PDF malware analysis — malicious · 94eef4c913bb97e7

MALICIOUS

PDF

75.2 KB Created: 2021-02-28 00:46:16 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18

MD5: 4b741954a333f6c67504ce043878d38e SHA-1: c8f2599c27e295d26cba8b7fa92c4d99b7d3bded SHA-256: 94eef4c913bb97e7e8659cf41dc00bdbb4015d4c5fb682771b3eb14c22ad810e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains an embedded URL that redirects to a malicious domain, likely for phishing or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent. The document body, though heavily obfuscated, appears to be a lure related to assembling furniture, which is a common tactic for phishing campaigns.

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://jottigo.ru/strik?utm_term=how+to+assemble+ab+lounge+ultra PDF link annotation
- https://cdn-cms.f-static.net/uploads/4469104/normal_5fda27eecc065.pdfIn PDF document text
- https://cdn.sqhk.co/nolagutotato/dihig1s/xozoxakepewepifekos.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484122/normal_5fe1a2c9ee2d1.pdfIn PDF document text
- https://cdn.sqhk.co/nikajovefer/dQWsHVg/cartoon_girl_wallpaper_hd_download.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4484612/normal_5febdcb8e997a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4494166/normal_5fce1282eab5d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4471719/normal_5fe701caeb618.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4382194/normal_5fc79e0c2ac56.pdfIn PDF document text
- http://legko.travel/baltaragio_malunas_knyganscow.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4528915/normal_5fd911e00869f.pdfIn PDF document text
- https://cdn.sqhk.co/vetukalujir/iajewWn/moromazo.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://waxedejav.epizy.com/fepokapojazamozit.pdfIn PDF document text
- http://giwofigu.epizy.com/93873825132.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_off0000ea6b.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xEA6B	5200 bytes
SHA-256: `1e3741a74aacc18114ab924c535e7de7f1bbbf39e314311e70cbe0f69449f284`
`font_01_sfnt_off0000fc14.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xFC14	10500 bytes
SHA-256: `254de958f48097da49d9e3554772d98ee6784d6beb22a958efb2c53858524270`

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