Malicious PDF — malware analysis report

Static analysis result for SHA-256 207d54dc0ee12418…

MALICIOUS

PDF

79.6 KB Created: 2021-03-14 16:55:33 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-25
MD5: aae132341e1101532cc368e139232dec SHA-1: d41790a5494439315ac68e269219e9cef0799f02 SHA-256: 207d54dc0ee124186782376cd794b3dcc78e8e9f1e6a79e6a6d4d76d710494dd
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 0.9997

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/123?utm_term=target+sheets+king+bed PDF link annotation
    • http://shtangennstutkupitseychas.xyz/tagogawuraxiwukepf8hq5.pdfIn PDF document text
    • http://voztrans.ru/maytag_3000_washer_error_code_f20s5koz.pdfIn PDF document text
    • http://profit-makers.club/28953967893sdvei.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4450158/normal_600251eb3d06b.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4392656/normal_5fccda0134c42.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455658/normal_6039217caf330.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4365553/normal_601ce4451e7e9.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4486213/normal_60252825c3a85.pdfIn PDF document text
    • http://normab-id.com/693231825349v4gh.pdfIn PDF document text
    • http://kosadezisadin.22web.org/factory_reset_android_samsung_duos.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369305/normal_5fd7c4710fbbc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4401517/normal_60255554e4202.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/voxulija/employment_contract_template_word_format.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/db8c2b65-d805-4988-afa1-8a1b08503e24/75727236897.pdfIn PDF document text
    • https://s3.amazonaws.com/patilawasu/punonarokudu.pdfIn PDF document text
    • https://s3.amazonaws.com/vuforewebub/maplestory_come_find_me_cheat_sheet.pdfIn PDF document text
    • https://s3.amazonaws.com/najipavez/infectious_disease_society_of_america_idsa_guidelines.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ecce2f2a-a619-4f0c-a7ea-3b2cdfe33ce2/paderidagawavovik.pdfIn PDF document text
    • http://kalilom.epizy.com/images_of_bed_bugs_on_sheets.pdfIn PDF document text
    • https://s3.amazonaws.com/rimejiguvif/phool_bane_angaar_movie_mithun.pdfIn PDF document text
    • http://pinezininefos.epizy.com/celsius_vs_fahrenheit_worksheet.pdfIn PDF document text
    • http://nodefojabotozij.rf.gd/76511885141.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_off0000f770.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF770 5208 bytes
SHA-256: 1a7354d363c43eab63a846acdaaab1fbb3bc537ee2aa757d2a807ff51fd0a0d0
font_01_sfnt_off0001091a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1091A 11376 bytes
SHA-256: 1e81cd542d6db42ad652e66698f77d81c3b5b4e7c8474275508badccc336fbf3

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