Malicious PDF — malware analysis report

Static analysis result for SHA-256 52780f0c65fcd4d7…

MALICIOUS

PDF

90.2 KB Created: 2020-12-09 22:46:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: f23e3cae20a934807ad672fb861eb124 SHA-1: 90bf04bed627b0176b8c02659d36de14de108736 SHA-256: 52780f0c65fcd4d72b4655113722ad182382212c13f05e75e8d66f37ab649030
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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://trafftec.ru/123?utm_term=animals+in+russian+folklore PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4378620/normal_5f8c38007e4d5.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/5330d022-0730-4425-b44d-2ddfe1dc1009/fifty_shades_of_grey_download_vidmate.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe1b40173fb5383b6a7bfc/1606294336365/continuously_continually_ne_demek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0a0be0db-b3bb-4265-89d4-4b8c5d6f8cd2/the_constitution_worksheet_answers_icivics.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1d9afb03-869e-4d75-9202-72b151d0b008/90128508864.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/11f42414-1b15-4019-8baa-a7ee25893ac3/vebizorogumodowatafovuna.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc77b03100abc42af3daada/t/5fcde3b91e1a4d7de14d630c/1607328698020/color_block_jacket_zaful.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a0e5de16-648a-4de7-a45e-34f445e80b04/el_internado_1x02_dailymotion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee08f0ed-93cf-412f-91b5-e65a6e478046/3880909957.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/d9edf8ca-260e-4a50-ac7c-2b394e89bcbb/93569695944.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc597938139af0376650267/t/5fc90f2ae043b310de36ad23/1607012141283/learn_spanish_300_spanish_phrases_for_beginners.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc066bd9955c744b5390948/t/5fc189d33c6ccf69f39841e3/1606519252190/wemozaf.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0cbc7c6d964583621a279/t/5fc1309b08845d0924b57095/1606496412285/how_to_read_camel_snus_expiration_date.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc7851bc89b935f15e29773/t/5fcd3902f94b6402b2259435/1607284996194/merge_gun_3d.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 2

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_off000126d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x126D5 4964 bytes
SHA-256: 02abd52ab8822f0599c82c625f14ecefb866140aa8a40ef97f100d373bd95f75
font_01_sfnt_off0001379e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1379E 10680 bytes
SHA-256: 33812d2c2a0b59fc784f75f9426563881d945c25f424c25abb0584ce75af2472

Open this report in the interactive analyzer, or submit your own file for analysis.