Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a2a83da3c421ee…

MALICIOUS

PDF

159.4 KB Created: 2020-12-27 01:44:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 6b346aa67346619099b26134573fbbb3 SHA-1: 8019f6ecabf947e25e29cd414adae80b713796d8 SHA-256: d2a2a83da3c421eea733db0f26d1690983c638eb5bf4f2fb8fc31ca6e0c422e8
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 0.9993

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://traffnew.ru/strik?utm_term=marlboro+ice+blast+price+singapore PDF link annotation
    • https://nawexolaka.weebly.com/uploads/1/3/4/7/134704757/9802391.pdfIn PDF document text
    • https://cdn.sqhk.co/vakanaju/wNje8c2/58200965512.pdfIn PDF document text
    • https://vutuwoti.weebly.com/uploads/1/3/4/7/134720014/bupafonedo_zilaxuxorijadop.pdfIn PDF document text
    • https://cdn.sqhk.co/sodovokak/DibggkZ/20887633829.pdfIn PDF document text
    • https://xopavomubikun.weebly.com/uploads/1/3/4/8/134879687/bevaxavaxerimi_fiwonefofite.pdfIn PDF document text
    • https://zukepuroxile.weebly.com/uploads/1/3/4/7/134746995/sifazab.pdfIn PDF document text
    • https://cdn.sqhk.co/barugogip/ggQVAii/marvel_realm_of_champions_gameplay.pdfIn PDF document text
    • https://fofelopuvamugav.weebly.com/uploads/1/3/4/7/134716477/midibomowexo_jufekepo.pdfIn PDF document text
    • https://sakukavazu.weebly.com/uploads/1/3/1/3/131379729/kifebim-lilaki-gabokijuvude-vapamoruvo.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/d219ca67-e233-41db-a004-6591096f3678/99680503241.pdfIn PDF document text
    • https://s3.amazonaws.com/bisegilupuf/56458016846.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/490d1ea2-e265-4dad-b588-aa3164f9f62a/68828250402.pdfIn PDF document text
    • https://s3.amazonaws.com/xoferuzu/endless_summer_book_2_choices_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/tokudapele/tevasuzajake.pdfIn PDF document text
    • https://s3.amazonaws.com/nijosinizo/sprint_change_of_ownership_form_online.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_off000218f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x218F5 5248 bytes
SHA-256: 04db80bd6badfe4595f4ab503315caab282db5c195ec27bd7fc45ef6e5816663
font_01_sfnt_off00022ae3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x22AE3 12504 bytes
SHA-256: dc3bf177b1488644fbdeb0ee951a3e507e70aa0ccbcf75694e79df5c0536f256
font_02_sfnt_off000255b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x255B7 17300 bytes
SHA-256: 108815b7714cf8783cbb4025695f248cadf0f168d6d6845ad0e96432b34db0b2

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