Malicious PDF — malware analysis report

Static analysis result for SHA-256 1d1f1ec42c5a80c2…

MALICIOUS

PDF

77.9 KB Created: 2021-04-23 00:25:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 49ba2a36bb6dd812736321ff355c217d SHA-1: f45a4fc2343395228a0499f35047d7ed15249460 SHA-256: 1d1f1ec42c5a80c2a05f4d2da8e165b50d4b9c58ae5aef1367cc2552bb630b80
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a suspicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were explicitly extracted, the PDF structure and embedded URI suggest an attempt to redirect the user to a malicious site, which is a common tactic for phishing campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://lozipotod.ru/strik?utm_term=star+wars+the+old+republic+sith+races PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4374699/normal_602fb46501968.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4383681/normal_60469372778eb.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416305/normal_604ce6078e879.pdfIn PDF document text
    • http://it50disconto.info/powermore_208cc_engine_partskb7e8.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489975/normal_606ea9f31e0c5.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375350/normal_6068cc07102eb.pdfIn PDF document text
    • https://cdn.sqhk.co/kezomerameki/dOgdhc7/xapuruligaje.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4402938/normal_5ff9d42d61da0.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4417664/normal_5fe29d2c1d912.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4378386/normal_5fd267b2f2394.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485718/normal_603b6eb31381b.pdfIn PDF document text
    • https://cdn.sqhk.co/mevexobuzur/zvriije/jiffy_lube_smog_coupons_reno_nv.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4380854/normal_5ffcde0715aae.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379603/normal_603f3bbcdb6e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486197/normal_6069d415f323b.pdfIn PDF document text
    • https://cdn.sqhk.co/feripamapuv/1ijBjgo/hoopa_and_the_clash_of_ages_arceus_scene.pdfIn PDF document text
    • http://micrometer25bill.site/2275733601srcn8.pdfIn PDF document text
    • http://kemovarudowitox.iblogger.org/convert_file_to_word_for_editing_online.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pulilubanis.rf.gd/bernardo_esquinca_carne_de_ataud.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_off0000f309.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF309 5496 bytes
SHA-256: 898aaa66a504520eab3558066a39e9a736bc95c2c4cbea57d6580e1497dbb79e
font_01_sfnt_off000105c0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x105C0 10652 bytes
SHA-256: 6bfb14a63fddc638fbcf5287a1efa6e30043f89d9ed939239735f6f12f03214b

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