Malicious PDF — malware analysis report

Static analysis result for SHA-256 5db295199aa62564…

MALICIOUS

PDF

71.8 KB Created: 2021-04-04 03:00:49 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 51b6fe198b7aa43491b78982c2dc7a24 SHA-1: b89d514239a03ead040c3c16ecef46704d3953fc SHA-256: 5db295199aa62564c8afa38d1a8a0e58416681db8053db1efe91293d69a2f908
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-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://lozipotod.ru/wix?keyword=jacksmith+unblocked+games+6969 PDF link annotation
    • http://pe50off.pro/navy_pt_uniform_regulations2wodu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4404105/normal_6025c3b34c623.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4470027/normal_5fc5a05b0733a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4421215/normal_60484fe6be123.pdfIn PDF document text
    • http://susitit.iblogger.org/35691199079.pdfIn PDF document text
    • http://creamwalls.space/what_are_static_dynamic_flat_and_round_charactershv7io.pdfIn PDF document text
    • http://todayshop.website/sarogunabivazegozuzufa04oh0.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4455902/normal_601f0e7ca95b9.pdfIn PDF document text
    • http://vamekujo.66ghz.com/bise_lahore_matric_result_2020.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/nigimul/bbc_news_at_six_reporters.pdfIn PDF document text
    • https://s3.amazonaws.com/wajibile/remstar_plus_m_series_parts.pdfIn PDF document text
    • https://s3.amazonaws.com/zemunomipazikez/how_do_you_use_a_cobra_microtalk_walkie_talkie.pdfIn PDF document text
    • http://pimurif.rf.gd/23146570354.pdfIn PDF document text
    • http://daroxupotebaliw.rf.gd/miwofudis.pdfIn PDF document text
    • https://s3.amazonaws.com/xirixepo/dafunozu.pdfIn PDF document text
    • https://s3.amazonaws.com/wifukedot/hp_laptop_adapter_repair_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/dozore/dabatolasogu.pdfIn PDF document text
    • https://s3.amazonaws.com/bagisi/ramuxalopamolirenobenoxe.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/9261088355.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_off0000ce11.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCE11 3368 bytes
SHA-256: af68e5b1f937c352b93499d49ead012793058d2d46d2f20f6aa811b6a9aa50ea
font_01_sfnt_off0000da2d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDA2D 5760 bytes
SHA-256: b9dcbf081c74fefabefba0c07400964c274f6c07a6ce446858f03ae13a59c7ad
font_02_sfnt_off0000ed9d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xED9D 10036 bytes
SHA-256: e2dc79855020a930edb6bf58e46f725e2f75c85893bbd2ae62fca0e6ab652ca2

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