Malicious PDF — malware analysis report

Static analysis result for SHA-256 000460d62e31393d…

MALICIOUS

PDF

68.3 KB Created: 2021-02-14 15:56:07 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 7a2b6782623ebdedbb3ac50ae06fd7f9 SHA-1: c28816575d35e31c4cbc4abacda656a84888d27a SHA-256: 000460d62e31393dc58ae7e7edd8da471cfe278e07287c74792be262b27f8bbe
104 Risk Score

Malware Insights

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

The PDF file contains a URL that appears to be a redirector, specifically designed to lure users with search terms like 'Bengali movie best site'. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the embedded URL is the primary indicator of compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • SEO-redirector lure link (multi-word utm_term) low PDF_SEO_UTM_REDIRECTOR_LINK
    PDF contains a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the search-keyword gateway used by the 'free document download' phishing family. Surfaced as an IOC; on its own this is a low-confidence signal.
  • 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://maypoin.ru/aws?utm_term=bengali+movie++best+site PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4423462/normal_5fc80082b9f01.pdfIn PDF document text
    • https://cdn.sqhk.co/jivonotiso/eIBibjc/judozi.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4409257/normal_60247ff0ccc29.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414691/normal_6007bd4cdd200.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486742/normal_602205e9b54a6.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4394068/normal_5ff98819561dd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380681/normal_5fc7f505394e0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379616/normal_601b20c7ea37d.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/vonuxagupeduze/vepilug.pdfIn PDF document text
    • https://s3.amazonaws.com/fizup/posavumosuno.pdfIn PDF document text
    • https://s3.amazonaws.com/kavifunaruvi/extraction_lab_report_discussion.pdfIn PDF document text
    • http://worined.epizy.com/aranjuez_music_sheet.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_off0000ce58.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE58 5156 bytes
SHA-256: 7cbbe7b044cdefc51847b685ccf9e9941c66acb171f32bab809275e20cde0fe2
font_01_sfnt_off0000dfe2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFE2 10748 bytes
SHA-256: 9c5d7191621b39ddf40333b00a63969ac40e1c9ef163470e57d285ed9d9afcec