Malicious PDF — malware analysis report

Static analysis result for SHA-256 d2a843e28f927627…

MALICIOUS

PDF

73.7 KB Created: 2020-11-13 19:26:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-02
MD5: 752cb939968048dc4116050d2d294d6d SHA-1: 9d5483e99b64ae86b6c72f394136e8074a56e37a SHA-256: d2a843e28f9276273d38addfe91b703e28810d02897fb46f34960e35c75e038f
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 0.9996

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/strik?utm_term=greek+an+intensive+course+answers PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4479224/normal_5fa5fb175cb1f.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4477877/normal_5fa6f3abab9fc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369306/normal_5f8b5f4aa1eae.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369640/normal_5f88c93bacd0f.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/6d46e63b-e6d4-4c12-95ec-75dbd956d45c/vorerolusafe.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f6e2e238-995a-4b49-b96a-6731ea1d7337/jewuzejiken.pdfIn PDF document text
    • https://s3.amazonaws.com/lopadivupudexa/bmscs_dpscs_neurogenesis.pdfIn PDF document text
    • https://s3.amazonaws.com/gupuso/merge_files_into_one_online.pdfIn PDF document text
    • https://s3.amazonaws.com/takebemanijewok/19367210189.pdfIn PDF document text
    • https://s3.amazonaws.com/fejififimaketo/wozodatamigu.pdfIn PDF document text
    • https://s3.amazonaws.com/xafaxotaful/what_county_is_memphis_mi_in.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1e5a9134-3cb3-4909-b32a-0b79d9168d99/juwarotukuwobifonuzezeri.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76e9577d-9549-47ae-b8fc-6752aff9c19a/xerabet.pdfIn PDF document text
    • https://s3.amazonaws.com/gawabog/sarixifawabateraz.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

Extracted artifacts 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000c0f2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC0F2 2900 bytes
SHA-256: 10a07fc969e6c8cf41398fcfefa625e426b29a45b33f3716d0886db1405c0d2a
font_01_sfnt_off0000cb35.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xCB35 5008 bytes
SHA-256: eebf7a8681894a4cf1278b4d3df5c38c6dd1cd762613a08f64cffbaa510149fc
font_02_sfnt_off0000dc66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDC66 11440 bytes
SHA-256: 057c6e28194aa684abe19c60d41464fd53bf9593f45f35a441f2e6480b39d3e8
font_03_sfnt_off00010365.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10365 16240 bytes
SHA-256: 840aca7af89d6665d446bd68a022ef871a8c4a07170005e3094ac854b8115bb7

Open this report in the interactive analyzer, or submit your own file for analysis.