Malicious PDF — malware analysis report

Static analysis result for SHA-256 15273e58e54f9559…

MALICIOUS

PDF

64.5 KB Created: 2020-11-17 23:24:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 3f48ca054bd9189ba887d860a1d7df9b SHA-1: 98ddea1b9a25dcd0178444bebb5982cc86b1ed66 SHA-256: 15273e58e54f9559c250f21d8abaa5a38b7ef40a5c73c3a5dc725a0096777d90
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 0.9980

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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/123?utm_term=rats+in+the+walls+rpg PDF link annotation
    • https://lozulijulejibog.weebly.com/uploads/1/3/1/8/131857057/xibujesolezikareleku.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4459774/normal_5fa2f39758c5d.pdfIn PDF document text
    • https://buximinolid.weebly.com/uploads/1/3/1/3/131381316/wixesapu.pdfIn PDF document text
    • https://nibuwoxemunovox.weebly.com/uploads/1/3/4/7/134714338/639bd7.pdfIn PDF document text
    • https://sexozorojupur.weebly.com/uploads/1/3/4/3/134390270/bca223e0d304.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/fefurorobumi/standard_fire_insurance_company_in_hartford.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/17963abc-cde6-43d8-9c6d-00f9836cc297/cdma_tool_dfs_professional_software.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/dfa1b327-2afb-4460-8e44-37aea5962bbb/19999624164.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4edeb75b-2f36-4497-ac07-a8d44547f256/96828671494.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

Related samples 4

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

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000be40.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBE40 5180 bytes
SHA-256: b9d2f14951444d7b65fc03ff44d27b96c019ed527357c4df8fae509339804cac
font_01_sfnt_off0000cff4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCFF4 11076 bytes
SHA-256: e10c9c385674637377aa9c15617a53dc257cdb83cfc6c84ee7509618a632731e

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