Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe7e9eed81f27407…

MALICIOUS

PDF

83.8 KB Created: 2021-02-16 04:27:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-23
MD5: 7ff10abc7722eadad1ae81cd26d90be6 SHA-1: 70290c2448cdfb47ac7dd2e84446cfb2168602f2 SHA-256: fe7e9eed81f27407e126eb13bd0410e5e835e37da58fcf3542ac89ef51e10c6d
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that mimics a search result, likely intended to trick the user into visiting a malicious site. ClamAV and ML classifiers strongly indicate maliciousness. While no scripts were directly extracted, the PDF structure and embedded URI suggest a phishing or malware delivery attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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/wix?keyword=dissidia+opera+omnia+english+apk+update PDF link annotation
    • https://cdn.sqhk.co/kanemili/jf6ige0/supermarket_mania_journey_cheat_engine.pdfIn PDF document text
    • https://cdn.sqhk.co/wikaraxixi/diiaTq8/63701706938.pdfIn PDF document text
    • https://cdn.sqhk.co/fularulojoze/ezNidgj/calendar_2020_with_holidays_printable_free.pdfIn PDF document text
    • https://cdn.sqhk.co/jedugifaxido/aM0KBja/64012542751.pdfIn PDF document text
    • http://juxeribitu.iblogger.org/85515864293.pdfIn PDF document text
    • http://gavexini.22web.org/90926189015.pdfIn PDF document text
    • https://cdn.sqhk.co/fumazuri/iahhhga/8bit_mercy_real_name.pdfIn PDF document text
    • http://shopmzm.site/1746551869ft7iq.pdfIn PDF document text
    • https://cdn.sqhk.co/senepaderu/gfOiaZ2/rally_for_health_uhc_phone_number.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • http://jurelofi.epizy.com/47665170345.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/statistics_probability_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/fotepopunaj/venn_diagram_question_with_answer.pdfIn PDF document text
    • http://vexukaxazixaxet.epizy.com/jawusezemademokufe.pdfIn PDF document text
    • https://s3.amazonaws.com/gumagabu/harry_potter_movie_quiz_questions_and_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/fivebo/acuerdo_definicion.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
    • http://dejavu.sourceforge.netIn PDF document text
    • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

Extracted artifacts 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000db5a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDB5A 3504 bytes
SHA-256: 25eabe093d6350117e25c0adf79e672999f6ef07d1b39749049969508c37a246
font_01_sfnt_off0000e7ed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE7ED 5316 bytes
SHA-256: 9cb0d80ef4b6fd2ce7dd8df216beebca7407ba243af3600a0fda2a312df52964
font_02_sfnt_off0000f9d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF9D2 10448 bytes
SHA-256: d62ff552700059d3b8b1333f5dc777e52cb4f2ab617006142bc9beac1f3b6048
font_03_sfnt_off00011da7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11DA7 16248 bytes
SHA-256: cacce353daa52449aaa2dc03ff14e12d7f37b8e2e541d6bae97b449db5f5a003
font_04_sfnt_off000132f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x132F9 4324 bytes
SHA-256: d1f4a20f0e35a0564be54678b929bb8c711862c507f070c2b9a6abea8daf4378

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