Malicious PDF — malware analysis report

Static analysis result for SHA-256 70c78f1b16a587a7…

MALICIOUS

PDF

80.3 KB Created: 2021-01-25 09:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: bf14c46acb7a1d0c78b6f468cc62a66a SHA-1: 13f5cdd6dcdee0aa7a6575624968e09fb4c64f2d SHA-256: 70c78f1b16a587a7458eb375ab0ca0fd3b93833ae3ecef608885635f8c56d01e
96 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to 'trafftec.ru' which appears to be a lure related to 'Supercar serie netflix'. Numerous other unknown reputation URLs were also extracted, suggesting a phishing or credential harvesting attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://trafftec.ru/wb?keyword=supercar%20serie%20netflix PDF link annotation
    • http://vinnipoh.fun/xusasuvojubeke8cm2.pdfIn PDF document text
    • http://zoo-taxi.site/102752305343e3da.pdfIn PDF document text
    • http://ovca.space/79088630165tjj0n.pdfIn PDF document text
    • http://losqutoq.online/tank_block_blast_mod_moneyb4l2c.pdfIn PDF document text
    • http://testrun.ru/55815926733vddgr.pdfIn PDF document text
    • http://tumbochka.space/urban_ninja_warrior_lexington_kye65kr.pdfIn PDF document text
    • http://pitijebubitos.iblogger.org/collective_nouns_worksheet_grade_7.pdfIn PDF document text
    • http://sq11mini.com/religion_god_dialoguesiz5nq.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4489255/normal_60064c788edae.pdfIn PDF document text
    • http://0fruit.space/dinosaurs_vs_aliens_filmavpva.pdfIn PDF document text
    • http://lajenasuwo.iblogger.org/vemulidegifupobowotepe.pdfIn PDF document text
    • http://eu-study.ru/bilurizawuxamotepadiajr9d.pdfIn PDF document text
    • http://czecheducation.space/domino_s_delivery_pizzahyewu.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/bugutaj/ravokasez.pdfIn PDF document text
    • http://jeruzofifisamen.rf.gd/moscow_metro_map_2018.pdfIn PDF document text
    • http://lanikudawojag.rf.gd/39664943564.pdfIn PDF document text
    • https://s3.amazonaws.com/zonivezada/kindle_ebook_reader_for_android.pdfIn PDF document text
    • https://s3.amazonaws.com/fewunadupop/dog_ears_headband_template.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/2970940429.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_off0000fcc4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCC4 5180 bytes
SHA-256: 272cc8f82d7f7ddedee4fb0e1ff4fcb6d0b50ee635e06838112b4b461b1bcc5c
font_01_sfnt_off00010e7b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E7B 10996 bytes
SHA-256: 9e977da880b8bf1103e7bf0baa8168499e452cf6c330a28ae24711d8d2933168

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