Malicious PDF — malware analysis report

Static analysis result for SHA-256 d1a645b634829531…

MALICIOUS

PDF

85.4 KB Created: 2021-02-27 11:04:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 4aaeb681ea7d75649e0eda3cd46136cc SHA-1: 2ad390f1564b7df5b8b46ad9337a83f9562d2a8e SHA-256: d1a645b63482953142b10fc29bd28243b2bf3ee00871c6ed57ea4d42ced72335
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 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xajibur.ru/123?utm_term=como+hacer+una+foto+tama%25C3%25B1o+carnet+con+el+movil PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4492892/normal_5ff1380945dea.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379359/normal_5fdc3c6af3603.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4411917/normal_6024936690837.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4365576/normal_5ffa91bdc3f11.pdfIn PDF document text
    • http://fowatufilomit.iblogger.org/broadsheet_newspaper_melbourne.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470980/normal_5fc9d9d76c372.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4487409/normal_5fcca37c5be7a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452587/normal_601e0fbf3d3b2.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4371799/normal_5fd0d5a24a640.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4499317/normal_5fe413bd7d2ce.pdfIn PDF document text
    • http://niburufajanuto.sportsontheweb.net/the_relationship_cure_summary_chapter_1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459917/normal_6002ffef344b2.pdfIn PDF document text
    • http://pidawudimo.scienceontheweb.net/kizixesap.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388060/normal_6023641b8dc58.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://s3.amazonaws.com/resisuna/46379317759.pdfIn PDF document text
    • http://balazetesu.epizy.com/couper_un_fichier_mac.pdfIn PDF document text
    • http://fadakivok.rf.gd/kuan_yin_oracle_guidebook.pdfIn PDF document text
    • http://tiluxusimutine.atwebpages.com/83238375998.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_off0000fe8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFE8A 5120 bytes
SHA-256: 22b95dce58afba35d9ba69e84c89354c80950db3f9857d375e702ff27743f843
font_01_sfnt_off00010f90.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10F90 12360 bytes
SHA-256: 98573cd415b4d253d717982e64c601ecd5dc7839f9646a797278d98e715e71b3
font_02_sfnt_off00013748.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13748 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

Open this report in the interactive analyzer, or submit your own file for analysis.