Malicious PDF — malware analysis report

Static analysis result for SHA-256 38c9300e57a52307…

MALICIOUS

PDF

71.8 KB Created: 2021-02-19 20:44:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-22
MD5: 391d3f1b497f49837fe492a0296120ca SHA-1: 12a72deb62e24329a9c79fcb86ec2a081b76f81e SHA-256: 38c9300e57a523071775e76d8779f6b299780c27eec9d7679a25d0568cb4340e
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that redirects to a site offering movie downloads, which is a common lure for phishing or malware distribution. ClamAV detection and ML classification strongly indicate malicious intent. While no scripts were explicitly extracted, the PDF structure and embedded URI suggest it's designed to exploit users through social engineering.

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://leonvi.ru/strik?utm_term=the+hunger+games+mockingjay+full+movie+download+in+tamil PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4505687/normal_60023f15b058e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365660/normal_6016a85924de7.pdfIn PDF document text
    • http://moitender.org/438538211801jfdl.pdfIn PDF document text
    • http://mbfsopg.com/38712554200wmdc8.pdfIn PDF document text
    • http://quickstore.pro/venaxuyk2pw.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465123/normal_5ffbaf4bcabc9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380223/normal_5ff30810663d5.pdfIn PDF document text
    • http://mikrotikwizard.com/44032510812y383i.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374199/normal_5fcd00354fdcd.pdfIn PDF document text
    • http://petrol-v-pol-price.site/rekologvllui.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4425209/normal_5fd3b04bc3849.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4447276/normal_5fcb03a09c444.pdfIn PDF document text
    • http://confirmationhelpcenter.com/nikon_prostaff_rimfire_ii_3-9x40_bdc_150_rifle_scope_16329uszl7.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/nawosineromigi/accounts_aging_report_in_quickbooks.pdfIn PDF document text
    • https://s3.amazonaws.com/zidosozawok/99818223743.pdfIn PDF document text
    • https://s3.amazonaws.com/potofaw/laser_sailboat_mainsheet_cleat.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_off0000d9f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9F3 5776 bytes
SHA-256: 7e1a54e15376ce4caba7d7fd50d18dc25ba6a2aa6b5818f396c14ad16bd91c5e
font_01_sfnt_off0000ed94.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED94 10740 bytes
SHA-256: 630743aef3a9ae2684a55ff0dfa5f2848fe6db40b8d5c2b5944263a96d4507c9

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