Malicious PDF — malware analysis report

Static analysis result for SHA-256 f3a93e8b9c701d90…

MALICIOUS

PDF

84.9 KB Created: 2021-03-30 02:32:03 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 3824ab8790e13d038a3e849ccd387490 SHA-1: 5669380487ab7959a8b4b7eb14b5002ce38c53c2 SHA-256: f3a93e8b9c701d904d98a15c7d13f4709627ffb7343de4b4d77ce5ddac79ce4b
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 0.9991

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=mouse+toggle+for+android+tv+apk+free PDF link annotation
    • https://cdn.sqhk.co/sodelaranu/gghahe6/love_rosie_full_movie_download.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4413235/normal_6061139581fe1.pdfIn PDF document text
    • https://cdn.sqhk.co/nukusigemug/jipQrC7/86230194109.pdfIn PDF document text
    • https://cdn.sqhk.co/bipujawojeli/jc8hbTE/sesuxutusisadogosuxi.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4458827/normal_600553e8f18bd.pdfIn PDF document text
    • https://cdn.sqhk.co/xugikokazo/cvgeaKL/pajuvogupinowamitipikaved.pdfIn PDF document text
    • https://cdn.sqhk.co/zowegifivufo/figQgei/mefobafepar.pdfIn PDF document text
    • https://cdn.sqhk.co/nuzitomizaj/icibjew/hangman_with_hints_online.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4482399/normal_5ffd4ac199202.pdfIn PDF document text
    • https://cdn.sqhk.co/puwipaneke/c1Eifha/zixakogus.pdfIn PDF document text
    • https://cdn.sqhk.co/nugopanage/hcghKrK/bagidifeti.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4385614/normal_6009330fdaf82.pdfIn PDF document text
    • https://cdn.sqhk.co/wedifedaguju/cjhgege/sawad.pdfIn PDF document text
    • https://cdn.sqhk.co/pozedezupase/sjjgimD/atomos_ninja_blade_firmware.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4495251/normal_60602b3faa77e.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://uploads.strikinglycdn.com/files/663e39cd-4984-4b25-8842-569476a3e0b9/setepipipev.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4b475dd1-670c-4148-8998-65e003d220ff/troy_bilt_tractor_for_sale.pdfIn PDF document text
    • http://xigoxusokumebu.rf.gd/63642155080.pdfIn PDF document text
    • https://s3.amazonaws.com/vojapu/africa_competitiveness_report_2019.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/bc6cc06d-c2e4-4363-afd1-866a59941bef/hp_1606dn_airprint_setup.pdfIn PDF document text
    • https://s3.amazonaws.com/rejiner/76977347211.pdfIn PDF document text
    • https://s3.amazonaws.com/bidemewufa/all_india_difficult_airway_guidelines_2016.pdfIn PDF document text
    • http://falepafi.epizy.com/kilurabedozizitevu.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_off0000ff1d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF1D 5220 bytes
SHA-256: 7cbd0b91daf29e28fc417f096a9d272d557fea3e1e5c19c34c4464305f3505bf
font_01_sfnt_off000110ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x110FF 11256 bytes
SHA-256: 03d8f20b9eea894b3bc9d5f6d4ba20e6867f0cc31a8789f6312ab5d7f037dc0c
font_02_sfnt_off00013769.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13769 4324 bytes
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e

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