Malicious PDF — malware analysis report

Static analysis result for SHA-256 074390fd536fa67d…

MALICIOUS

PDF

79.8 KB Created: 2021-03-17 08:21:56 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20
MD5: 49e032c2d087f2c0bbcc1c49a278c2e4 SHA-1: bd41b7d429127573d85d26148686ee9e590997d2 SHA-256: 074390fd536fa67d184095805b93c2b5dd123319f80acc1a6a794d68897bcb01
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. ClamAV and ML classifiers strongly indicate malicious intent. The document body, though heavily obfuscated, contains text related to 'magic bullet theory examples' which is likely a lure to entice clicks on the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://botokaw.ru/strik?utm_term=magic+bullet+theory+examples PDF link annotation
    • http://kumululurug.scienceontheweb.net/zofutoxalefunodikafumisif.pdfIn PDF document text
    • http://zeweduzu.iblogger.org/limibiwelizan.pdfIn PDF document text
    • http://kushtanash.ru/safe_haven_humane_societymxm2s.pdfIn PDF document text
    • http://avtoshtorki.shop/like_love_hate_worksheetgq6kc.pdfIn PDF document text
    • http://tonagruz.ru/ninudotehmrr.pdfIn PDF document text
    • http://ig-verifiedsbadge.com/detepetejudimutotay4ys.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/xisakazelelinim/pukuwodovebunar.pdfIn PDF document text
    • http://jiruroxi.epizy.com/resumen_del_libro_el_arte_de_amar_capitulo_1.pdfIn PDF document text
    • http://zezofakarol.myartsonline.com/wasuwadedekaminedewuze.pdfIn PDF document text
    • http://lubesugoninop.epizy.com/23191642047.pdfIn PDF document text
    • http://soburuwukipo.epizy.com/before_sunset_subtitles.pdfIn PDF document text
    • https://s3.amazonaws.com/pasutiz/cyberpunk_games_for_android.pdfIn PDF document text
    • http://wopepib.epizy.com/why_is_my_cyberpower_ups_beeping.pdfIn PDF document text
    • https://s3.amazonaws.com/fotepopunaj/credit_mutuel_group_annual_report_2015.pdfIn PDF document text
    • https://s3.amazonaws.com/takateg/89071615535.pdfIn PDF document text
    • https://s3.amazonaws.com/minegikukovel/colorblind_counting_crows_piano_sheet_music.pdfIn PDF document text
    • http://rusavuwirajul.rf.gd/thoracic_aortic_dissection_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/guxosa/57865780831.pdfIn PDF document text
    • https://s3.amazonaws.com/daniwodug/92513625279.pdfIn PDF document text
    • http://xesoduzojisore.rf.gd/54605818741.pdfIn PDF document text
    • https://s3.amazonaws.com/padosumifubobo/dough_sheeter_for_sale.pdfIn PDF document text
    • https://s3.amazonaws.com/jemazejodep/weather_report_for_my_road_trip.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f81e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF81E 5664 bytes
SHA-256: 0b1e80a9cf845e4388e2fcd37eebdc48000a811745936a6a49ed173f3d18f065
font_01_sfnt_off00010b4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10B4C 11144 bytes
SHA-256: 8a9e8bcb47da70fab5cc81679b8ff871934d7de40d20bbb3dc9e6fbd437c6240

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