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 0.9996
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://baarspo.ru/strik?utm_term=how+to+expose+someone+on+social+media PDF link annotation
- https://cdn.sqhk.co/sesijisova/rzUjbii/tamil_cartoon_tv_shows_download.pdfIn PDF document text
- https://cdn.sqhk.co/rixutixim/ied5OaR/go_karts_orlando_outdoor.pdfIn PDF document text
- http://ndfnasg.xyz/what_is_the_zip_code_for_my_location0uhx6.pdfIn PDF document text
- http://changepass.online/ukulele_strumming_patterns_4_4d4fg6.pdfIn PDF document text
- http://8gusevshop.website/mofopomuwinobisunobixopad9i1xa.pdfIn PDF document text
- https://cdn.sqhk.co/kagitenoru/hbEgfgc/top_hits_2020_list.pdfIn PDF document text
- https://cdn.sqhk.co/wajerewuwer/Fjeicgf/21384735869.pdfIn PDF document text
- https://cdn.sqhk.co/monasomeb/jfV5hip/gimobezegasaw.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://77701ba7-c5ad-4750-ab17-5b03548f7fc0.filesusr.com/ugd/9a242c_1e126cedfe61478fb273113c9bc39f11.pdf?index=trueIn PDF document text
- https://c4bedd8b-a3e9-4aa8-9751-a6fde4035b7e.filesusr.com/ugd/037f08_99a7f78f7c8844e19b784d6600325624.pdf?index=trueIn PDF document text
- https://8e0cabef-d481-4215-b437-8a5fc4e4723c.filesusr.com/ugd/f41140_453d6ac7759b40ffaf7ff17ff9b6b27f.pdf?index=trueIn PDF document text
- https://574dee49-ee40-4737-ae02-340ce2b26f9d.filesusr.com/ugd/b44cf7_72393e21e9ca46c89e663b6a24ddc706.pdf?index=trueIn PDF document text
- https://36c7e617-1221-4173-b726-d5bce2878801.filesusr.com/ugd/610d21_83992f7031034844b453c8d86c6db2c8.pdf?index=trueIn PDF document text
- https://61736296-a7da-4228-a4f2-5a582bd9a3aa.filesusr.com/ugd/1c12ee_c721109928c74de2b3005fa6b31fa5a3.pdf?index=trueIn PDF document text
- https://3d3b31fc-6152-41c7-b1d4-a4af3afcce63.filesusr.com/ugd/3f8d85_0b1b1b60865c4476bf8c4814942e71cc.pdf?index=trueIn PDF document text
- https://94226b1b-8363-4ad6-a779-e61b7b16ff5b.filesusr.com/ugd/b3bc21_928a863e5e5d453bbf0295d61ab178d2.pdf?index=trueIn PDF document text
- https://5663e088-3595-439c-971a-5873693bee35.filesusr.com/ugd/e98895_7c9a01c12f0941ba87082c0218bc0d6e.pdf?index=trueIn PDF document text
- https://51f47fa2-20f7-4ec4-bb91-8ae4aee689b4.filesusr.com/ugd/917232_e7df117ff1f34ea5a0b78be1a9b7ca29.pdf?index=trueIn PDF document text
- https://c36efdde-2309-4ce2-a10d-b6df2ce12cd8.filesusr.com/ugd/e98059_183a1f36d8f94ccca9ebd8cc77123aa3.pdf?index=trueIn PDF document text
- https://ced6af22-cf5f-4df0-9cd6-2d424634d287.filesusr.com/ugd/3eed2b_1f5b30560bc04980b905f184c095ad32.pdf?index=trueIn PDF document text
- https://92fa68c6-d088-48c5-94d9-776fe0504fc0.filesusr.com/ugd/5a053b_ef7460a32f2f4b7481e40857468ee31a.pdf?index=trueIn PDF document text
- https://467375c7-a7a6-4806-a9b7-892c2a528f89.filesusr.com/ugd/911174_fe158ce0b317430689dab9e782e37273.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_off0000edfa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDFA | 5244 bytes |
SHA-256: d9628adcac229e42b04f05c9985812ee8fc70a0bda8fd30a23bf111f012be579 |
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font_01_sfnt_off0000ffd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFD0 | 10940 bytes |
SHA-256: 2bb3160750719729a97d354ed418b7f6f7ab1c561fae67bfeaee694770cf6ca9 |
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