PDF malware analysis — malicious · 59e6c61eb9319f77

MALICIOUS

PDF

76.2 KB Created: 2021-03-04 02:44:43 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-16

MD5: fb7079daac8e8dda3409cad95fc99837 SHA-1: b2e4253bcfb742f2dc34e294bc9c2065267e275a SHA-256: 59e6c61eb9319f77abaa89b6fddd0f89e061603bf81a7573e46b588137ce90a1

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URL points to a suspicious domain, likely serving as a phishing lure to redirect users to a malicious site. Although no scripts were explicitly extracted, the PDF structure and the presence of external URIs suggest an attempt to exploit the user or deliver a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

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://jumiwimov.ru/strik?utm_term=sp+shocker+rsx+for+sale PDF link annotation
- https://static.s123-cdn-static.com/uploads/4392666/normal_5fe2e7ce89a93.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495399/normal_6018b81d145d5.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417658/normal_60097edc986ce.pdfIn PDF document text
- https://cdn.sqhk.co/jesisoritet/gciAyhj/hockey_fighting_gif_funny.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376619/normal_5fd05f5c841c7.pdfIn PDF document text
- https://cdn.sqhk.co/xufojidaju/WgjFhgL/73454197369.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/xugigabitulu/rovazivini.pdfIn PDF document text
- https://s3.amazonaws.com/lorifawuvawot/bls_spain_visa_application_form.pdfIn PDF document text
- https://s3.amazonaws.com/dopugaxelelema/binele.pdfIn PDF document text
- https://s3.amazonaws.com/vipuxafol/19817650319.pdfIn PDF document text
- https://s3.amazonaws.com/zumomasugipeno/g_shock_rangeman_carbon_fiber_strap.pdfIn PDF document text
- https://s3.amazonaws.com/loranoduzuja/lagu_didi_kempot_ambyar.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_off0000ec06.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEC06	5340 bytes
SHA-256: `0618dcd6bc1db17f327f781305d808fa250dc4e1036fb31ace6b6d52dc04b057`
`font_01_sfnt_off0000fe34.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFE34	11016 bytes
SHA-256: `eff755526f0e94fedd77cfb16c5ddf20c11b1e5feab72d189d6aa1e9f0cae6cd`

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