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 0.9778
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://maypoin.ru/award?keyword=triptico+sobre+alimentacion+saludable+pdf PDF link annotation
- https://bojuwidus.weebly.com/uploads/1/3/4/6/134698781/tonugatuzobakus_wofizimulaf.pdfIn PDF document text
- http://medilawibume.scienceontheweb.net/bl_theraja_volume_1.pdfIn PDF document text
- http://timinome.getenjoyment.net/gujunivafuriwawa.pdfIn PDF document text
- https://tiletemilowa.weebly.com/uploads/1/3/2/7/132710791/muparo.pdfIn PDF document text
- https://kilizilefepik.weebly.com/uploads/1/3/0/7/130775254/kuborenivotevuba.pdfIn PDF document text
- https://gawudizilox.weebly.com/uploads/1/3/5/3/135300959/8078443.pdfIn PDF document text
- https://nuwusiran.weebly.com/uploads/1/3/5/3/135321198/juzemukimo_sexufokazo_vadomome_letap.pdfIn PDF document text
- https://gakujoxabusu.weebly.com/uploads/1/3/5/3/135394689/1537494.pdfIn PDF document text
- https://fiwerabonu.weebly.com/uploads/1/3/4/3/134347662/wuferewi-xepaxawi-mosaxizetawunew.pdfIn PDF document text
- https://jevakotimafunu.weebly.com/uploads/1/3/4/8/134878594/7604614.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://45ed8376-e832-497f-ab20-0a31924dc5db.filesusr.com/ugd/4b7290_e8d95101ec964d14b742076d440762f8.pdf?index=trueIn PDF document text
- https://9f349447-249b-4747-956a-316fe86e371b.filesusr.com/ugd/d2b720_7f727a5eefd749beb88d681b2fbab9b3.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tamovagag/19420334133.pdfIn PDF document text
- https://s3.amazonaws.com/liluvad/badminton_history.pdfIn PDF document text
- http://vegubom.atwebpages.com/86868586307.pdfIn PDF document text
- https://a146b927-ed54-472d-b3a8-6b137e313b92.filesusr.com/ugd/4d400c_dc09cde22d094d098165f5d3e3208f86.pdf?index=trueIn PDF document text
- https://393102e6-89af-4738-8cad-89662dba8dc5.filesusr.com/ugd/33a16d_9e6c8e78b8bf4d288afe13174dc15b6d.pdf?index=trueIn PDF document text
- https://ebba3e40-d49f-4cc8-b137-373bb1124918.filesusr.com/ugd/384ea4_afe720cfbae94946935108f6fdfa85a7.pdf?index=trueIn PDF document text
- http://kagijido.myartsonline.com/french_verb_conjugation_table_prendre.pdfIn PDF document text
- https://e5baaea7-7007-41de-9367-4ebf3ed55875.filesusr.com/ugd/8e1900_00b2cb4384824cf2899490d95b45512b.pdf?index=trueIn PDF document text
- https://04934832-22f3-474e-96de-b9d593e92251.filesusr.com/ugd/f390e7_40a7903e919a4abaa3f99253985493f1.pdf?index=trueIn PDF document text
- https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_6e5b2717a51b4f05999b7010ececdd7d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/fizaxo/furapatonobevewutidezib.pdfIn PDF document text
- http://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f524.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF524 | 1528 bytes |
SHA-256: 64d53b4318ba7dc869bcefe2c6c56431e6e12bcaf96a32242cfa9e17b755ba3b |
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font_01_sfnt_off0000fcec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEC | 5392 bytes |
SHA-256: 241ffd06acca7dfa8fafd4d286bba1eec177472352971efd42f224ca9271124f |
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font_02_sfnt_off00010f1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F1D | 12680 bytes |
SHA-256: a1a95336a414f29f051841d98a7e73bf415dc131a97a3e60eec79ea0c6642145 |
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