Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e272ba5fb7925f7…

MALICIOUS

PDF

214.1 KB Created: 2021-03-01 19:20:29 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 9a2d0a37f4fd2360af15303656013953 SHA-1: e85d37d5329c7b01ef1d04a48910a86346288ad3 SHA-256: 2e272ba5fb7925f767dd4bb844f7ee4f9f620ff9940d5f57c8f8200e001d5674
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 0.9831

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://druttle.ru/123?utm_term=ccnp+route+300+101+dumps+9tut PDF link annotation
    • https://sujixiku.weebly.com/uploads/1/3/0/7/130739139/8621785.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487187/normal_5fce3a3c2ca28.pdfIn PDF document text
    • https://fosevikotik.weebly.com/uploads/1/3/1/6/131637163/313567.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4490929/normal_5fcda88be1c58.pdfIn PDF document text
    • https://kevavabine.weebly.com/uploads/1/3/1/4/131406582/jikoronijoruziw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4415946/normal_6015c9db7108c.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426944/normal_5fe4de73f203d.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4387711/normal_5ff15bd324405.pdfIn PDF document text
    • https://muwalivom.weebly.com/uploads/1/3/2/6/132695892/rudavogagolaz_pilawuxesotuvu_dapavobon.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393763/normal_60170c202a0de.pdfIn PDF document text
    • http://tasimidu.iblogger.org/12719347268.pdfIn PDF document text
    • http://depepuxuri.22web.org/palotuva.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4475406/normal_5fe2ae6eb1b05.pdfIn PDF document text
    • https://dibagipowuxuz.weebly.com/uploads/1/3/0/7/130776183/wewipozoruzinat_wufiwenuri.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4416125/normal_5fcd00a358d79.pdfIn PDF document text
    • http://pawusofadezozep.22web.org/nepolowe.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412592/normal_5fd624ec5402a.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://nawonuzegajosi.epizy.com/21083243848.pdfIn PDF document text
    • http://janosunitemixe.epizy.com/39583130913.pdfIn PDF document text
    • http://jopivot.rf.gd/87137517306.pdfIn PDF document text
    • http://navibav.epizy.com/dewalt_dw733_dust_collection.pdfIn PDF document text
    • http://nasuxenabo.epizy.com/41532841527.pdfIn PDF document text
    • http://juxuvirorut.epizy.com/28707185819.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0002fb41.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FB41 5396 bytes
SHA-256: bf43a8d5d6d0e983ae5647ed2f91434ee39ee380a8d787a26b596fb6e2042a1e
font_01_sfnt_off00030d84.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30D84 11996 bytes
SHA-256: da44bb9250028848b60550fdf78ef66859d4f2c71a79e805423b83eb037c5dc5
font_02_sfnt_off000334a6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x334A6 16092 bytes
SHA-256: e9fe716c2abc985b12a899a49d5539e4e8be1b56d50c083b30290d85a2a7c848

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