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://vilenefex.ru/123?utm_term=instrumental+background+music+free++wav PDF link annotation
- https://kilejotiwig.weebly.com/uploads/1/3/1/4/131406519/986300.pdfIn PDF document text
- https://wozizagozesa.weebly.com/uploads/1/3/4/8/134848764/denej_nirisiv_fetares_lijapabasikogu.pdfIn PDF document text
- https://tinutenuku.weebly.com/uploads/1/3/4/6/134664278/babigesiwonep-bolug.pdfIn PDF document text
- https://tuxiwuke.weebly.com/uploads/1/3/4/6/134611110/fadukuzegelatof-vobemuwema-gokizomodibuki.pdfIn PDF document text
- https://dekajemo.weebly.com/uploads/1/3/1/4/131453049/wowosoredom.pdfIn PDF document text
- https://cdn.sqhk.co/bapisolel/jjbighi/tefazedoferaseruzowop.pdfIn PDF document text
- https://puluzoxaxidu.weebly.com/uploads/1/3/2/6/132683087/tovofekuvowugav.pdfIn PDF document text
- https://mezemefi.weebly.com/uploads/1/3/1/3/131384279/9192445.pdfIn PDF document text
- https://cdn.sqhk.co/fekoguwiwu/hdyihJC/kozojovoxunijajavusoku.pdfIn PDF document text
- https://buvijolijesikuv.weebly.com/uploads/1/3/4/6/134602818/dopijakafojux.pdfIn PDF document text
- https://cdn.sqhk.co/rolidofajug/Xiii2EY/boomerang_cartoon_app_review.pdfIn PDF document text
- https://cdn.sqhk.co/xusozapovu/IchfNjj/inshot_video_editor_hack_apk.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://lezegunotoxom.rf.gd/blood_stains_on_bed_sheets_causes.pdfIn PDF document text
- https://s3.amazonaws.com/xasovewipeje/nowuwugifof.pdfIn PDF document text
- https://s3.amazonaws.com/xisakazelelinim/xatowudusemojupad.pdfIn PDF document text
- https://05b56818-8b0b-4484-a411-4f1234233f1c.filesusr.com/ugd/e49726_a71f3bf710f94a3ea3f5187b0dd8fa9e.pdf?index=trueIn PDF document text
- https://45dcde1a-aed5-4138-b95e-a0f768a283bf.filesusr.com/ugd/89441e_2d2a9cc37a5945178511d564897960f9.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/defipedibe/98483311434.pdfIn PDF document text
- https://da89e6ec-52f9-4c28-8de8-447a2e923c0c.filesusr.com/ugd/5e5b2a_76952ab0e7424f3b9026e670dcdc6046.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/vefagotoje/how_to_do_born_haber_cycle_calculations.pdfIn PDF document text
- http://duposavolat.rf.gd/20811665142.pdfIn PDF document text
- https://0ed7c29b-d5f2-4290-8b47-add6aa38300d.filesusr.com/ugd/32a223_8cef3f64e2474e57956d797b395851fd.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_off0000fbf4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFBF4 | 5632 bytes |
SHA-256: 0731cfa2eeb93b58ab6f3a94ae84be4d498b9d1426ed6ca72eb48e00ef1a32a5 |
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font_01_sfnt_off00010f1e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F1E | 10312 bytes |
SHA-256: 1b7386bd028642bd74ff512ae2a8f7e5b5363880ed427f2267bebbdaf2484fa8 |
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