PDF malware analysis — malicious · e5cecbc3f03af331

MALICIOUS

PDF

75.6 KB Created: 2021-06-12 14:31:00 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-27

MD5: 0c124d328e754ea053d5837b00f475df SHA-1: 4029ebfbb012618a70f0da24f9c9d8cc81a4d212 SHA-256: e5cecbc3f03af331ff897df4021635f4ff1cef6dcf031e8b2ff6725ee17c982d

186 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and embedded URLs point towards a malicious document, likely delivered via spearphishing.

Machine Learning

Nyx PDF Classifier malicious score 0.9995

Heuristics 6

ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM

Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM

Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
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://pixomot.ru/pbw?utm_term=platter+5+star+wines+2021 PDF link annotation
- https://static.s123-cdn-static-d.com/uploads/4463287/normal_60b07a3a7aebd.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4425921/normal_60534ac037dd7.pdfIn PDF document text
- https://sitoluvumoroge.weebly.com/uploads/1/3/4/7/134762666/9a0f179881.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418379/normal_606d3a491ba4d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445880/normal_6021bd7facf22.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470836/normal_60ba4d633283a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4482399/normal_5feba28089317.pdfIn PDF document text
- https://kapomubevobi.weebly.com/uploads/1/3/4/6/134681937/f1514d4cc7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4462073/normal_6040131e0e32d.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4500667/normal_5ff16d6bc9ce9.pdfIn PDF document text
- https://zekisotirateme.weebly.com/uploads/1/3/4/3/134368555/sozakazaxubepop.pdfIn PDF document text
- https://nevonanopovew.weebly.com/uploads/1/3/4/3/134335048/6509639.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://murenet.pbworks.com/f/neonatal_growth_chart.pdfIn PDF document text
- http://kuperuxowix.pbworks.com/w/file/fetch/144540012/promo_heat_press_manual.pdfIn PDF document text
- http://vikowezanipe.pbworks.com/f/is_apple_carplay_and_android_auto_worth_it.pdfIn PDF document text
- http://gozuwef.pbworks.com/f/87181439900.pdfIn PDF document text
- http://rerikisozid.pbworks.com/f/esquadro_suicida_online_dublado_hd.pdfIn PDF document text
- http://xibosini.pbworks.com/f/kesemeraned.pdfIn PDF document text
- http://pubetejidewi.pbworks.com/f/zombix_online_mod_apk_3.pdfIn PDF document text
- http://pejokawigar.pbworks.com/f/84140493885.pdfIn PDF document text
- http://lijegazoz.pbworks.com/f/40679459775.pdfIn PDF document text
- http://fafukite.pbworks.com/w/file/fetch/145165023/gonotiw.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 3

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000dccc.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xDCCC	4900 bytes
SHA-256: `20ddd34c164663ac738a59275a81e50534aff5d8fcf0dae40c8ae76f4c742a26`
`font_01_sfnt_off0000ed89.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xED89	10632 bytes
SHA-256: `65be750aea3a12dce44fb5d9c2909dd298633e948fd5fb7cb32ae38b683141be`
`font_02_sfnt_off00011167.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x11167	4324 bytes
SHA-256: `ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3`

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