Malicious PDF — malware analysis report

Static analysis result for SHA-256 b1250f29d597894d…

MALICIOUS

PDF

71.0 KB Created: 2021-05-13 08:33:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 5735d34d47c58896e96840f8269e41ef SHA-1: 507cce36b1d26b9ddb7fd6c712fe3442601a9e1c SHA-256: b1250f29d597894da3460dac8940fef75037925e618ffabf780e9d31006b8c05
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://gimoguvi.ru/strik?utm_term=avid+c24+back+panel PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4422386/normal_5fee9a3fe7de1.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4465709/normal_5fcc541020f10.pdfIn PDF document text
    • https://cdn.sqhk.co/moserusoba/jejbUgh/24396093049.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4414353/normal_5ffa71b763b9a.pdfIn PDF document text
    • https://cdn.sqhk.co/letarezetap/gchdjaG/lolegafofapolad.pdfIn PDF document text
    • http://ritejofebawefu.22web.org/ejercicios_para_aprender_ingles_para_nios.pdfIn PDF document text
    • https://cdn.sqhk.co/ruvonusebex/Hibhhhg/the_shadow_sun_revdl.pdfIn PDF document text
    • https://cdn.sqhk.co/fomeluxilim/gheejc7/nails_2000_westborough_prices.pdfIn PDF document text
    • https://cdn.sqhk.co/temududote/a9gegfx/t_i_zarchiver_ios.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4411935/normal_5fcdc4773091d.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4529977/normal_60128da88981d.pdfIn PDF document text
    • http://xudogiborijum.66ghz.com/sawiv.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_ab3fc887e2ad4978b20b3a5e2e23379d.pdf?index=trueIn PDF document text
    • https://c3438639-6a75-4920-aa4f-d1e0b619354f.filesusr.com/ugd/3be3a7_f555352280474f089ece1038ce9f5247.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6ee9579-943d-4002-b2e5-48ca25cb433b/52474003640.pdfIn PDF document text
    • https://s3.amazonaws.com/kavugusepe/23329096198.pdfIn PDF document text
    • http://matunojusorim.epizy.com/restaurants_cahors_guide_michelin.pdfIn PDF document text
    • https://107a3552-ed21-4f5d-95e3-510b6eae4444.filesusr.com/ugd/21bbef_2d0096900cab42f486e71ce967571f77.pdf?index=trueIn PDF document text
    • https://s3.amazonaws.com/rejiner/onan_microlite_4000_troubleshooting.pdfIn PDF document text
    • https://2aa0b900-127f-4603-a19a-6a731d3c9eb1.filesusr.com/ugd/5eaffa_7074d4cb499742f3b63f013fdab6fbf4.pdf?index=trueIn PDF document text
    • https://uploads.strikinglycdn.com/files/5925bc9f-e8e9-4046-8f65-3d4ecaab8f7d/bokupojo.pdfIn PDF document text
    • https://s3.amazonaws.com/muvojugejoxip/beach_buggy_racing_hacked_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/mefovu/11753337986.pdfIn PDF document text
    • https://adc0bc6f-2b4d-4951-bce0-9128d215fa34.filesusr.com/ugd/5ea4d5_22b9ba8a550e464ebb023d11a2e52208.pdf?index=trueIn 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

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000d7f5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7F5 5268 bytes
SHA-256: b8339c9e619eade95203889ee2ff187dcab2aba423b795e347bbb2da0437c6ff
font_01_sfnt_off0000ea06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA06 10632 bytes
SHA-256: d5c07306490754075f6ef9ed4b6cd460b4add2784b9d85c49e000f640fdb4c60

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