Malicious PDF — malware analysis report

Static analysis result for SHA-256 d671047a92a1239c…

MALICIOUS

PDF

88.5 KB Created: 2021-02-21 03:08:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 2c2bc1fa77dcba3a96952c076c68939d SHA-1: 91b51cee296b7f87df29994dfed05da469e28974 SHA-256: d671047a92a1239cc9eaad23dab35842d71f2a19aa365ebac190b95e86bb07a5
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 0.9996

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://seumenha.ru/strik?utm_term=what+is+the+book+i+am+the+messenger+about PDF link annotation
    • http://alcexpress1.xyz/taylormade_r15_driver_specs4v7ew.pdfIn PDF document text
    • http://kismykeitio.best/catheter_care_guidelines_for_carersvu4fs.pdfIn PDF document text
    • http://sesuwepo.22web.org/52252674349.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4375209/normal_5fc717e150b23.pdfIn PDF document text
    • http://sallles.ru/basic_automobile_engineering_notes0h4tu.pdfIn PDF document text
    • http://bimufufedo.22web.org/nhs_scotland_birth_plan_template.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pexevogawi.epizy.com/tadarebimezu.pdfIn PDF document text
    • https://s3.amazonaws.com/napoledunadigo/51796742538.pdfIn PDF document text
    • http://mobisojew.epizy.com/18210872853.pdfIn PDF document text
    • https://s3.amazonaws.com/zidenigad/schematic_report_structure.pdfIn PDF document text
    • https://s3.amazonaws.com/zoxewudunigus/android_9._0_huawei_features.pdfIn PDF document text
    • https://s3.amazonaws.com/sepawi/flip_book_creator_software_free.pdfIn PDF document text
    • https://s3.amazonaws.com/juduk/file_manager_app_android.pdfIn PDF document text
    • https://s3.amazonaws.com/daxemo/4988226934.pdfIn PDF document text
    • http://mewexudidis.epizy.com/aadat_song_video_hdyaar.pdfIn PDF document text
    • https://s3.amazonaws.com/tofizo/marvel_super_war_ios_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/remuv/m8_android_tv_box_remote_control_app.pdfIn PDF document text
    • https://s3.amazonaws.com/bejokazemur/disaster_contingency_plan_template.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f7f3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF7F3 4808 bytes
SHA-256: 4e510668783601429d87116195fcb0d28321430acef756594a08320325e13c72
font_01_sfnt_off000108b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x108B5 5284 bytes
SHA-256: 3c1ec2c35533e559c63ff9fca5ce3f32e64d07599426b4000bddd4c6107e6b09
font_02_sfnt_off00011a93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11A93 10592 bytes
SHA-256: 4454e917d6c7bdfb0873871c075fc9e503183920548ad0743794adecae1f4221
font_03_sfnt_off00013f0b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13F0B 16168 bytes
SHA-256: bcfecb9fde4b74e4a2b692e15caf305b2988a1cfe4c6386614002e38d35feb86

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