Malicious PDF — malware analysis report

Static analysis result for SHA-256 067842f3900fc935…

MALICIOUS

PDF

112.8 KB Created: 2021-02-27 01:42:20 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 1b03967796310cd9275488c1f643eee8 SHA-1: 73b1860df02980997f4a27bd83efd2344f5084a7 SHA-256: 067842f3900fc935b6901ad0bc20b22df6d24d8ff43d914e751e28b1892a50b8
96 Risk Score

Malware Insights

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

The PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains an external URI pointing to a URL that appears to be a lure for downloading a payload, disguised with terms related to the "Finland education system in tamil pdf". While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the detection suggest it functions as a downloader or phishing document.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://nipisod.ru/strik?utm_term=finland+education+system+in+tamil+pdf PDF link annotation
    • https://cdn.sqhk.co/rureroso/5ggzN8b/734698722.pdfIn PDF document text
    • https://cdn.sqhk.co/vifamepupib/4E3hcOF/gezuxafolilizizupox.pdfIn PDF document text
    • http://cardioactiveitalia.site/cerebral_palsy_filekxlwm.pdfIn PDF document text
    • https://zitozujenuzudip.weebly.com/uploads/1/3/4/0/134042901/tirivibimo.pdfIn PDF document text
    • http://uscreditreport.info/fejiduvifuxobimakananerfxdgr.pdfIn PDF document text
    • https://mozufidapu.weebly.com/uploads/1/3/4/0/134012608/mosafosonexo.pdfIn PDF document text
    • https://danevetiwa.weebly.com/uploads/1/3/4/6/134600357/loripamabov.pdfIn PDF document text
    • http://jokojujut.medianewsonline.com/how_to_read_the_gospels_in_chronological_order.pdfIn PDF document text
    • http://vpntop.info/28994193560s14t9.pdfIn PDF document text
    • http://bagomebefekixob.getenjoyment.net/97827191494.pdfIn PDF document text
    • https://cdn.sqhk.co/bulenupulabo/ipiX8gi/ghost_rider_face_3d_wallpaper.pdfIn PDF document text
    • https://topizamo.weebly.com/uploads/1/3/4/4/134435864/6e7750980265.pdfIn PDF document text
    • https://cdn.sqhk.co/reriwoduriju/vYiaLSu/best_harvest_moon_farm_names.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/dojonuta/55212795852.pdfIn PDF document text
    • https://s3.amazonaws.com/zedudo/levupasubemazagaxalukusid.pdfIn PDF document text
    • https://s3.amazonaws.com/rotowan/69673441077.pdfIn PDF document text
    • https://s3.amazonaws.com/xapijifas/mogulumetipavoruwida.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_off00017c4c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x17C4C 5260 bytes
SHA-256: 3cc1ea1b1a10e4de578415452c496f981694f0bf93d36b10fa1337a8069681cd
font_01_sfnt_off00018e30.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x18E30 12224 bytes
SHA-256: 0122e607b74ea6a2912080316f4297eeeb63484a4564da3bde5aee010c29b9ef

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