Malicious PDF — malware analysis report

Static analysis result for SHA-256 734e958d68ff739b…

MALICIOUS

PDF

78.2 KB Created: 2021-02-10 18:57:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 34fc15f429180fe8ee55224d650bcb6b SHA-1: 015c98bb503452741e3e8e7dc858cd44e4b75205 SHA-256: 734e958d68ff739b023109fe9e053c3674b7c80c87dc5e221d0978086fd7dd7f
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF document contains text referencing 'American airlines gate information phone number', suggesting a phishing lure. It also contains an embedded URI pointing to 'https://baarspo.ru/aws?utm_term=american+airlines+gate+information+phone+number', which is highly suspicious. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://baarspo.ru/aws?utm_term=american+airlines+gate+information+phone+number PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4469143/normal_5fc5bdd5acf90.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378381/normal_6004a763f2bb6.pdfIn PDF document text
    • http://reduslimitaly-official.site/80153365533l01ts.pdfIn PDF document text
    • https://cdn.sqhk.co/rufebumu/sLflhhF/womim.pdfIn PDF document text
    • http://menazubuta.iblogger.org/book_antiqua_bold_font_free.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366639/normal_6019857f64e30.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4368763/normal_5fe0e4172f038.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4495846/normal_5ff4f583453e8.pdfIn PDF document text
    • http://dle-tpl.site/villains_by_necessity_by_eve_forward9v3dd.pdfIn PDF document text
    • http://hookup157.site/arnie_the_doughnut_worksheetswo2mf.pdfIn PDF document text
    • https://cdn.sqhk.co/dofewijoras/jwRgigi/97142509040.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455396/normal_5fd145e524c3a.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4384464/normal_5ffc1311f21be.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4408340/normal_5fe3dec0a5efe.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://peronilekovo.rf.gd/beyonc_formation_homecoming_live_lyrics.pdfIn PDF document text
    • https://s3.amazonaws.com/vofadoloves/58062082501.pdfIn PDF document text
    • http://ferobinosu.epizy.com/gajifukeloroboduzaweko.pdfIn PDF document text
    • https://s3.amazonaws.com/xomudufe/important_english_words_and_meanings.pdfIn PDF document text
    • http://lojupefiduk.epizy.com/48995549682.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_off0000f2bb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2BB 5556 bytes
SHA-256: b4f6351939be8c5879dbcc0255ae39f970b1ec93cda04352ab18863d20f54271
font_01_sfnt_off00010572.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10572 11624 bytes
SHA-256: cc50bbab37e3f4dbcb3178aeae8da732c84753b52cfbd483fdd57a79b9be4d76

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