Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e7325003589e8b9…

MALICIOUS

PDF

103.1 KB Created: 2021-01-24 12:46:15 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-07
MD5: 8763bc835da65ac8abbb35edee94a340 SHA-1: 04999fee99c1bf89d18cef18e0d810b5d7094d97 SHA-256: 6e7325003589e8b9239139f826edcee26ece5dd6347d43d3c15c296dc83ee486
104 Risk Score

Malware Insights

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

The PDF document contains embedded URLs, with one prominent URL associated with a fake 'Argentina tourist visa application form' lure. Heuristics indicate this is a phishing attempt, and ClamAV detection confirms it is malicious. The ML classifier also flagged it with high confidence. No scripts were extracted, but the presence of a malicious URL suggests it's intended to redirect the user to a harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Fake invoice / payment lure low SE_INVOICE_LURE
    Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
  • 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/aws?utm_term=argentina+tourist+visa+application+form PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4451365/normal_5fcdc862206fc.pdfIn PDF document text
    • http://jakartapro.xyz/jomalijalesovc411.pdfIn PDF document text
    • https://cdn.sqhk.co/wazafanez/sX6ZigB/easy_vanilla_mug_cake_recipe_no_egg.pdfIn PDF document text
    • https://cdn.sqhk.co/vulovosovem/sjjqPja/free_gems_coc_in_2_minutes.pdfIn PDF document text
    • http://marketeuro.pro/wekafagalugakirudebafot5d4es.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4492240/normal_6002bdad11ad9.pdfIn PDF document text
    • http://buyfastedcircle.xyz/76569105894miwih.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/diwitapezu/gelato_33_grow_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/xipavir/49940545811.pdfIn PDF document text
    • http://mimojududike.epizy.com/vukivubokoweza.pdfIn PDF document text
    • https://s3.amazonaws.com/sugosubexez/tifimalukemakisalejanej.pdfIn PDF document text
    • http://rubaporejolo.rf.gd/6839909849.pdfIn PDF document text
    • https://s3.amazonaws.com/palikuvexake/yung_1_fit_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/gapivegek/41096481744.pdfIn PDF document text
    • https://s3.amazonaws.com/fazujo/florida_shooting_news_report.pdfIn PDF document text
    • https://s3.amazonaws.com/dazifozixawus/88327736486.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_off000156b6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x156B6 5384 bytes
SHA-256: 8211c48ac02cdfaab23b97ff57db3aa13b50d084f6dea9bd503699cb83ac7e72
font_01_sfnt_off00016903.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x16903 11268 bytes
SHA-256: 8f7d44d2a4bbd528e50a0f40328b5a34b4249242bf19c39a1d1a28c0983cdc16

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