Malicious PDF — malware analysis report

Static analysis result for SHA-256 96e719daf5edb5d6…

MALICIOUS

PDF

79.6 KB Created: 2021-05-17 08:42:09 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: ef7c85d86d7a4a9c5fc78683d861e5c5 SHA-1: 2b56b7a0ed9e20ec95ac647d1e60a3aa232db1f0 SHA-256: 96e719daf5edb5d6fc2cd39479532409a726446b9376eaf91961e6562d2416b9
126 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9993

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
    Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://botokaw.ru/strik?utm_term=baby+girl+names+2020+unique+with+meaning PDF link annotation
    • http://zufepatajuju.22web.org/74468441782.pdfIn PDF document text
    • http://momentshop.space/7124512125dq86b.pdfIn PDF document text
    • http://bawoputameded.iblogger.org/bahubali_2_song_pagal._com.pdfIn PDF document text
    • http://usecabinets.xyz/setadkp36n.pdfIn PDF document text
    • http://nikaold.site/9795900200471s6d.pdfIn PDF document text
    • http://vinograd.io/pivizaxojepopakemuperajeg4li5o.pdfIn PDF document text
    • http://gbo.guru/guzuxexonowbta0.pdfIn PDF document text
    • http://filemarker.store/7600209743nb6y7.pdfIn PDF document text
    • http://epipog.com/mobogenie_pc_2018whtkv.pdfIn PDF document text
    • http://devgm.design/40683095092gd3a2.pdfIn PDF document text
    • http://arm-watch1.club/mamonugikifanumovlizs1.pdfIn PDF document text
    • http://sochi2026.com/hampton_bay_ceiling_fan_replacement_glassbk5g3.pdfIn PDF document text
    • http://lovelyhouse.online/unicode_converter_freezwrr4.pdfIn PDF document text
    • http://20970907.net/how_do_you_do_a_hard_return_in_indesignjjcwq.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fokarot.epizy.com/500_essential_words_for_ielts.pdfIn PDF document text
    • https://12c9c681-cafc-4f88-93da-cb6f471fd49a.filesusr.com/ugd/f09a9d_7f9d3c58cbc449bfb036b2bed767af72.pdf?index=trueIn PDF document text
    • http://povumuvepu.epizy.com/35903092240.pdfIn PDF document text
    • http://vomotoboxavixot.epizy.com/wibamobe.pdfIn PDF document text
    • https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_f0d6b20134ce4d298a29fb4c7c7c3235.pdf?index=trueIn PDF document text
    • https://f0198b83-f3fe-41b4-8315-bacd7eabb238.filesusr.com/ugd/2b3f46_1360f981c5ce4da4a273ac9915fae89f.pdf?index=trueIn PDF document text
    • http://sasofinifujilo.epizy.com/fender_super_champ_x2_head_tubes.pdfIn PDF document text
    • http://sevuvev.epizy.com/jipusodi.pdfIn PDF document text
    • http://gajivibuk.rf.gd/26053624502.pdfIn PDF document text
    • http://dipijiz.epizy.com/addition_coloring_worksheets_for_kindergarten.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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f5df.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF5DF 5880 bytes
SHA-256: 9e561b384f7cb658a6b5413cd4e725a49ebe606d499c0c2549a4bfe0d751ca06
font_01_sfnt_off000109d3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109D3 11532 bytes
SHA-256: a3ae495707697d8db250f265d65a911d122852abd03175688c534eddff4285dd

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