PDF malware analysis — malicious · 03d62597fd4a64c0

MALICIOUS

PDF

67.6 KB Created: 2021-02-25 17:22:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-24

MD5: 73c63edd7b55dfa073c63ee58d57e5e5 SHA-1: b2627455c6c0383c8be2e0d627d16c8cdd2d3f19 SHA-256: 03d62597fd4a64c06f034da6cd3f558aae35fdb1b769e2d05748e72141b2594e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, 'seumenha.ru', which is likely intended to host a phishing page or a second-stage payload. The document body, though heavily obfuscated, contains text related to 'ancient greek olympic games pictures', suggesting a lure to entice users to click the malicious link.

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://seumenha.ru/strik?utm_term=ancient+greek+olympic+games+pictures PDF link annotation
- http://eurostore.info/92765359542qhq33.pdfIn PDF document text
- http://igme.site/shareit_apk_latest_version_for_pc0f50a.pdfIn PDF document text
- http://sputnews.com/173220876207ontm.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://xapemekofutomun.rf.gd/doxakosefevezot.pdfIn PDF document text
- https://s3.amazonaws.com/sobaketemu/mathematica_eda_package.pdfIn PDF document text
- https://s3.amazonaws.com/jinotugiwomo/bejeweled_classic_cracked_apk.pdfIn PDF document text
- http://gozenabuzixi.onlinewebshop.net/90668541666.pdfIn PDF document text
- http://sidepojedava.myartsonline.com/50245805783.pdfIn PDF document text
- http://fapugiv.rf.gd/zedizuzesije.pdfIn PDF document text
- https://s3.amazonaws.com/wegugus/6201042021.pdfIn PDF document text
- http://ziwemasux.myartsonline.com/4th_grade_grammar_quizzes.pdfIn PDF document text
- http://gigivixegaxun.epizy.com/tamilrockers_movies_2019_hd.pdfIn PDF document text
- https://s3.amazonaws.com/figugipopar/how_to_pass_new_york_driving_test.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 2

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000cc35.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xCC35	5408 bytes
SHA-256: `811f30c6cfc3b537212e3888901f11cfb53f5650ec34c4efb09066224583308a`
`font_01_sfnt_off0000de9a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDE9A	10468 bytes
SHA-256: `3e546cef49de031a4b0220f00879cd9023920e271a01bbd5350c030e56807dd3`

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