Malicious PDF — malware analysis report

Static analysis result for SHA-256 ea99ddda5ee94cf2…

MALICIOUS

PDF

88.0 KB Created: 2020-12-03 14:55:08 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 89dcbeb806e27b3c07ece1b67c15d6c5 SHA-1: 9b41f7cd91ea7be3128d67227716998d4ce241ed SHA-256: ea99ddda5ee94cf2ebdb6c08519f75bd02d9f8991833f9eeb62a5b360af579ac
96 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The file is identified as malicious by ML classifiers and ClamAV, with a high risk score. It contains an embedded URI pointing to 'https://trafficel.ru/aws?utm_term=attaullah+khan+esakhelvi+songs', which is likely part of a phishing or malware distribution scheme. The PDF structure and embedded content suggest it's designed to deceive the user into visiting this external resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://trafficel.ru/aws?utm_term=attaullah+khan+esakhelvi+songs PDF link annotation
    • https://figapizezedop.weebly.com/uploads/1/3/4/3/134364787/72d81e987.pdfIn PDF document text
    • https://mufalugibesenu.weebly.com/uploads/1/3/1/4/131453255/rujawagot_vefoloxe_wuxapinofi.pdfIn PDF document text
    • https://xuxavapivobe.weebly.com/uploads/1/3/4/5/134590147/615409.pdfIn PDF document text
    • https://sukodijam.weebly.com/uploads/1/3/4/5/134516983/kejifetisixole.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/fizaxo/android_tv_remote_pc.pdfIn PDF document text
    • https://s3.amazonaws.com/sesijesule/kshatriya_1993_full_movie_480p.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/7ea781a5-e884-4909-b1eb-ddd3e94b25d6/algebra_simplifying_radicals_worksheet.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc509b1affbf90a660519c5/t/5fc733b00623334b0c5bbd83/1606890416616/heart_3d_model_free_download.pdfIn PDF document text
    • https://s3.amazonaws.com/tosevud/levajomemesotimivi.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc15943ea4a794d56482977/t/5fc2b3a4e6d49a06bbeb83de/1606595492812/mythic_feather_fall_pathfinder.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_off0000f2ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF2CA 3012 bytes
SHA-256: a399fe96af801c2052f662cdbde4f42b4a683414ee7bc8e1620d29cb9b520efd
font_01_sfnt_off0000fd91.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFD91 4964 bytes
SHA-256: 7b4c291b8ff1c74e62b86470c23867d3a1622ac0b49f4f2bc16bc96970fb3ea7
font_02_sfnt_off00010e79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10E79 12120 bytes
SHA-256: f9f1252f6438c759b9bc99ddd6ab792166eaaa9957a199631837ba7b009bc399
font_03_sfnt_off0001361e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1361E 18372 bytes
SHA-256: 6ff6604ab27a2cab3b856ba160674092e1ca736af63956e9b8346f880e41b38e

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