Malicious PDF — malware analysis report

Static analysis result for SHA-256 026d82da9d1de106…

MALICIOUS

PDF

79.5 KB Created: 2021-02-21 13:18:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 28e329483ed6f296958527199984c194 SHA-1: 3584e663e1057a99d8137f56b1abb3bf560ada2a SHA-256: 026d82da9d1de1064c29f7114947af4a18c32d65415e7f4db5c849a85e0dee88
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-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/wix?keyword=news+broadcast+script PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4421215/normal_5ff5f253b2259.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4480904/normal_600017dc8a552.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4446155/normal_5fdc355432c50.pdfIn PDF document text
    • http://s7hmus.org/chloroform_solvent_nmr_peakd8cs9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4485322/normal_601c69d8ee4d7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464700/normal_5fc955b11176e.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4370746/normal_6016c2c7b896f.pdfIn PDF document text
    • https://xijafidul.weebly.com/uploads/1/3/2/3/132303061/4004432.pdfIn PDF document text
    • http://luminar2-download.xyz/poginunoditukogetofowolokaxvar.pdfIn PDF document text
    • http://smcjd.com/dell_inspiron_6400_battery_not_charging6m2ty.pdfIn PDF document text
    • http://lovechat24.club/77887090514olde3.pdfIn PDF document text
    • https://kifirazet.weebly.com/uploads/1/3/4/7/134715796/8847729.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4378619/normal_5ff941c8eddd7.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481988/normal_5fe2616654538.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389586/normal_5fe655c5008c2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4466146/normal_60247e4ec7d32.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4448545/normal_6026246e71afb.pdfIn PDF document text
    • https://wirorovikematu.weebly.com/uploads/1/3/1/0/131071137/gipewafa.pdfIn PDF document text
    • https://kaginugopaz.weebly.com/uploads/1/3/4/3/134310825/4810732.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/dinigugaxej/pokemon_switch_eevee_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/xufaxoferugod/21619145873.pdfIn PDF document text
    • https://s3.amazonaws.com/fexuror/jimamalam.pdfIn PDF document text
    • https://s3.amazonaws.com/fuwenoxuzasila/gebutebotu.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_off0000fbdd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFBDD 5236 bytes
SHA-256: f2a29869579fc71ae11102e9e3652518b177ee5a38f417b60e2eaf065b31e0dd
font_01_sfnt_off00010dc9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DC9 10196 bytes
SHA-256: ea3b94c8a1c59feb4893fe5fbbc993706b8ffefa9e134c1b454c68ee60c752c3

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