Malicious PDF — malware analysis report

Static analysis result for SHA-256 975d98f123a18b23…

MALICIOUS

PDF

82.0 KB Created: 2021-05-07 08:53:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 491914b4230a05b3bf6a7f4bdc3b1e69 SHA-1: 1963bc507625aaf11817f1bc95ccb7c306419d95 SHA-256: 975d98f123a18b23eb63cd412f8e4edf0de0572c13b393f14d88d96f22264d57
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 0.9996

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://seumenha.ru/strik?utm_term=new+video+games+christmas+2020 PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4414156/normal_6048a653aa6b4.pdfIn PDF document text
    • http://wotedogupowu.sportsontheweb.net/creo_parametric_5._0_advanced_tutorial.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4444356/normal_5ff5378f2e7af.pdfIn PDF document text
    • http://kyponnik.online/24162880440uil3o.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4414166/normal_5fd9c36c6ad47.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4423428/normal_5fec3deb47759.pdfIn PDF document text
    • http://unonatur.space/tajevivalujitazovawils3pof.pdfIn PDF document text
    • http://meetporte.xyz/6568979827lq0hw.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4484820/normal_606b7a28a5dea.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/029451e7-d056-416d-834a-9218fa8cb443/38918769607.pdfIn PDF document text
    • https://s3.amazonaws.com/bizamesuwepe/tazogupenive.pdfIn PDF document text
    • http://tuxabatadifu.onlinewebshop.net/saluwawetigudafus.pdfIn PDF document text
    • https://s3.amazonaws.com/limepusotanal/sodajukugufu.pdfIn PDF document text
    • http://radiviwix.onlinewebshop.net/arthashastra_in_telugu_download.pdfIn PDF document text
    • https://s3.amazonaws.com/kujapomib/39238384892.pdfIn PDF document text
    • http://kususen.myartsonline.com/helen_sword_stylish_academic_writing.pdfIn PDF document text
    • https://s3.amazonaws.com/filidabut/71561353938.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/024a0506-bb4a-4ff0-a5c5-3b0787d97701/tovifojuvivitejaniradovon.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ab80e5ab-ea86-4112-b035-e7445ed024a6/putikiwuko.pdfIn PDF document text
    • http://dotopaku.atwebpages.com/bekurerejuderoxix.pdfIn PDF document text
    • https://s3.amazonaws.com/zosevid/koxumov.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f561.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF561 5396 bytes
SHA-256: 2a38cf9fb769b1fafefc6d3873234793f58150df679e6ca5f9f014ba32eb6a75
font_01_sfnt_off000107da.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x107DA 10896 bytes
SHA-256: 5671c0a2c091e7101923242d95845d7e1f913361c4099714864ae83dd7792d47
font_02_sfnt_off00012cdc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12CDC 4324 bytes
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2

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