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 0.9998
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://kuzutuzo.ru/123?utm_term=causes+of+bolshevik+revolution+pdf PDF link annotation
- https://gumevimarijefa.weebly.com/uploads/1/3/1/0/131071167/8f32ab7752e011.pdfIn PDF document text
- https://dawutika.weebly.com/uploads/1/3/1/4/131407504/sofujuzesujukevokuno.pdfIn PDF document text
- https://jajamavufivaz.weebly.com/uploads/1/3/4/2/134235884/fanem.pdfIn PDF document text
- https://rudiduwusoxu.weebly.com/uploads/1/3/4/4/134445317/761910.pdfIn PDF document text
- https://misajutedatid.weebly.com/uploads/1/3/4/7/134755713/709037913703.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4403806/normal_60b2b859b5e3c.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4425727/normal_5fcdb58a9a735.pdfIn PDF document text
- https://vogexuluvudo.weebly.com/uploads/1/3/2/6/132695782/3b009732a55a.pdfIn PDF document text
- https://diwopoko.weebly.com/uploads/1/3/4/5/134597367/mumawasexed.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://vibevekofano.pbworks.com/w/file/fetch/144654813/panudowovemijinosi.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a64df377-b063-43b5-ac50-c9fe71a0b133/john_deere_445_60_inch_mower_deck_parts.pdfIn PDF document text
- http://buvavipoluvu.pbworks.com/f/how_to_write_an_email_requesting_job_shadowing.pdfIn PDF document text
- http://lerepaxa.pbworks.com/f/multiplication_and_division_of_exponents_worksheet.pdfIn PDF document text
- http://najapenoz.pbworks.com/w/file/fetch/144647157/lometevoxatoxajezemenuzob.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/2386e5c2-d9da-442e-9980-71f239959f21/nagekusuvawav.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0925bd1e-d54a-4e36-ad19-0ea53060a772/62839649174.pdfIn PDF document text
- http://sipibujewadu.pbworks.com/f/buvudotu.pdfIn PDF document text
- http://xuresasadox.pbworks.com/f/how_much_does_drywall_finishing_cost_per_square_foot.pdfIn PDF document text
- http://duziruromeja.pbworks.com/w/file/fetch/144528279/fidipezitogowofowobenobu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a1caa400-ba74-40aa-9f11-b2ad70ca6d72/30729388669.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/85ea8971-1452-4b2f-8679-591c29866b53/dutugasomawomovoterokuf.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_off00019811.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19811 | 5300 bytes |
SHA-256: fbcfc2bce2c9ea10a70e57adf3f71c3ca26862b9ccceb661950433726dbc5faa |
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font_01_sfnt_off0001aa0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AA0A | 11028 bytes |
SHA-256: 19aabad31a5e4625ee680176505b97e4dfa16179435050ffef01751ae21e49f4 |
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