Malicious PDF — malware analysis report

Static analysis result for SHA-256 68bcc7c9bc0ee5e0…

MALICIOUS

PDF

79.9 KB Created: 2021-03-24 06:33:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 700908f4bcf6cd0adc18638594dd5dd5 SHA-1: 2745571a920fdab1d9b8d97a6859c463dc5bf4bb SHA-256: 68bcc7c9bc0ee5e0eba70ec120e45505477d8cef51a90ec9c8ecade5ec647576
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 0.9994

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://xajibur.ru/wix?keyword=benevolencia+en+la+biblia PDF link annotation
    • https://livurexile.weebly.com/uploads/1/3/2/6/132695833/kejemaxi.pdfIn PDF document text
    • https://cdn.sqhk.co/kivipemo/CFgdiND/wobokosomapodotiw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484093/normal_6032c8f04d341.pdfIn PDF document text
    • https://cdn.sqhk.co/rukeditele/fgigcjb/49169173880.pdfIn PDF document text
    • https://xigarivopupu.weebly.com/uploads/1/3/5/3/135300822/lolutapogitogetebox.pdfIn PDF document text
    • https://cdn.sqhk.co/leporolino/dSrHTJd/likert_scale_analysis_in_r.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4483867/normal_5ff1b89fb499b.pdfIn PDF document text
    • https://cdn.sqhk.co/tufiroxova/hcIheij/94061797740.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387815/normal_60178a00a76b7.pdfIn PDF document text
    • https://cdn.sqhk.co/tenalewi/achjjat/2203379360.pdfIn PDF document text
    • https://tovamegudisolos.weebly.com/uploads/1/3/1/4/131411857/7e01fed074395e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464995/normal_5fecbe05b05e2.pdfIn PDF document text
    • https://nimugafibe.weebly.com/uploads/1/3/6/0/136084612/sutinoridevotozo.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4490524/normal_602d0be28dfce.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4476927/normal_603ceeb6c957b.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389804/normal_602c2786bf319.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/fopalew/apple_watch_application.pdfIn PDF document text
    • https://s3.amazonaws.com/sitok/tuzukaviketix.pdfIn PDF document text
    • https://s3.amazonaws.com/setaxilitozuko/35567360352.pdfIn PDF document text
    • https://s3.amazonaws.com/sinadi/vagofotunajusonam.pdfIn PDF document text
    • https://2e4d99de-9d37-4ce2-abd5-0bbccafdbe51.filesusr.com/ugd/33a2e4_1e748461441f44e889442c227a7d9ea5.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/resisuna/8124806512.pdfIn PDF document text
    • https://12a3aa02-022d-4218-8efb-90aa4388683d.filesusr.com/ugd/6dfd9b_a8db5a1d49f545539a2af5e0394aba14.pdf?index=trueIn 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_off0000fa7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA7A 4768 bytes
SHA-256: 57f7ec66976b01e4b9cbe1a232ee0a13a51463bb1bbf6cece1b31ca596accc00
font_01_sfnt_off00010acf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10ACF 11636 bytes
SHA-256: f34b71d223c416b939fc557280c5fb1e0f0b3b0484254720041b41e45848aaff

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