Malicious PDF — malware analysis report

Static analysis result for SHA-256 f07280c4ed0bdb66…

MALICIOUS

PDF

76.1 KB Created: 2021-03-14 23:25:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 649edace96f6ee755d66a65572f2095c SHA-1: 5670a50b8380a05652811661d8a2b9d5794d7c8b SHA-256: f07280c4ed0bdb667512082c12f2f435f1af9f7e4e24dc671a6b5523e1a06cb2
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://pelibifir.ru/strik?utm_term=fantastic+mr+fox+full+movie+free+123 PDF link annotation
    • http://nosilekexiwot.mywebcommunity.org/65888782955.pdfIn PDF document text
    • http://nokojatagi.mywebcommunity.org/49458414029.pdfIn PDF document text
    • http://winoxolupuvil.getenjoyment.net/what_are_two_examples_of_wastewater.pdfIn PDF document text
    • http://sesulig.22web.org/paxiwigowara.pdfIn PDF document text
    • http://wejowadizabudex.mypressonline.com/57558285374.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/galinikagopit/tabixobedofuwolivonu.pdfIn PDF document text
    • https://s3.amazonaws.com/luropiw/kogavitejeraviloxotado.pdfIn PDF document text
    • https://s3.amazonaws.com/zabejuvijolu/briggs_and_stratton_5hp_motor_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/vatosolikijike/vagusovop.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0e21cdf9-3c5a-4b94-91fb-4c8ba8059f69/27676857256.pdfIn PDF document text
    • https://s3.amazonaws.com/pisedij/43948251467.pdfIn PDF document text
    • https://s3.amazonaws.com/rizijubovapuk/savamuxa.pdfIn PDF document text
    • https://s3.amazonaws.com/tufitijinexu/79218240686.pdfIn PDF document text
    • http://xubawebilakode.rf.gd/12496808157.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a42a85b2-3c71-4164-918f-f173e46eda9a/how_to_display_json_data_from_api_in_react.pdfIn PDF document text
    • http://mokupemoraworal.epizy.com/90953938208.pdfIn PDF document text
    • http://jigisasamupor.onlinewebshop.net/9882709605.pdfIn PDF document text
    • http://xazopufegi.onlinewebshop.net/beneficence_in_research.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_off0000ea2b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA2B 5460 bytes
SHA-256: f429ec7b87b3231aa234c43b67f4768abb7e36683d7422c7efe430e5d9f8f6c9
font_01_sfnt_off0000fcb7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFCB7 11416 bytes
SHA-256: 0ea239a49fa8d68d22b42a8776e0f1f43a08b7fc1021afea1392336796131290

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