MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The embedded content, though partially corrupted, includes references to 'wkhtmltopdf' and a date, hinting at its generation. The primary attack pattern involves directing users to external URLs, potentially for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARMSmall 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.
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Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARMSmall 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.
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External URI info PDF_URIPDF contains an external URL action
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Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTALThe 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.
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Embedded URL info EMBEDDED_URLOne 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://gimoguvi.ru/award?keyword=how+to+use+original+sodastream PDF link annotation
- https://cdn.sqhk.co/fuvebopeweb/jbVhbef/mexakinozutewesamitenow.pdfIn PDF document text
- https://cdn.sqhk.co/jomonufo/FGjfigY/34809771737.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453344/normal_6014ce1b777d4.pdfIn PDF document text
- https://mepanegeloja.weebly.com/uploads/1/3/4/7/134759112/dujipopi.pdfIn PDF document text
- https://cdn.sqhk.co/xekemini/Cj2N8jj/xokasiweretegow.pdfIn PDF document text
- https://cdn.sqhk.co/miwurazaz/uEogdFi/vokufamunalol.pdfIn PDF document text
- https://gozexorajive.weebly.com/uploads/1/3/4/6/134610068/3c0359c7b8.pdfIn PDF document text
- https://cdn.sqhk.co/tivanosox/Ixiaiay/mitimasidob.pdfIn PDF document text
- https://cdn.sqhk.co/fekepazerox/jhja8ha/mulipozeguzora.pdfIn PDF document text
- https://cdn.sqhk.co/rekutadis/bfjfDlS/92398982561.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447258/normal_603f587f7d2d1.pdfIn PDF document text
- https://cdn.sqhk.co/jifigetuxu/jfjcOih/54808551542.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483349/normal_601ba949e8765.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://73f4d879-981c-49fe-abc7-520f36a14a84.filesusr.com/ugd/b77b08_b0b246bc8fd247478dc5989a3a017915.pdf?index=trueIn PDF document text
- https://11627308-8c8f-4f08-99ed-0ad85160907d.filesusr.com/ugd/682d1c_3224953cc50b41c8a96d8f8fe44d6d1f.pdf?index=trueIn PDF document text
- https://1fc3e790-19e1-43b7-bae7-d09a953f51fe.filesusr.com/ugd/2c608b_23a7a08daac8430e8d2eb41f1ec91e1f.pdf?index=trueIn PDF document text
- https://3d7304b5-8527-495f-b913-615d6f357a43.filesusr.com/ugd/ef7486_03e91b2ed8264039a3494a2548df1f26.pdf?index=trueIn PDF document text
- https://c06d174a-caca-4ab2-b5a0-4525cd3135d4.filesusr.com/ugd/856cea_86b27f19a19f4c9da08d50ef4b24ecbf.pdf?index=trueIn PDF document text
- https://9cf5cc10-3c2e-4e30-ae6b-73ed7beed88a.filesusr.com/ugd/5c2b46_dde8e49b5c9d4d7dbb299faa52395040.pdf?index=trueIn PDF document text
- https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_dc300f0113df4a5481a06dc1adf7bdfa.pdf?index=trueIn 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_off00010231.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10231 | 5200 bytes |
SHA-256: 2dbff5af6bdca15d5d98f5b905e688f4bf52d5fca9ccf81b091c33ecd2cf2c6f |
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font_01_sfnt_off000113d4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x113D4 | 10252 bytes |
SHA-256: fe0fd9491b8b8ce2e89395c9d9e78e46073e08846c109720a6c4b43b81fdfd8e |
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