Malicious PDF — malware analysis report

Static analysis result for SHA-256 93a1d0df6332445a…

MALICIOUS

PDF

78.2 KB Created: 2021-02-20 22:43:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c9c75909c50ed03283472d0c3da5d751 SHA-1: a82b6058ea115c97376569425065b2ebfc3de41e SHA-256: 93a1d0df6332445a8b42ccc876c8411b695f495b87efb5a2785e8dea6c2ec438
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 0.9997

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://maypoin.ru/wix?keyword=generac+ix2000+service+manual PDF link annotation
    • https://dakewamegiru.weebly.com/uploads/1/3/5/3/135305658/virotutagofo_migifipiwidilu_rofurufuke_vudawurupir.pdfIn PDF document text
    • https://fanonobumoxevo.weebly.com/uploads/1/3/1/3/131384335/nofeze.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4406514/normal_5ffe71b9298e2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4374976/normal_5fe453e72cfb1.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4460045/normal_60251ea8a1e9c.pdfIn PDF document text
    • http://lalexejiwisejul.iblogger.org/cbse_board_re_exam_date_sheet_2018.pdfIn PDF document text
    • http://gomijojupi.iblogger.org/1._mention_the_current_trends_in_operations_management.pdfIn PDF document text
    • https://waxogisuges.weebly.com/uploads/1/3/0/7/130776632/wuzosimubuguma.pdfIn PDF document text
    • http://sukojas.22web.org/white_christmas_tree_with_blue_lights.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4530712/normal_5fc6daf3b8e3f.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4424672/normal_60051f13b93b8.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/lupuvogotog/netflix_app_windows_10_offline.pdfIn PDF document text
    • http://jajowisomipuw.epizy.com/what_are_the_examples_of_3_laws_of_motion.pdfIn PDF document text
    • https://s3.amazonaws.com/lorugipopuxe/43741667404.pdfIn PDF document text
    • https://s3.amazonaws.com/zurovajij/bsc_math_calculus_notes.pdfIn PDF document text
    • https://s3.amazonaws.com/diwitapezu/lurituduzigu.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_off0000f3fa.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF3FA 5380 bytes
SHA-256: 6d4e3575528478a8e08aac3da4ce0f164168b6bc93552843fe483cec561be328
font_01_sfnt_off00010633.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10633 11084 bytes
SHA-256: b8a20817463253e9b21a8e53853a335141aaf57728bdde59f68bdcf69b10fbd9

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