MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The sample is a PDF file identified as malicious by ClamAV and an ML classifier. It contains a large number of external links, with one suspicious URL pointing to 'dugedepap.ru'. The PDF structure and the presence of numerous links suggest an attempt to manipulate search engine results or direct users to phishing sites. No scripts were extracted, but the PDF's nature implies it's part of a phishing or SEO spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9584
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://dugedepap.ru/strik?utm_term=how+to+use+table+d+in+statistics
- https://cdn-cms.f-static.net/uploads/4449783/normal_60292edaee565.pdf
- https://cdn-cms.f-static.net/uploads/4413455/normal_604cfc5007274.pdf
- https://cdn-cms.f-static.net/uploads/4415944/normal_602a36e220d1b.pdf
- http://tolenamesakeraw.22web.org/descriptive_statistics_for_data_analysis.pdf
- https://cdn-cms.f-static.net/uploads/4383445/normal_5fd734537dd32.pdf
- https://static.s123-cdn-static.com/uploads/4384048/normal_5ff54dbd592a3.pdf
- https://cdn-cms.f-static.net/uploads/4458137/normal_605f95eadeedc.pdf
- https://cdn-cms.f-static.net/uploads/4409997/normal_600b3e3207ec8.pdf
- http://www.ascendercorp.com/
- http://www.ascendercorp.com/typedesigners.html
- https://1138278f-e8d0-45ef-aef3-dbdd7428ac52.filesusr.com/ugd/5be868_032b843b29ab405c8a87527f857b5ff7.pdf?index=true
- https://598a1783-db1d-4ebb-96f5-d3ad23e1e090.filesusr.com/ugd/ae99eb_a5b2cc75794f45308606fa779c645165.pdf?index=true
- https://ff06b2c9-6223-4357-b4d5-1bf3807c749f.filesusr.com/ugd/717131_cd819ea3329740aca543b7721c91ef02.pdf?index=true
- https://ef5e9b3f-1a8e-4c79-9b60-34b8f8133c96.filesusr.com/ugd/18574e_1326829bde1045d4a56659a1ef6ba310.pdf?index=true
- https://c69a8150-bb1e-4c46-878b-fc1622391bd7.filesusr.com/ugd/cf91d6_4a167f5192354527b821b6a5a189039d.pdf?index=true
- https://348ddb29-83e1-4812-94a1-743b72ef9b42.filesusr.com/ugd/23b571_7d2b8c0c4c31459181019540039a1121.pdf?index=true
- https://836291d8-7b77-40db-be8c-3105928c7ef3.filesusr.com/ugd/aae074_ffd5645ae92c4ba68edebf5caced3f15.pdf?index=true
- http://godavuvexo.epizy.com/templates_in_mailchimp.pdf
- https://f856bbc4-01c8-45e4-8891-a53c5ee59fd0.filesusr.com/ugd/8e827e_e89c554e6f164299918fef6c1270579d.pdf?index=true
- https://bd7a0a6f-bbfd-49cc-ba41-c3f2778102d9.filesusr.com/ugd/9ea91e_a88713f95b034a17b74d672e1b667697.pdf?index=true
- http://tomosuromiv.epizy.com/american_english_file_4_workbook_free_download.pdf
- https://528a8416-53f4-4693-bcf0-540471887af1.filesusr.com/ugd/c3aa89_f478c6390e18437bb438bc732e0428da.pdf?index=true
- http://scripts.sil.org/OFL
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00016f17.bin587745a4de17818697e19983becf9b20b7a4cd27bafa25df8aa49d6d4a7c8a41 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16F17 | 5028 bytes |
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