MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by both ML classification and ClamAV, which flagged it as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting services, suggesting a link farm or redirection scheme. The document body, though heavily obfuscated, contains references to 'beautiful fonts' and application metadata, indicating a potential lure to disguise the malicious intent of directing users to external URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://zajinet.ru/123?utm_term=beautiful+fonts+for+android+mobile PDF link annotation
- https://jegagevo.weebly.com/uploads/1/3/4/1/134109204/1a3406dc69c.pdfIn PDF document text
- https://zufopawel.weebly.com/uploads/1/3/4/4/134462865/38412.pdfIn PDF document text
- https://vowobonu.weebly.com/uploads/1/3/4/8/134853209/lipezazebaxus_lizebowubadire_wemesowenaz_butirusobobe.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4388617/normal_60135eb71de8b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4417128/normal_602b7f49bef9d.pdfIn PDF document text
- https://najijufo.weebly.com/uploads/1/3/4/7/134714833/b1e983c6ac046eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403673/normal_6029f08be644b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4495843/normal_604ff110781a0.pdfIn PDF document text
- https://lixotesit.weebly.com/uploads/1/3/4/6/134655402/de579d3ff3f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415546/normal_5fe64e69e224d.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
- https://uploads.strikinglycdn.com/files/2747be8c-7551-4c2a-ab62-569fba56a184/xuzozedixudabotoguf.pdfIn PDF document text
- http://giribuv.pbworks.com/w/file/fetch/144924489/gegari.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6bbeeaa9-f730-4108-918a-5ef9c417c00a/febomozusuzinovasavizasev.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/dfee077c-13de-4231-90e2-bfc4ad3ae627/nititadi.pdfIn PDF document text
- http://dokadeku.pbworks.com/w/file/fetch/144828564/58830810717.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e45a7850-ecc6-4a57-9d30-9980ad7d5941/48354544907.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6a0f38ec-44e8-4b69-9921-951a82ee12ca/xezukon.pdfIn PDF document text
- http://mituxap.pbworks.com/w/file/fetch/144423711/reverse_fmea.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/efed291d-3798-4182-b9c8-859bab01aa1c/devivapeze.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c430e2ab-6663-4f12-a6b9-055c56b623ff/noleli.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6b176a8e-085b-4c3c-8a3f-7ce8a3a2c39d/94030079088.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_off0000f87b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF87B | 5124 bytes |
SHA-256: 30b0bd2dadabe8f043424669641d795235cafc0532ba9d509c21c64cfd7eb25b |
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font_01_sfnt_off000109c7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C7 | 10512 bytes |
SHA-256: 7636833fa879ef9ae05697c7252ef55e00fff501f82f8c07c4d4624c898f58ab |
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font_02_sfnt_off00012dc1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12DC1 | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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