MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://bologen.ru/123?utm_term=chef+knife+size+guide PDF link annotation
- https://static.s123-cdn-static.com/uploads/4444110/normal_5fc846b34f389.pdfIn PDF document text
- http://gibelineg.sportsontheweb.net/cpm_critical_path_method.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379053/normal_600a112dc6690.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421639/normal_5fd2a0d2ce05d.pdfIn PDF document text
- https://rabiwibunefa.weebly.com/uploads/1/3/4/7/134747284/zulolalunola.pdfIn PDF document text
- https://sanokigoj.weebly.com/uploads/1/3/4/8/134863934/4ee58f710af1d94.pdfIn PDF document text
- http://wemuwetafivaxe.sportsontheweb.net/12724356538.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483083/normal_6014bf0e19c30.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4458144/normal_601a6988ba696.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4378157/normal_60249587b0c29.pdfIn PDF document text
- https://devitigofe.weebly.com/uploads/1/3/1/0/131070043/b1e672456.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4448539/normal_602709c62efdb.pdfIn PDF document text
- http://vivekawiga.sportsontheweb.net/mupesenaguxafa.pdfIn PDF document text
- http://kilekapalovuzo.getenjoyment.net/48650732852.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a540aa65-2eb1-4ac3-86d0-bf6a54daac96.filesusr.com/ugd/2d797c_b8b37abfcd4c4c8889de75810e349393.pdf?index=trueIn PDF document text
- https://5b3fc17b-a4fb-4144-9a53-ff617e35bc6a.filesusr.com/ugd/696117_685683f36ca2457c91bfdc582e7862e5.pdf?index=trueIn PDF document text
- https://caf0f927-206f-4b4e-aa34-0dd3da53679b.filesusr.com/ugd/83d902_56d3fb51a36d45fd939ac5753b752833.pdf?index=trueIn PDF document text
- https://99ca13e2-8bf0-45b2-93fa-bbfb519f101f.filesusr.com/ugd/5392be_0e83183ec73b47f0ac98c73cfba90513.pdf?index=trueIn PDF document text
- https://d78d2789-9aef-4bfd-88be-9093bec910ef.filesusr.com/ugd/87a178_cfda1330c65143ff80f065d71e69f71a.pdf?index=trueIn PDF document text
- https://2a983b51-2e13-4971-8c1f-a5bca3ab4353.filesusr.com/ugd/e1a791_6a1d973b9d2845c8812f5da6a95c45d2.pdf?index=trueIn PDF document text
- https://a24bc4ef-4ee2-4fae-af0c-c9fea810b245.filesusr.com/ugd/67d96c_9323f192683f41ccb49de3feee9e4685.pdf?index=trueIn PDF document text
- https://147762ec-90f0-4523-8579-43cb3cd17c82.filesusr.com/ugd/6c48b9_ff8b680cf82b495c9394131bb269238e.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f381.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF381 | 4264 bytes |
SHA-256: 3ae34b9cba89fcce13608756573737433c221d49478e0a353cd6209a3674450e |
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font_01_sfnt_off000102b3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102B3 | 4852 bytes |
SHA-256: 9ec0741223ce11aca96e4cdeae33fcf9216288bac348040bf804a306a31bf49d |
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font_02_sfnt_off00011342.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11342 | 11708 bytes |
SHA-256: 02a9515e19a82243eccfae138d3d4d3c06aefe10a38f9990af7c2948785839fd |
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