MALICIOUS
194
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 and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://vilenefex.ru/123?utm_term=bcece+admit+card+2019 PDF link annotation
- http://shimano-stradic.ru/nekepukakitezalib8h4t.pdfIn PDF document text
- http://feelslike35.com/does_lowrance_elite_5x_have_gpsq0jnp.pdfIn PDF document text
- http://coins24h.com/98424611093hrm3c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4415531/normal_5fc8ad62ca91d.pdfIn PDF document text
- http://dinetaki.22web.org/zekisipomufumofurizu.pdfIn PDF document text
- http://tarekupi.scienceontheweb.net/greater_bay_area_initiative.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4404524/normal_6038215d3ac74.pdfIn PDF document text
- http://suziterunedoloj.sportsontheweb.net/hp_j4680_ink_cartridge.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481985/normal_605b96c4736be.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://aefb6378-f3ca-470a-b9d2-22936542d087.filesusr.com/ugd/fe129c_4e7aacb4bd194ef99c10757c32ed0602.pdf?index=trueIn PDF document text
- http://pajamubo.rf.gd/jquery_ajax_form_submit_post_example.pdfIn PDF document text
- https://973697ad-ffa4-4f9d-85cd-0c9d1ea039ee.filesusr.com/ugd/5f5755_e5027bd6287546b9b77bcc03b010e522.pdf?index=trueIn PDF document text
- http://jugugesazo.myartsonline.com/novixeb.pdfIn PDF document text
- https://c480cc3d-c044-45b7-a7fa-747782367dcd.filesusr.com/ugd/a26f59_55a8e2ba32884b8484a0e608b670a814.pdf?index=trueIn PDF document text
- https://2a04f01a-7147-4793-98aa-b59dc93e6f96.filesusr.com/ugd/efcdeb_70e64a353ef94ab194e4bcc2decdfaa1.pdf?index=trueIn PDF document text
- https://299bc67c-4c9a-44ea-852c-18f2d39dca40.filesusr.com/ugd/954c8b_d051aebeff0f4ad0b8e83f4c87fcd038.pdf?index=trueIn PDF document text
- http://bilovero.rf.gd/91196182120.pdfIn PDF document text
- http://kiduvunizujenav.rf.gd/browser_for_android_free.pdfIn PDF document text
- https://5548a280-a194-4776-8019-0e256783c1fa.filesusr.com/ugd/f2c1dc_f82e0a4528154465824b101cb32db364.pdf?index=trueIn PDF document text
- https://d56a38bf-d62e-453c-9b5b-5b2fe88aea46.filesusr.com/ugd/359e64_60fb23782c4b416cad538a12a7cfea0d.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_off0000e0ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0AD | 5404 bytes |
SHA-256: 1464df1f8f5961406c853bb20b0da2548e3fb8c6028fb5e701d88a8f8cffac36 |
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font_01_sfnt_off0000f2fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2FB | 10716 bytes |
SHA-256: c7996f290c366c54b071ccc36a3787db994f16a4e7c1305cb89b257e25d9cdb3 |
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