Malicious PDF — malware analysis report

Static analysis result for SHA-256 89b20c12e7e70764…

MALICIOUS

PDF

68.9 KB Created: 2021-02-14 03:56:11 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: e20fb0881257e1eb4fbc4e0ae194d3b9 SHA-1: 150c144bab0fcc583bf5093cb68d43115e0bc58a SHA-256: 89b20c12e7e707643c09e370bb2b9f323e1ce4761305e3cfcefdd5acbe0ac589
96 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 embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://leonvi.ru/wix?keyword=whats+going+on+in+this+graph+may+8+2018 PDF link annotation
    • http://bakigamokesu.22web.org/giffgaff_sim_swap_guide.pdfIn PDF document text
    • http://cartest.pro/stick_lacrosse_skills3o1un.pdfIn PDF document text
    • http://e-devletturkiyeaidatsistemimgovtr.com/38470643992u4q5m.pdfIn PDF document text
    • http://pedron.fun/dezixakidobuzozuluza9eh6q.pdfIn PDF document text
    • http://salea.site/monster_hunter_world_review_youtubeiqwsm.pdfIn PDF document text
    • http://devicesprotectionforusers.site/xavolokemibabvcmwt.pdfIn PDF document text
    • http://vebenuzan.22web.org/wilelusekizufadefuk.pdfIn PDF document text
    • https://cdn.sqhk.co/gorigaserata/xgfHjdE/64717049373.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/lowebemuwojiso/97014615605.pdfIn PDF document text
    • http://tuzugewidided.rf.gd/77154437081.pdfIn PDF document text
    • https://s3.amazonaws.com/suximawo/17978189280.pdfIn PDF document text
    • https://s3.amazonaws.com/vudivuzakal/michelin_guide_restaurants_melbourne.pdfIn PDF document text
    • https://s3.amazonaws.com/mejifavo/66949418173.pdfIn PDF document text
    • http://kesugoda.rf.gd/noxaduroxasonuxule.pdfIn PDF document text
    • http://gipanigiwulaj.epizy.com/61319413722.pdfIn PDF document text
    • https://s3.amazonaws.com/sowirutelevolur/xopikowewev.pdfIn PDF document text
    • http://wuduzukatej.epizy.com/41967343972.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_off0000d03d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD03D 5836 bytes
SHA-256: 801653e011bef2038e79ba0d694b21333582e93829aa08fa174565aff8efbcef
font_01_sfnt_off0000e408.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE408 10080 bytes
SHA-256: f9e76419d4bdd8c5122daaa9bef54f834efa7084b3856adfdf97704dc81549c2

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