MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm or redirection scheme. The heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate a large number of outbound links designed to distribute traffic. The ML classifier and ClamAV detection strongly suggest malicious intent, likely to redirect users to phishing or malware sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://botokaw.ru/award?keyword=benefits+of+budgetary+control+pdf PDF link annotation
- https://dapobirot.weebly.com/uploads/1/3/4/8/134888013/zuzatawip.pdfIn PDF document text
- https://cdn.sqhk.co/duvapegoleva/jjshih9/rechargeable_lighter_target.pdfIn PDF document text
- https://cdn.sqhk.co/zevinikiwi/sythe73/melozokexasolaj.pdfIn PDF document text
- https://xododasewa.weebly.com/uploads/1/3/4/6/134600374/mowipufidulogu.pdfIn PDF document text
- https://cdn.sqhk.co/noneniwetav/hJgdCiy/digital_recorder_maricopa_county.pdfIn PDF document text
- https://wuvobarapupi.weebly.com/uploads/1/3/0/8/130813490/damuxusapumawemov.pdfIn PDF document text
- https://zubosevofugojat.weebly.com/uploads/1/3/4/3/134307347/xujolizi.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4488332/normal_5fd3330685509.pdfIn PDF document text
- https://bigudiwox.weebly.com/uploads/1/3/5/3/135304820/gasal_zipadog.pdfIn PDF document text
- https://cdn.sqhk.co/xenudipu/fhhZmMf/umc_el_paso_ysleta_clinic.pdfIn PDF document text
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/ebab24bb47.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388165/normal_5fca95f372969.pdfIn PDF document text
- https://cdn.sqhk.co/bitaxukezor/n3Rjfhc/amazon_go_store_locations_uk.pdfIn PDF document text
- https://xalitizamer.weebly.com/uploads/1/3/4/8/134863297/xetojowuna_rijowuke_giluzapagevepu.pdfIn PDF document text
- https://jinunezig.weebly.com/uploads/1/3/4/3/134308797/bce8a086b9c4.pdfIn PDF document text
- https://cdn.sqhk.co/vajirasavuz/jkjgjca/vumuvudowe.pdfIn PDF document text
- https://nofuxufemi.weebly.com/uploads/1/3/2/6/132681390/c6659ddec545c5.pdfIn PDF document text
- https://cdn.sqhk.co/jixuvepabu/ihG69PV/10187796788.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://0df6220b-9630-4647-aab6-0d9db69b9d59.filesusr.com/ugd/8b97dd_c325d427779a460dbe6c0d3d7453b607.pdf?index=trueIn PDF document text
- https://1923692e-f727-4f58-80a8-3583160180e3.filesusr.com/ugd/c4ccc4_63c76599b3c2433682aedc05bb370a03.pdf?index=trueIn PDF document text
- https://81da36f4-dec6-4bf4-836b-19ed67500659.filesusr.com/ugd/5fd5c1_4b84650633a948e1abce473a1fafda3f.pdf?index=trueIn PDF document text
- https://12a3aa02-022d-4218-8efb-90aa4388683d.filesusr.com/ugd/6dfd9b_a80cc6d3ee8f45b2a4d747a94fcce032.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_off00010fe3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FE3 | 5612 bytes |
SHA-256: cbf8865bf3240464d4c43de0c50b89169efa9fa51cce0bed7dcd02767d0068cd |
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font_01_sfnt_off00012316.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12316 | 10688 bytes |
SHA-256: 0850419b710b5b19b77c24569e9c0b32b94c671acc87cd0bd84354ef3f4994d4 |
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