Malicious PDF — malware analysis report

Static analysis result for SHA-256 0b82d49070674644…

MALICIOUS

PDF

70.5 KB Created: 2021-02-16 23:09:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 956dde0dce3d520805cabf7d42427308 SHA-1: 4e3c572c3b11446bb577b637caf4be710409b1c1 SHA-256: 0b82d49070674644ee275f711b776e37e7abc2edecebc682139b8512807a2895
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that masquerades as a search result for a popular TV show, likely to trick users into clicking it. The ML classifier and ClamAV detection strongly indicate malicious intent, with the embedded URL pointing to a suspicious domain. No scripts were extracted, but the primary attack vector appears to be a phishing lure via a malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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/123?utm_term=pretty+little+liars+season+1+episode+2+full+episode PDF link annotation
    • http://varuvoruva.iblogger.org/xafilewibujugi.pdfIn PDF document text
    • http://vebejisidag.66ghz.com/biwopepesulaj.pdfIn PDF document text
    • http://xisajole.iblogger.org/sushant_singh_new_movie_songs.pdfIn PDF document text
    • https://cdn.sqhk.co/rularijulen/dagcigW/jivuxogemidipefexoto.pdfIn PDF document text
    • https://cdn.sqhk.co/vasegodesazu/PhisFlQ/drum_pad_machine_online.pdfIn PDF document text
    • https://cdn.sqhk.co/saboxiwago/aelkGie/tedovebigela.pdfIn PDF document text
    • http://bavedibigilomit.66ghz.com/20569297217.pdfIn PDF document text
    • http://realwockyc.info/go_karts_pigeon_forge_tn_prices1cfdm.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/tumasun/wozezuwuworuduzoralexi.pdfIn PDF document text
    • https://s3.amazonaws.com/fejatepudopito/letters_printables.pdfIn PDF document text
    • https://s3.amazonaws.com/biwuwukesazef/gewevumijuzom.pdfIn PDF document text
    • https://s3.amazonaws.com/kovezodepugov/opera_browser_old_version_apk_free.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d714.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD714 5324 bytes
SHA-256: ddb2699ad1518215f5c34690c09520a1d40fe96db2e356946208fa7423edff86
font_01_sfnt_off0000e94b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE94B 10456 bytes
SHA-256: e0622cc9ae7d8990463be8d3d75304284435dbf4836de4ccb7fce5424ad1c59a

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