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 0.9997
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://botokaw.ru/award?keyword=msc+biotechnology+resume+pdf PDF link annotation
- https://padubutidosose.weebly.com/uploads/1/3/3/9/133997835/najomesur.pdfIn PDF document text
- http://xejepurefe.scienceontheweb.net/50_liters_of_oxygen_is_what_percentage.pdfIn PDF document text
- https://jizexukufi.weebly.com/uploads/1/3/4/1/134109318/komevevagomof.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4453901/normal_60143cebd258b.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500201/normal_6026799258301.pdfIn PDF document text
- http://kejoxemubogese.mywebcommunity.org/89467219784.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4499309/normal_6053ecafc019b.pdfIn PDF document text
- https://nitevugumosu.weebly.com/uploads/1/3/4/5/134526644/bovuwawatipap-ludezapajitin-maferen.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://luzojora.atwebpages.com/stored_program_concept.pdfIn PDF document text
- https://b2bd4247-5771-4f9a-9f3f-b46500bff287.filesusr.com/ugd/f41bfe_e36a59c2d2d6476dbccfa43bd700f668.pdf?index=trueIn PDF document text
- https://7f2467c6-0d80-4e38-8df7-27624e0b9669.filesusr.com/ugd/e19533_91850392d9f54e7bb5a5b0947063dab9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/liwafo/makedonsko_devojce_sheet_music.pdfIn PDF document text
- https://e5b7f393-9b83-42c5-a877-5b85c0c772c8.filesusr.com/ugd/77b42d_ac8bee911f384aa18863fabc1ab724fb.pdf?index=trueIn PDF document text
- https://8eefcaf3-52f5-4123-8be5-b1f0aaeea45e.filesusr.com/ugd/1d3654_397e4564944e458b8989be101a7a1e8d.pdf?index=trueIn PDF document text
- https://f77c8dad-41d7-4a8f-8d8d-c05149a3a236.filesusr.com/ugd/36d413_62f89f497792425da943a763308d2ef0.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/benuka/90255727581.pdfIn PDF document text
- https://aefbb2f1-1cfc-4a48-aab2-d72547d84173.filesusr.com/ugd/2f3ac6_3eabef16c3454f56b1611f099590eceb.pdf?index=trueIn PDF document text
- https://081e7fb2-604d-424b-9b75-a58d54a71a44.filesusr.com/ugd/abd6ea_6811eeec2b8946a9b8084cc2fe4e7ac8.pdf?index=trueIn PDF document text
- https://7b4e975e-109f-4397-a679-93e438ff1453.filesusr.com/ugd/c33f71_8890a86ddf074b6fbfea52b22a565c6c.pdf?index=trueIn PDF document text
- https://44879a12-c10a-431c-a98a-7de142752d0f.filesusr.com/ugd/bb4607_5f291d454de14ec48f4846b6c4932651.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wukara/beginner_english_speaking.pdfIn 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_off000124c4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124C4 | 5608 bytes |
SHA-256: 1bed12894e7768aac04d70236fcaa7abdb6e598235c4a6c8ecb53907b8c4a3a8 |
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font_01_sfnt_off000137bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137BF | 12156 bytes |
SHA-256: 261f9f6f9c3ea139871c734fb7ad28294bb6619e63b55ab19f20c3f9137ab8b8 |
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