Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4f0f5fb78d673ef…

MALICIOUS

PDF

79.4 KB Created: 2021-03-25 07:25:03 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-07-07
MD5: 961ad1c5946cda6260a44371738f643c SHA-1: b471db80ed26c427e43ae72bf092b8e60de3f075 SHA-256: e4f0f5fb78d673ef6c6baf911ba1c30ef703bfd01a502cdf50b4bc55836c0f87
96 Risk Score

Malware Insights

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

The PDF file contains an embedded URL that directs users to a website disguised as a manual for an LG appliance. This URL is likely used to deliver a malicious payload or phish for credentials. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://soxebez.ru/wix?keyword=lg+lw8014er+manual PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4472491/normal_603383fe25706.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4477155/normal_5ff17c06a6a88.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4505699/normal_5ff667e75f68e.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369930/normal_5ff26012e305c.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/f696c784-ec2e-4277-a57c-38f9658d219a/what_do_mandate_of_heaven_mean.pdfIn PDF document text
    • https://s3.amazonaws.com/sajatesawodiji/56376917808.pdfIn PDF document text
    • https://s3.amazonaws.com/xeroguru/preschool_stem_curriculum.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/18db7376-e9f6-4e43-9f9b-c21133775ecd/how_to_pass_the_drivers_test_in_georgia.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/63045586-0192-4c06-9ad2-a0121b4a8ab0/rigifekuza.pdfIn PDF document text
    • https://s3.amazonaws.com/bojafazes/elapsed_time_24_hour_clock_worksheets.pdfIn PDF document text
    • https://s3.amazonaws.com/gogoxowiniza/agency_relationship_form_real_estate.pdfIn PDF document text
    • https://s3.amazonaws.com/luramamelolem/adobe_photoshop_lightroom_tpb.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/64fd9447-ca12-472e-a989-78d4fa0e1214/what_does_a_scientific_engineer_do.pdfIn PDF document text
    • https://s3.amazonaws.com/zosevid/17635747580.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/5dadfe23-4b73-4a0d-bc4b-6f3d7cd20503/nlt_vs_niv_study_bible.pdfIn PDF document text
    • https://s3.amazonaws.com/jifesu/alveston_cygnets_ofsted_report.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb9d5d97-2026-4c44-bc7b-26cf2702e791/33901087805.pdfIn PDF document text
    • https://s3.amazonaws.com/sizabo/poe_menagerie_crafting_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/863e34e9-d3d0-4ad7-9897-c63fde4cc081/61839445187.pdfIn PDF document text
    • https://s3.amazonaws.com/ropidadegaxut/noun_quiz_for_class_3.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e9ad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE9AD 4980 bytes
SHA-256: c4b88823a684627309d7e8417ed8429fbfe359477d42ef3a9ddf69a179843ac3
font_01_sfnt_off0000fa8a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA8A 11156 bytes
SHA-256: c1a84a40a05e647e7d7feb43dcab03b18a3e7c85d43fe292a8500bb5a30896eb
font_02_sfnt_off000120d6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x120D6 4324 bytes
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3

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