Malicious PDF — malware analysis report

Static analysis result for SHA-256 d8e975ace0c34f6b…

MALICIOUS

PDF

76.3 KB Created: 2021-02-25 07:18:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: d02a6e7ba408dc79c93acef9ca158a24 SHA-1: 94f6034b48e9f7d5209400fbf9f814924cddbb71 SHA-256: d8e975ace0c34f6ba37ad032c16e7a2df25a98180f2a49d00ac713dfa25ad83e
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URL that directs users to a website disguised as a search result for '101 soccer unblocked games', likely a lure for phishing or malware delivery. No scripts were extracted, but the presence of external URIs and the overall detection suggest a phishing or trojan distribution attempt.

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://maypoin.ru/wix?keyword=101+soccer+unblocked+games PDF link annotation
    • https://tizitumobupo.weebly.com/uploads/1/3/4/9/134904485/f6c2646a.pdfIn PDF document text
    • http://fekevopimibun.sportsontheweb.net/timothy_keller_galatians_for_you_video.pdfIn PDF document text
    • https://cdn.sqhk.co/goxobuve/g4jna3j/cell_lab_evolution_sandbox.pdfIn PDF document text
    • https://wuvepadin.weebly.com/uploads/1/3/4/7/134714831/fesoz.pdfIn PDF document text
    • http://mufutekuson.getenjoyment.net/zejaki.pdfIn PDF document text
    • https://lulofaki.weebly.com/uploads/1/3/1/4/131453598/depepa-videro-wuxuriwijaz-wajedenivawemu.pdfIn PDF document text
    • https://cdn.sqhk.co/zosurinipin/AidhiYB/tonokubumupagib.pdfIn PDF document text
    • http://tipofeliluget.medianewsonline.com/can_you_track_priority_mail_international.pdfIn PDF document text
    • http://penageli.getenjoyment.net/foretinimuwejokajekiwe.pdfIn PDF document text
    • https://pedegafulip.weebly.com/uploads/1/3/0/9/130969407/e37b40a3704da4.pdfIn PDF document text
    • http://gepexoliv.medianewsonline.com/how_deep_is_lake_worth.pdfIn PDF document text
    • http://lumobumekola.getenjoyment.net/schlage_keyless_door_lock_change_battery.pdfIn PDF document text
    • http://pakirekugep.scienceontheweb.net/only_the_paranoid_survive_summary.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://jumepenitujox.atwebpages.com/sears_craftsman_garage_door_opener_battery_backup.pdfIn PDF document text
    • https://s3.amazonaws.com/jexijer/wibumedumulabenogax.pdfIn PDF document text
    • https://s3.amazonaws.com/kotodur/campton_extra_bold_free.pdfIn PDF document text
    • https://s3.amazonaws.com/pazatuv/testing_iphone_battery_performance.pdfIn PDF document text
    • https://s3.amazonaws.com/baxunaf/64401095017.pdfIn PDF document text
    • http://bigofuzov.epizy.com/ill_be_gone_in_the_dark_trailer_karen_kilgariff.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_off0000eeb8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEB8 5560 bytes
SHA-256: 32ae54603f7f0ba54b8bac5eb99d0b8141780d272666f03bf300b8e53f960b6c
font_01_sfnt_off0001018c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1018C 10240 bytes
SHA-256: 90339d1d486f0f82f389321920485735bbe1be6b6bbdd9849344a707d3219a1d

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