Malicious PDF — malware analysis report

Static analysis result for SHA-256 abd719779490dc23…

MALICIOUS

PDF

79.1 KB Created: 2021-04-30 19:39:54 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: baf15512b15e18a35c5ec903e766819e SHA-1: 96b58e647325e4fca1052f0d3fa8f41f708115be SHA-256: abd719779490dc2321726f61ac75c96a1510651ef99ce9ddbd2bfc6a621ff0e3
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 0.9993

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://xezojetit.ru/strik?utm_term=human+anatomy+and+physiology+10th+edition+powerpoint PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4412170/normal_60153fe36ec9f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4375358/normal_6056b34dd040e.pdfIn PDF document text
    • https://xexewevifiwewol.weebly.com/uploads/1/3/6/0/136054804/kesamesuwisevali.pdfIn PDF document text
    • https://turujidimubexu.weebly.com/uploads/1/3/4/7/134766340/bagojiliwu.pdfIn PDF document text
    • https://zafojepomekosax.weebly.com/uploads/1/3/4/3/134352399/80ba801c2.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4366035/normal_5fccfd76c56f2.pdfIn PDF document text
    • http://dikagowoxi.sportsontheweb.net/sinezuji.pdfIn PDF document text
    • https://xoxekoxezugox.weebly.com/uploads/1/3/0/7/130738790/tarefutevopux_vuwit.pdfIn PDF document text
    • http://palaxofivuleduj.medianewsonline.com/astrology_for_beginners.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485826/normal_5fc66af790f41.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4424985/normal_5fd138e6345b8.pdfIn PDF document text
    • http://bexixibeguben.sportsontheweb.net/fogumoketa.pdfIn PDF document text
    • http://duwinijuj.mypressonline.com/78908982467.pdfIn PDF document text
    • https://xananitape.weebly.com/uploads/1/3/4/0/134095977/neveg.pdfIn PDF document text
    • https://gofegupozomo.weebly.com/uploads/1/3/4/4/134479888/32805bd91b745.pdfIn PDF document text
    • https://potelukizul.weebly.com/uploads/1/3/5/9/135961045/d57510e6a52b.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/gadumagabusodel/shadowing_japanese.pdfIn PDF document text
    • https://s3.amazonaws.com/rexogeguxosix/95702532829.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/905c4fd4-bab9-459b-b646-393aa6acf0da/best_online_fingerpicking_guitar_lessons.pdfIn PDF document text
    • https://s3.amazonaws.com/sabobenuwe/action_vrit_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/perurulexi/bogigevokadedebotaf.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52124298-c2c5-4d56-a541-0ae7edd6dc82/pegorep.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/0377aabd-42bd-4df2-b6d0-38e4d39c209e/the_shock_doctrine_the_rise_of_disaster_capitalism_by_naomi_klein.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/096c7024-eb10-4f17-8812-3f2cd5c6baf2/brandon_bernard_wikipedia_espaol.pdfIn PDF document text
    • https://s3.amazonaws.com/zerepuzuze/gasepowozeg.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_off0000f658.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF658 5720 bytes
SHA-256: b84cc118ca63cbe44b8441c17e7a9efc107c7d4c16dfb9162dc9dfaa808403fd
font_01_sfnt_off000109bf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x109BF 10808 bytes
SHA-256: eb079535945c4ce6a3b0fcdc7d4c6416c93ce237cf4a871d4b10f82240aca3ac

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