Malicious PDF — malware analysis report

Static analysis result for SHA-256 2437d6c646cd9c31…

MALICIOUS

PDF

70.9 KB Created: 2021-03-29 18:12:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1764c3f1c2187c1fca1ef90aaeace256 SHA-1: c065f1c89fc5b5a6bad77d213aa3cfd14997f14e SHA-256: 2437d6c646cd9c31404391ad6040a3e5269f1e843ca5a65f531b233269d3334b
94 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains an embedded URI pointing to a suspicious domain, identified by ClamAV as a phishing trojan. The document body, though heavily obfuscated, suggests a lure related to 'Aldous Huxley'. The presence of an external URI and the ML classifier's high score indicate a malicious intent to redirect the user to a harmful site, likely for phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8129

Heuristics 3

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://resalured.ru/award?keyword=aldous+huxley+as+portas+da+percep%25C3%25A7%25C3%25A3o+pdf
    • http://tinosexepupab.iblogger.org/sat_biology_practice_test_with_answers.pdf
    • http://baderezu.scienceontheweb.net/which_epistles_were_written_in_prison.pdf
    • http://about-central.com/75313527200lulb7.pdf
    • http://rerubin.space/diwatelibudululeluzbtj06.pdf
    • http://bejawutipage.mywebcommunity.org/mental_state_assessment_definition.pdf
    • http://dreabling.online/meeting_room_booking_software_canadadihh3.pdf
    • http://basvuruizleme.online/59025476608cach1.pdf
    • http://fuxewofuwikafu.iblogger.org/agenda_web_present_continuous_exercises.pdf
    • http://pesuloduf.medianewsonline.com/diviser_une_page_en_plusieurs_pages.pdf
    • https://nutovavodus.weebly.com/uploads/1/3/4/0/134012609/seloweragido.pdf
    • http://stickerrus.ru/ygs_biyoloji_soru_bankasdvymr.pdf
    • http://fruitik.space/24117630045ct37r.pdf
    • http://noxogejukebe.mypressonline.com/vereinfachte_steuererklrung_2020_anlage_n.pdf
    • https://toxuweraf.weebly.com/uploads/1/3/4/1/134108638/975f01f4.pdf
    • https://xesuxikoju.weebly.com/uploads/1/3/4/0/134095833/5916386.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://segudufarus.epizy.com/7814371471.pdf
    • http://renirujetumofid.epizy.com/15105740145.pdf
    • http://nowimirozox.atwebpages.com/90109547841.pdf
    • http://samepuwewar.rf.gd/west_side_story_musical.pdf
    • http://vafopowagaguki.rf.gd/tefeverotoxukevonexoxezeb.pdf
    • http://zezopuvezo.rf.gd/6266794085.pdf
    • http://scripts.sil.org/OFL

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3dd.bin
9154222c28a557db2a94f38f4ba87729da7312d912fa3f839217e1c5dd3928e7		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3DD 5900 bytes

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