Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2ae8fb143409e2e…

MALICIOUS

PDF

81.4 KB Created: 2020-12-09 00:07:19 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-01
MD5: edb4f9aae1f4df6fe4a562f076e4be68 SHA-1: dbd99ebd3a1703428c7ce67193367a1142cabb33 SHA-256: d2ae8fb143409e2e3063928027cb2facabe6d724b969f0d7f22626d0bb3de99e
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 0.9992

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://traffine.ru/strik?utm_term=types+of+consonants+in+hindi PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4393499/normal_5fa56e38a33d5.pdfIn PDF document text
    • https://femobideja.weebly.com/uploads/1/3/4/7/134735935/3126804.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4388815/normal_5f94d04a64a85.pdfIn PDF document text
    • https://bidovakufizal.weebly.com/uploads/1/3/4/5/134586087/gimunewima-vajibinawululu.pdfIn PDF document text
    • https://wekexodaxax.weebly.com/uploads/1/3/4/7/134713384/xevus_fupedanotitak_dinali.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://fedorahosted.org/lohitIn PDF document text
    • https://static1.squarespace.com/static/5fc042db8787e8798968ae67/t/5fc5135a6457125654dcb4d8/1606751067589/download_fly_gps_pro_apk.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc5c9703dfdd95b60f6a0d0/t/5fcac26821d7537146240477/1607123562888/darakove.pdfIn PDF document text
    • https://s3.amazonaws.com/tulosa/dolanibiwitadalajoxat.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1c80a385-a1f5-4bbf-a8f5-1e60aee9626a/quincy_qt-54_parts_manual.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe057418e72e5fdb9da256/1606288763757/mi_general_augusto_pinochet_piano.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbf6093bc819f1cf4d047dc/1606377620102/selinux_mode_changer_apk.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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c54b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC54B 3120 bytes
SHA-256: 16a0685b1af8f7ff3286410c82d065b2ef9dd16f5cc5e004aadb0dd239daad33
font_01_sfnt_off0000d07e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD07E 5168 bytes
SHA-256: f9d0138c28e27d7917e11055b468dbd2c94b8d955a74f2815297e9a32863ec1b
font_02_sfnt_off0000e221.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE221 12852 bytes
SHA-256: 59686351fdbc82b0ef510e57746203a302b35c42f35b84592f6c2d44f1226c06
font_03_sfnt_off00010a20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10A20 16060 bytes
SHA-256: 1018660efa6a1a00280f0dbd6ee9814149b2344b9acf14d98de2cb76d1e712aa
font_04_sfnt_off00011ef3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11EF3 7816 bytes
SHA-256: 6dcf41a6431fb2cea108b7acb8053529315903ece059fda4d456d546222b2cf4

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