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 0.9993
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://leonvi.ru/award?keyword=phylum+arthropoda+characteristics+pdf PDF link annotation
- http://doxedisipi.scienceontheweb.net/gefibilibemobezodoxad.pdfIn PDF document text
- http://dujojiwasemob.mywebcommunity.org/24_rules_of_subject_verb_agreement.pdfIn PDF document text
- http://xumavedam.22web.org/metole.pdfIn PDF document text
- https://dodafawo.weebly.com/uploads/1/3/4/6/134698388/mikolawuku.pdfIn PDF document text
- https://litapofigiwo.weebly.com/uploads/1/3/5/3/135349015/7421014.pdfIn PDF document text
- http://tavegumata.sportsontheweb.net/career_paths_electrician_express_publishing.pdfIn PDF document text
- http://bosaboro.22web.org/regional_sales_manager_job_description.pdfIn PDF document text
- http://pibosezegis.22web.org/doragerosagana.pdfIn PDF document text
- http://kigazuvunawolux.iblogger.org/37120452108.pdfIn PDF document text
- http://borulozakul.22web.org/google_adwords_fundamentals.pdfIn PDF document text
- https://xafinuwexedigu.weebly.com/uploads/1/3/1/3/131379324/61580.pdfIn PDF document text
- http://borejukeluteva.mygamesonline.org/tulisek.pdfIn PDF document text
- http://rilomenininun.getenjoyment.net/pewuxoxuwivadusavel.pdfIn PDF document text
- https://kesuwevibumeju.weebly.com/uploads/1/3/0/8/130814845/ea126f66e.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/farowug/aviation_navigation_apps_for_android.pdfIn PDF document text
- https://68e1e3d4-268d-49bc-a8aa-b119cb10fea7.filesusr.com/ugd/3ceeb9_d94d0d43a0a643d4918ca459bddc28e8.pdf?index=trueIn PDF document text
- https://891dfe3a-8969-4df2-b253-5ccc4ebbb7a0.filesusr.com/ugd/e66789_55c1eee14cb04c4eb32e8e8a43a8fe02.pdf?index=trueIn PDF document text
- https://3ae4d138-4ba3-4962-98fb-1b98b40a6a82.filesusr.com/ugd/38062a_319e61a4bc0c47cebf0a1e7f39029f45.pdf?index=trueIn PDF document text
- http://vubebolideb.rf.gd/bio_data_form_file.pdfIn PDF document text
- http://rufedum.rf.gd/hybridization_biology.pdfIn PDF document text
- https://s3.amazonaws.com/tokatefozude/71756570503.pdfIn PDF document text
- https://s3.amazonaws.com/libosokune/savulaz.pdfIn PDF document text
- https://05491ccc-77c7-428b-9c25-74f2c6c50d4a.filesusr.com/ugd/d51d36_0183ed8e3001419db1e84dd7e274cd95.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/gurupixabogivaz/accident_report_bend_oregon.pdfIn PDF document text
- https://6323cc82-cf72-43ae-bc7a-f8d691a1d37e.filesusr.com/ugd/4f3578_e8159fa261cd4056b983bc7ec903aeb0.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_off00011e42.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E42 | 5496 bytes |
SHA-256: f700840163f8ca713a2d5b1c16c7f0699b29a5f03d88ea3b60baf308d613f94b |
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font_01_sfnt_off000130ce.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x130CE | 11476 bytes |
SHA-256: 1ac66429fc6310d4eb19ecb2a369ff3f8f695be162a5067026c5b890050dd63a |
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