PDF malware analysis — malicious · e4e7d11bf0a3c76e

MALICIOUS

PDF

169.2 KB Created: 2021-02-24 09:07:52 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-20

MD5: e2215c2f9ccfaa424ecec21a0a6ad99b SHA-1: 2711016774d6d99b6eccb216208c2b3f88119b6b SHA-256: e4e7d11bf0a3c76e9002b407cbe1d673c0a3d9972f11bc1ad0bf99a935375927

152 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF contains a link to a known malicious redirector, indicating an attempt to lead the user to a phishing or malware distribution site. The ML classifier and ClamAV detection strongly support its malicious nature. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest it's designed to exploit user curiosity and direct them to malicious infrastructure.

Machine Learning

Nyx PDF Classifier malicious score 0.9839

Heuristics 3

ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK

PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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://crophysi.ru/strik?utm_term=which+came+first+christianity+or+judaism In PDF document text
- https://cdn-cms.f-static.net/uploads/4389576/normal_600e0f6852a4d.pdfIn PDF document text
- http://kuwibixavuxo.iblogger.org/causative_have_and_get_exercise.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4374372/normal_600493259a920.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4470222/normal_60099a570fc73.pdfIn PDF document text
- https://xavujome.weebly.com/uploads/1/3/0/7/130739328/3882540.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4365608/normal_5fdc53621ad68.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446162/normal_5fd2d1f9b37b3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4365539/normal_5fcaa73338a45.pdfIn PDF document text
- https://vosuzupitozom.weebly.com/uploads/1/3/5/3/135313705/pokumuje_narajev_zumelobodo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4419425/normal_600ec26d262c0.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4419235/normal_60024c1d7a475.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474231/normal_6022aa372bcc2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4459318/normal_5fedab42cb4fe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375070/normal_602d870b35eab.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4488560/normal_5fec03458d9cb.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://kakogajoxe.epizy.com/ledoligowe.pdfIn 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_off000266a3.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x266A3	5420 bytes
SHA-256: `dcf8e9432763c68a9d903be9add87602941051d01166f9dc834d6a594abcc674`
`font_01_sfnt_off00027901.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0x27901	14732 bytes
SHA-256: `b2e3d9606a9d6963d946dd604beb2493417b021427c3fad8e609182a1a9893d2`

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