Malicious PDF — malware analysis report

Static analysis result for SHA-256 0414234ce61d0038…

MALICIOUS

PDF

67.0 KB Created: 2020-11-25 11:52:37 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 48980f5a62292e51aa82cb2116d6b73e SHA-1: 88f9dff78918fa4a952a89295254d9068328ce08 SHA-256: 0414234ce61d0038316620c2382058bfdc1d486b6f6ab9938c4afa3131369c08
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file contains a link to a known malicious redirector, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly support its malicious nature. Although no scripts were extracted, the presence of a malicious URL suggests the document's purpose is to redirect the user to a harmful site, likely for phishing or further payload delivery.

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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://ggtraff.ru/aws?utm_term=plexiform+neurofibromas+mri In PDF document text
    • https://cdn-cms.f-static.net/uploads/4366964/normal_5f87365c66855.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/54cd5b58-fd2e-44d8-8d3a-b86a4e3c84e0/tinofasam.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56f2c703-c472-4639-9fc0-9fd1db83c4d9/true_dimension_of_a_2_x_4.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2ba79b27-0921-40b5-bf1e-2e18d2befd53/gusanatiled.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/2618229f-e617-41db-8e4f-6800cadb2077/regifesinexabinumazuruz.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9ac15480-01d7-4287-9b70-00c55f5e87b2/voganevalikekutiwalul.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/b6f9042a-7596-4b94-8df3-f08f9e3f9630/xufuwebumewatuzil.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/ee893114-c0d6-4462-99ee-7eb7e0443c4f/74155364748.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/56e2a6a9-98f2-46d1-ad94-92edf59b447b/costco_australia_ipod_touch.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fa81185c-d0cf-41cd-a4df-7479f8f66edf/asu_winter_institute_2020.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/06923570-a8ad-4a1c-a278-46a0c0e27f54/doteburezavakure.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 2

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_off0000c895.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC895 5124 bytes
SHA-256: edfdf613ab7fc635f946588680c738b2dc510845d104f71684cce242a46d2b74
font_01_sfnt_off0000d9ec.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD9EC 10680 bytes
SHA-256: b02956d1a219a22f5b3f6037fc622f05aac890680fce928b53254f95f4442cba

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