MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are to domains commonly used for hosting malicious content or for SEO link farms. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass of external links, and ClamAV detected it as 'Pdf.Phishing.Trojan'. The document body, though heavily obfuscated, contains references to 'Trane humidifier solenoid valve', suggesting a lure to disguise the malicious intent. The presence of embedded URLs and the link farm structure strongly suggest this PDF is designed to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.8223
Heuristics 4
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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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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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External URI info PDF_URIPDF contains an external URL action
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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://nipisod.ru/aws?utm_term=trane+humidifier+solenoid+valve
- https://latovadavubu.weebly.com/uploads/1/3/4/7/134716683/natonumesi.pdf
- https://nametipij.weebly.com/uploads/1/3/1/1/131164318/1ff3c6.pdf
- https://loguxofe.weebly.com/uploads/1/3/0/7/130775118/xaxiju.pdf
- https://satuvimafinob.weebly.com/uploads/1/3/0/7/130739393/a8b4c.pdf
- https://static.s123-cdn-static.com/uploads/4444622/normal_600738555839f.pdf
- https://nuguserofaj.weebly.com/uploads/1/3/0/9/130969707/xakoriwiwejawemoru.pdf
- https://cdn-cms.f-static.net/uploads/4409630/normal_600e03172a3c1.pdf
- https://cdn-cms.f-static.net/uploads/4416149/normal_600ff832a7f19.pdf
- https://rasetevipumi.weebly.com/uploads/1/3/4/7/134714044/1321704.pdf
- https://cdn.sqhk.co/dalubevemex/hahhsHa/gexorofakukabafixonezek.pdf
- https://cdn.sqhk.co/gisusisabez/jjuPijd/lojumijiranuneniv.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://s3.amazonaws.com/bupesejirijejus/jenilimuzipaguxelogumin.pdf
- https://4328a374-8b5c-4134-9cef-e132ca5fc89d.filesusr.com/ugd/6732b1_374af087ebc342a68a545ba9137e0b95.pdf?index=true
- https://s3.amazonaws.com/nonabafat/animal_crossing_animal_guide.pdf
- https://adc67df4-9ac4-4169-8225-f8d60376216a.filesusr.com/ugd/a1c2c7_3202c9115d974382b7e894e1a7805937.pdf?index=true
- https://6ce95562-7558-49ee-a7b0-b3003db3b0e9.filesusr.com/ugd/d13e1f_bb47159795f34c488ee835ee5d377e8e.pdf?index=true
- https://a79fbd7c-12a6-44fe-9d3c-43dc2b0795a8.filesusr.com/ugd/f95141_4219366d2a864d7e8c64e4c304abe6a1.pdf?index=true
- https://s3.amazonaws.com/sutawowirosuvuv/bongo_drum_information_in_english.pdf
- https://s3.amazonaws.com/sefukirexuwekij/64097150049.pdf
- https://8533cbf3-c0d6-400c-bdf8-8ca38cf0242b.filesusr.com/ugd/135178_50aeb0866b4b48f2812137504c7e1f61.pdf?index=true
- https://s3.amazonaws.com/xalasawu/buderus_gb172_t50.pdf
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ede8.bin1d30944b94d3df7d27a31f10327ca5eded9ce1beaa812e51f4d86ac43a8bb01e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDE8 | 4956 bytes |
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