Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e0afb7e759596f7…

MALICIOUS

PDF

92.9 KB Created: 2021-03-10 15:01:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-23
MD5: 526d1bc51cd63369447fa5d9781c8439 SHA-1: 9c35b746a1ec789f02c7165b064902c93523a937 SHA-256: 6e0afb7e759596f7a4fa36257000d4e2cee80ad29486da45946583ae938fef8b
96 Risk Score

Malware Insights

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

The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded URIs, with one prominent URL pointing to a suspicious domain, suggesting a phishing or credential harvesting attempt. No scripts were extracted, but the presence of embedded URLs and the overall detection strongly suggest a phishing lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://druttle.ru/123?utm_term=soil+aggregate+formation+and+stability PDF link annotation
    • https://cdn.sqhk.co/narulaloro/Ljaihjg/equalizer_pro_700_massager.pdfIn PDF document text
    • https://cdn.sqhk.co/zadoweferoxe/giijilc/nora_fatehi_song_pachtaoge_download.pdfIn PDF document text
    • http://tk-pobeda.site/vamesivqt6i.pdfIn PDF document text
    • http://arendaavto.taxi/garmin_55lmt_manualw2b7c.pdfIn PDF document text
    • http://consumer-data-protection-bureau.com/farberware_food_processor_how_to_useu7nzl.pdfIn PDF document text
    • https://mefevujeloz.weebly.com/uploads/1/3/4/3/134317202/ziwerav.pdfIn PDF document text
    • https://taxajefikudo.weebly.com/uploads/1/3/4/7/134765143/6844402.pdfIn PDF document text
    • https://cdn.sqhk.co/topazawu/fjJeVfd/nigapazuvarasarukax.pdfIn PDF document text
    • https://tuvopezape.weebly.com/uploads/1/3/4/7/134712323/7eabac5a.pdfIn PDF document text
    • http://creamspait.xyz/maths_symbols_and_their_names8k2zm.pdfIn PDF document text
    • http://tomesopinobiz.iblogger.org/thrse_raquin_movie_1979.pdfIn PDF document text
    • http://uabiomanix.xyz/2926347441870f44.pdfIn PDF document text
    • http://reduslim-italy.site/the_bent_rod_is_supported_at_a_b_andman6s.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/votawawo/variable_inlet_guide_vanes_gas_turbine.pdfIn PDF document text
    • http://dereduvate.epizy.com/sonata_pathetique_piano_sheet_music.pdfIn PDF document text
    • https://s3.amazonaws.com/tokatefozude/fnma_student_loans_guidelines.pdfIn PDF document text
    • https://s3.amazonaws.com/libusamagowuvo/sikinotugomofen.pdfIn PDF document text
    • https://s3.amazonaws.com/nilafafakem/kasibarezipujetamagej.pdfIn PDF document text
    • http://jezanijumoz.epizy.com/the_doctrine_of_discovery_1493.pdfIn PDF document text
    • http://zejagipusif.epizy.com/somid.pdfIn PDF document text
    • https://s3.amazonaws.com/mokamoba/zimejadogixomubibef.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_off0001243b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1243B 5572 bytes
SHA-256: 366b2c922bdbe7dfe278f4da0899ca09127ff07f04736360fc5931cf06fb7bb6
font_01_sfnt_off0001371a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1371A 13932 bytes
SHA-256: e0576055234fae761c5ef0cef5ce6dca108a73c10176b79d1d7013484c06b722

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