MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many hosted on disposable domains, indicating a link farm or phishing attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. While no scripts were directly extracted, the PDF structure and numerous external URLs point towards a malicious document, likely delivered as a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://golowaki.ru/strik?utm_term=what+is+peripheral+tolerance+mechanisms PDF link annotation
- http://pifedalune.medianewsonline.com/58645504288.pdfIn PDF document text
- http://kozidozilujivox.getenjoyment.net/75691989771.pdfIn PDF document text
- https://janolonixo.weebly.com/uploads/1/3/3/9/133987325/138448.pdfIn PDF document text
- http://gelikanipes.iblogger.org/norugularepirinopepidoj.pdfIn PDF document text
- https://nipaxibovaj.weebly.com/uploads/1/3/1/3/131379211/judofelamopulif.pdfIn PDF document text
- http://tivunuvuzamiguj.22web.org/jolovufegixojijukere.pdfIn PDF document text
- https://nusoselif.weebly.com/uploads/1/3/4/4/134470887/mutuzuderi.pdfIn PDF document text
- https://kimonasisu.weebly.com/uploads/1/3/5/4/135400987/jejexiv_sujizanuli_mizoxota.pdfIn PDF document text
- https://lataladegizozav.weebly.com/uploads/1/3/4/6/134685495/midituge.pdfIn PDF document text
- https://zisafidavilux.weebly.com/uploads/1/3/2/8/132814196/914002.pdfIn PDF document text
- https://kuxapularutamux.weebly.com/uploads/1/3/5/9/135984678/0f388.pdfIn PDF document text
- https://zegikawa.weebly.com/uploads/1/3/4/6/134640481/suvivobubejupobateli.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://52a72965-a6d2-471e-b66a-59a59a4d663b.filesusr.com/ugd/e643da_a7dcd483ecf049838c1d44de7133617b.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/selivuvumepaveb/uniformly_accelerated_linear_motion_translation.pdfIn PDF document text
- http://lawewil.atwebpages.com/luguvemunuje.pdfIn PDF document text
- http://vavijirodujozi.rf.gd/61211299476.pdfIn PDF document text
- https://b23183eb-b2e5-455e-bc25-91fac1efd10f.filesusr.com/ugd/cc14e4_916ea8729fed4d3a957b9b23d06994dc.pdf?index=trueIn PDF document text
- https://76ed6b59-b034-43ac-b949-e1c08f76e3cb.filesusr.com/ugd/ee6100_7c760a0f1e1549d2b0df408e6b7db415.pdf?index=trueIn PDF document text
- https://e5aadbcf-511f-4ee2-989a-4410a22eeed0.filesusr.com/ugd/64930c_c4c95dcc516a45329af996a35b4f7f3c.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/jazuravazaguz/18555789302.pdfIn PDF document text
- http://guriseb.myartsonline.com/manual_de_auditoria_interna_de_una_empresa.pdfIn PDF document text
- https://c245485c-e1a4-4c5a-9a2a-c465a95e53c8.filesusr.com/ugd/25f824_313fb41ca11e4e248e46658771d01247.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_off0000fd75.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD75 | 5188 bytes |
SHA-256: a6e261d2903a25251b948a7023db0e43d024efe90a012613555c7d7ade2bf31a |
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font_01_sfnt_off00010efb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EFB | 11496 bytes |
SHA-256: 3a7e1ca66b17cda5e4dbc4c4bf8e3a2994bdf7f76f4dc63bcc2f1c83fc10e6fa |
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