Malicious PDF — malware analysis report

Static analysis result for SHA-256 eb26d357153f42cf…

MALICIOUS

PDF

71.2 KB Created: 2020-11-13 11:17:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: a20c7714ad0d9b0c39e4de041dd52913 SHA-1: d6c2f565be5af5dfbf72be0b4e65880b74bdc1ad SHA-256: eb26d357153f42cfc2dc383fe032fd6e90bef62b1593452c003690d9f06ba67f
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 0.9998

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://traffking.ru/strik?utm_term=oblivion+restoration+leveling PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4380072/normal_5f9d19a8214dd.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4393208/normal_5f8ebabdc8003.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4368972/normal_5f8cf729cf049.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4394066/normal_5f9b10fa121c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452217/normal_5fa87246bb769.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4366987/normal_5f899dba6f712.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4452392/normal_5fa0be8294e6a.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4416654/normal_5f9cb3aa854ce.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4391015/normal_5f8feef36d0c7.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4389084/normal_5f8e5cb8d0fe4.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/d46ce4fc-3da3-4577-85a6-adfb2207c06b/82611463213.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/86ddd06a-b08b-47c7-a40f-a7d3e9c1f355/petsafe_wireless_pet_containment_system_instructions.pdfIn PDF document text
    • https://s3.amazonaws.com/satudifin/33129251255.pdfIn PDF document text
    • https://s3.amazonaws.com/felasorarabipis/latest_ielts_writing_task_2_topics_academic_with_answers.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_off0000cde6.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCDE6 4868 bytes
SHA-256: 25ec2a3cc0e2eaaeaef558e12f2ba4af1d389bfb50bbc0155b247367297f3cb7
font_01_sfnt_off0000de79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDE79 10432 bytes
SHA-256: c4464dd2b38d97de0fc05481c47cd1d8cb5896fecd6f4c15450c0a961cbbabb4
font_02_sfnt_off0001022b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1022B 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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