Malicious PDF — malware analysis report

Static analysis result for SHA-256 e342a7d2b9e89b09…

MALICIOUS

PDF

68.6 KB Created: 2020-11-14 06:29:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 622a50b6462b244b200f4623573fa440 SHA-1: dac40cf3c1b4d722692fe8f5c639ef2ecd6c3da8 SHA-256: e342a7d2b9e89b099289e8cb036262a0057817987aa086feff7ede54aa25598e
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 0.9974

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://trafffe.ru/strik?utm_term=doraemon+movies+in+tamil+dubbed+free+download PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4385863/normal_5f951ebf14047.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4427780/normal_5faf57693b507.pdfIn PDF document text
    • https://wivupenoremew.weebly.com/uploads/1/3/0/7/130775018/2781923.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410722/normal_5fa3d9702eb58.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/4d2df5a0-e5ec-43c7-9e87-0602510f6cb3/piwivanena.pdfIn PDF document text
    • https://s3.amazonaws.com/toliwudalamem/pabijimaniwukiz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c8aea3cd-bf1b-4366-903b-fdd251fd6ec1/75787108336.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/476d3dd1-7630-4723-9006-e9c956d77b90/sebijo.pdfIn PDF document text
    • https://s3.amazonaws.com/vuliwisuwig/9107371293.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_off0000cfe9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFE9 5344 bytes
SHA-256: d8ec2439c077ab09e4d229077e18bf4ddcd37e8a1950209fef3eaadbc1b4aa88
font_01_sfnt_off0000e212.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE212 10532 bytes
SHA-256: 1c9904eaa63b2cecf406eee59dbda7111c828c14b20c116150461cc5c3ca0bba

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