PDF malware analysis — malicious · 92dcab8699098f5c

MALICIOUS

PDF

62.7 KB Created: 2021-03-04 22:50:34 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05

MD5: d3b8a37a22407941953ffdb96736349e SHA-1: 9851c757d00ba60eabc8f3389f9098b9a4d5ba2b SHA-256: 92dcab8699098f5c763b33612d43ecd266afe8cbcd584e9eb3729a6e81735e80

154 Risk Score

Malware Insights

MITRE ATT&CK

T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file contains numerous embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a link farm or distribution of malicious content. The ML classifier and ClamAV detection strongly indicate maliciousness. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution attempt, likely initiated via spearphishing attachment.

Machine Learning

Nyx PDF Classifier malicious score 0.9892

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
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.
External URI info PDF_URI

PDF contains an external URL action
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://nipisod.ru/award?keyword=how+to+terminate+month+to+month+lease PDF link annotation
- https://vobudofokivelux.weebly.com/uploads/1/3/4/5/134599261/wogowelit.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500904/normal_603e7ae3d5cca.pdfIn PDF document text
- https://wojopegoguw.weebly.com/uploads/1/3/4/6/134690206/fiwuxegokawese_sigerep_zalasawozodut_bubikabipo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459469/normal_5fd703622e2e1.pdfIn PDF document text
- https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/pisojepilonosa.pdfIn PDF document text
- https://zebilukirun.weebly.com/uploads/1/3/5/3/135306511/niperizew.pdfIn PDF document text
- https://busemuvida.weebly.com/uploads/1/3/4/6/134643921/8618521.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/fedure/91920310519.pdfIn PDF document text
- https://s3.amazonaws.com/ladojenefe/atomic_structure_chemistry.pdfIn PDF document text
- https://s3.amazonaws.com/nerugiraxura/mobb_deep_survival_of_the_fittest_video_download.pdfIn PDF document text
- https://s3.amazonaws.com/zakunafu/firmware_blackberry_priv_stv100-_4.pdfIn PDF document text
- https://s3.amazonaws.com/wuniku/meginulomenegusod.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/4392978551.pdfIn PDF document text
- http://vajexakatozezal.epizy.com/vcloud_director_9._7_administrator_guide.pdfIn PDF document text
- https://s3.amazonaws.com/nuselufuzo/aashiqui_2_songs_masstamilan.pdfIn PDF document text
- http://xatudoxi.epizy.com/latex_creating_templates.pdfIn PDF document text
- https://s3.amazonaws.com/dazemi/26327491152.pdfIn PDF document text
- https://s3.amazonaws.com/kikunojulejuj/53434502822.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_sfnt_off0000e40a.bin`	pdf-font-stream	PDF embedded font (sfnt) at offset 0xE40A	4764 bytes
SHA-256: `e4f5cf0280834abd66b9d5408f6f13a71d956844ceb97b7ef8306ef4d99421a6`

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