Malicious PDF — malware analysis report

Static analysis result for SHA-256 6f0a52796128664d…

MALICIOUS

PDF

73.3 KB Created: 2020-11-14 09:12:42 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-10-04
MD5: 4de68c90451d04c8f760ccfaa7bb6ce8 SHA-1: 537bee3c52c7644af03059de2e86563d11117215 SHA-256: 6f0a52796128664dd702672fcd502fd0b6a7ad91f197e8033d7fe52c155b3df0
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 0.9994

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://traffnew.ru/strik?utm_term=paras%25C4%25B1z+oyun+indirme+program%25C4%25B1 PDF link annotation
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ec948436-00f9-4314-b8b9-ab80ff8742d2/dapafinagud.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/e970e645-6c8f-4e07-b40a-6eb573bfb4c7/36738673201.pdfIn PDF document text
    • https://s3.amazonaws.com/zetare/gorukunegufavenexidumed.pdfIn PDF document text
    • https://s3.amazonaws.com/jezobasit/74036156065.pdfIn PDF document text
    • https://s3.amazonaws.com/xebuvuwov/17325645936.pdfIn PDF document text
    • https://s3.amazonaws.com/gotenukevepunin/secret_for_god_s_playing_field.pdfIn PDF document text
    • https://s3.amazonaws.com/fajixe/jacksmith_cool_math_unblocked.pdfIn PDF document text
    • https://s3.amazonaws.com/saziwijaxodav/words_that_start_with_skit.pdfIn PDF document text
    • https://s3.amazonaws.com/bubisifapagefe/30131777981.pdfIn PDF document text
    • https://s3.amazonaws.com/pibabopuduj/the_new_weibull_handbook.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 5

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_off0000dfa9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xDFA9 5432 bytes
SHA-256: 33b70f06e7e34a4dbf74adb905c08afdb80851da140fd6c155a3aed6b8574fb5
font_01_sfnt_off0000f227.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF227 11732 bytes
SHA-256: e89dffea4e51858120da89f32d49487bf36670042d376170e55872edbae46207

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