Malicious PDF — malware analysis report

Static analysis result for SHA-256 fd0c7984c571a2bc…

MALICIOUS

PDF

63.8 KB Created: 2020-12-22 10:40:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 118c1213c59c9098bc36e7cd9134ea37 SHA-1: 1264487f015991d0c77bed3382a2428b29ecafbd SHA-256: fd0c7984c571a2bcd2ee396269246e8f8fe8aa1a58dcee7309527387031b87ff
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9909

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://traffking.ru/strik?utm_term=stickers+on+iphone+6 PDF link annotation
    • https://bokakarepexopo.weebly.com/uploads/1/3/4/7/134750167/2e945b39b67c.pdfIn PDF document text
    • https://lobizuwoxigamog.weebly.com/uploads/1/3/4/5/134515373/9816498.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365586/normal_5f931dc25a12e.pdfIn PDF document text
    • https://mebijakonenu.weebly.com/uploads/1/3/4/4/134458360/3944710.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4454803/normal_5faf179922c81.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://static1.squarespace.com/static/5fe12c0ad9d1b024564de0ef/t/5fe1a3bb70f55f6f05f22957/1608623037093/14772156240.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ca98718-c241-4b13-8744-21a77f3bb7ff/zagigagavalogeme.pdfIn PDF document text
    • https://s3.amazonaws.com/kodipopujufipig/10151484109.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_off0000bf37.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBF37 5100 bytes
SHA-256: c59e5d63fc3970828edc9502f2c7ae4938e6e5f0e8ba5195ade16927d8a3892d
font_01_sfnt_off0000d092.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD092 10132 bytes
SHA-256: c06ca01a634ab9dd09a6d566060350d803cd8a7a0a842a3c66072d3798037fea

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