Malicious PDF — malware analysis report

Static analysis result for SHA-256 e025566644014a1c…

MALICIOUS

PDF

85.8 KB Created: 2020-12-30 11:16:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 7d8a094572d55c4cf0281e96e4cb63f3 SHA-1: 988540b1c14cee76c4026a062b52131bd892208e SHA-256: e025566644014a1c18b0b2c63fba16a0b6426350b39e3a36d0470710f84c4762
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-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://trafffi.ru/123?utm_term=hide+fox+and+all+after+meaning PDF link annotation
    • https://cdn.sqhk.co/mebinolopuf/qljfjdE/jemig.pdfIn PDF document text
    • https://cdn.sqhk.co/xolafunodo/oljas9E/molokozugenakejugupeda.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/kudufigunabi/application_letter_for_scholarship.pdfIn PDF document text
    • https://s3.amazonaws.com/tetazino/network_management_and_administration_book.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/920fa8f5-1235-4adb-b802-775bfb14ecb5/41438447732.pdfIn PDF document text
    • https://s3.amazonaws.com/zedilegol/ann_arbor_crime_map.pdfIn PDF document text
    • https://s3.amazonaws.com/jasipefulaxiduj/25886312377.pdfIn PDF document text
    • https://s3.amazonaws.com/bezorito/augustine_2012_full_movie_free.pdfIn PDF document text
    • https://s3.amazonaws.com/ginutu/importance_of_carbohydrates_in_the_body.pdfIn PDF document text
    • https://s3.amazonaws.com/jupevuxirapi/vujisizagutoruvasudixu.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/96603499-50cf-410e-8ec4-0da7f02d6ed2/fametusugijonaridebane.pdfIn PDF document text
    • https://s3.amazonaws.com/bejikefowu/3292707043.pdfIn PDF document text
    • https://s3.amazonaws.com/memul/95666324696.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/cabda007-2004-443b-92fe-e91c69c903fe/xakek.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/566ff769-2ce5-4b12-81ef-f2454d8bd1a7/diy_rc_drone_controller.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

Related samples 6

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fc85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC85 5080 bytes
SHA-256: 131713d713eebdc708d9a278ffc553372741ef12263fa7f0658d6cc67456d17d
font_01_sfnt_off00010db7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10DB7 10640 bytes
SHA-256: 2f9efaf7d920022f66ea01e8705b3c8f8c98a0fce8760ce2f0843b3461594204
font_02_sfnt_off000131d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x131D4 16572 bytes
SHA-256: e46e1ed47f4262617d11d3bac02be29f3e7391ff84f5aee5a529018fe3713d34

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