Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe50c13d92f403ea…

MALICIOUS

PDF

70.0 KB Created: 2021-02-23 03:25:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c60eac1754878ab587f1e94706ab77fc SHA-1: 481535758f09dec115f0fabc9d09c6c20d084e1e SHA-256: fe50c13d92f403eaf0abc585b073b2865954fc1a2ed840ff76172d637109d91e
104 Risk Score

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 presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://jottigo.ru/123?utm_term=what+is+the+order+of+operations+in+google+sheets PDF link annotation
    • http://fb-copyright-help-from.com/9689898545uhi9z.pdfIn PDF document text
    • https://cdn.sqhk.co/potonefamuve/OBiaUgg/jasabura.pdfIn PDF document text
    • http://matteset-spon.space/39616997751mhfzw.pdfIn PDF document text
    • https://cdn.sqhk.co/zanemulazif/gejcZvF/38818965705.pdfIn PDF document text
    • http://getallcreditscores.info/maths_syllabus_for_upscdqakk.pdfIn PDF document text
    • http://universal-kirov.ru/tujudokujarotifatolgll0u.pdfIn PDF document text
    • https://cdn.sqhk.co/kelopifagisu/ghaCAvZ/61633622759.pdfIn PDF document text
    • http://hr-insider.com/1531293003997vhq.pdfIn PDF document text
    • https://cdn.sqhk.co/jisaside/cjhdeif/age_of_civilization_2_guide_tips.pdfIn PDF document text
    • http://cosmicgig.com/jaguxomosifurabx465.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/gewuwasi/48364374418.pdfIn PDF document text
    • https://s3.amazonaws.com/petikamov/43386235912.pdfIn PDF document text
    • https://s3.amazonaws.com/waxapoz/free_chunky_wool_baby_blanket_pattern.pdfIn PDF document text
    • https://s3.amazonaws.com/novifamigot/washington_state_fisheries_creel_reports.pdfIn PDF document text
    • https://s3.amazonaws.com/wazorixekunafob/lg_g_pad_8.0_wont_turn_on_or_charge.pdfIn PDF document text
    • https://s3.amazonaws.com/mokuwanibof/13346615221.pdfIn PDF document text
    • https://s3.amazonaws.com/fasomusogapovi/polizilarorefotezigidi.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

Related samples 5

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_off0000d381.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD381 5316 bytes
SHA-256: bc6157b6820cf660d827f64d1db9725fdc9cd0bb59de367b142e7f00e7e391b7
font_01_sfnt_off0000e59f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE59F 10844 bytes
SHA-256: 159eee6ec29cb29af485fa0b33b91e6e17b427327643dba330c43b57a74eea92

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