strongly suggest an attempt to deceive the user into visiting a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7260

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 50 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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 https://maypoin.ru/aws?utm_term=manual+de+funciones+que+es+y+para+que+sirve
    • http://runepudojeb.iblogger.org/dedik.pdf
    • http://unreguezff.rest/radio_1_uk_top_40_songs_this_weekxi0ff.pdf
    • http://obschee.xyz/we_are_all_completely_beside_ourselves_part_1_summary81ns8.pdf
    • http://xilasojere.iblogger.org/ripixo.pdf
    • http://reduslimitalia.site/power_electronics_mohan_download35yvg.pdf
    • http://reform-st.ru/156013398085xazq.pdf
    • http://testersairf.xyz/samsung_s5_bootloader_status_check_apk8y5wq.pdf
    • http://onlajn-kassa.ru/how_to_install_3rd_age_total_warmw63z.pdf
    • https://uploads.strikinglycdn.com/files/12a4bb09-a7e5-4582-9a66-5b78d925d3a3/mezojewasujomixibunabazo.pdf
    • https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_385fbb7d348f456db6b0d50c20a1aaee.pdf?index=true
    • http://rowesotinik.rf.gd/garmin_vivofit_jr._3_-_activity_tracker_-_marvel_black_panther.pdf
    • http://remofexemuja.rf.gd/college_admission_essay_format_template.pdf
    • https://4ad55601-b8ab-4ae0-bc0e-e90069072326.filesusr.com/ugd/3aca14_eae936488ea64b949faa20bf509a12e6.pdf?index=true
    • http://labireninofut.epizy.com/lodidugezedavinozivisogom.pdf
    • https://8c805f22-5240-4a8e-9b4d-8499607ff1fc.filesusr.com/ugd/76156b_fdf1da9a8a704770b145b7aa208359b4.pdf?index=true
    • https://6bb2b61b-82bf-473b-8365-63ddb02ddbdd.filesusr.com/ugd/d55797_bdd18866e347492390793de953e73eda.pdf?index=true
    • https://27158da8-170d-48ca-a528-b8ced62fe517.filesusr.com/ugd/9fc8c3_9e79d25af69444ec8f206c1298ebd12a.pdf?index=true
    • https://uploads.strikinglycdn.com/files/c588ec2e-a07c-4f2c-bcfa-f1c2a6f795bd/cyberpunk_2020_weapons_list.pdf
    • https://eda93683-a6ca-45e9-8056-ca7adea7f1dc.filesusr.com/ugd/d655db_4c027c607766405db262627ade39216e.pdf?index=true

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