MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9992
Heuristics 5
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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 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/123?utm_term=fracture+risk+assessment+tool+pdf PDF link annotation
- https://cdn.sqhk.co/kasigabuzu/icup0Zb/putotutenurojawera.pdfIn PDF document text
- http://blognews.top/mizixinenalodipeje1d6e.pdfIn PDF document text
- http://netlysy.online/zurich_balanced_managed_ap_fund_fact_sheetr8yyg.pdfIn PDF document text
- https://cdn.sqhk.co/kujusiru/IgdBuhe/72949316008.pdfIn PDF document text
- http://lnstagramverifiedsbadgeforms.com/3ds_max_tutorial_booksrxro1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4444649/normal_600cc2c0c3604.pdfIn PDF document text
- https://vemubofopelo.weebly.com/uploads/1/3/0/7/130776521/visapuw-vadigupoxerisez-mesavuzo.pdfIn PDF document text
- https://guvolobojifo.weebly.com/uploads/1/3/4/7/134733869/fa704c605c8344.pdfIn PDF document text
- https://cdn.sqhk.co/kevovevude/e3Lgfn9/23151726980.pdfIn PDF document text
- https://cdn.sqhk.co/fuluzagile/bhjzUjc/peranuridem.pdfIn PDF document text
- https://guwubujurod.weebly.com/uploads/1/3/1/4/131438509/5753466.pdfIn PDF document text
- https://cdn.sqhk.co/mojubemuwek/fT4hahb/77428687309.pdfIn PDF document text
- https://senidexug.weebly.com/uploads/1/3/0/7/130775540/2559002.pdfIn PDF document text
- https://xovesoxak.weebly.com/uploads/1/3/0/8/130813458/pixukoxasafasi.pdfIn PDF document text
- http://formverifiedbadge.com/40565816975o6liu.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4446394/normal_604472e7d793f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375509/normal_6025757eaae88.pdfIn PDF document text
- http://fito4ka.xyz/afsc_listq2fto.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/720497f8-3557-4e04-9747-1466a4b5d1bf/40839337029.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/03696f47-c2dc-4457-90e4-9d8f9d8e8b03/how_to_sign_in_on_lorex_cloud.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9cca3e0a-c9bd-4d49-9ea9-9027ed5b200f/how_to_calculate_moles_of_one_element_in_a_compound.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/feef9f8f-6eb1-4493-9e9c-9ee744c96510/which_is_the_best_topic_in_finance_for_research.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
- https://savannah.gnu.org/projects/freefont/In PDF document text
- http://www.gnu.org/licenses/In PDF document text
- http://www.gnu.org/copyleft/gpl.htmlIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
stream_005_off000148e3.bin |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x148E3 | 17660 bytes |
SHA-256: 25b41b1ba37e1e90e07f5d4248f558c2b850d976e2d5c7427c0adfaef9cf4289 |
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font_00_sfnt_off0000f99a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99A | 8644 bytes |
SHA-256: 7d4baf59e2f0b64b750e088c893ec1b87c8a99b40d718aebfc9f276d876caaa3 |
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font_01_sfnt_off0001104f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1104F | 5320 bytes |
SHA-256: f5696efd9ea9fa9d1f69918019d1cd185cb291c3c2b4673beccd160babb63121 |
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font_02_sfnt_off00012257.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12257 | 11580 bytes |
SHA-256: 4ac506720bf6f2f29c271eaa22da635639174abf141b02951930e488ebfbb8bc |
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