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-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://jacksth.ru/123?utm_term=rival+stars+basketball+hack PDF link annotation
- https://cdn.sqhk.co/niririga/jgyePMm/47120285781.pdfIn PDF document text
- https://tulalesin.weebly.com/uploads/1/3/4/8/134876190/5fa1b94e6d9b.pdfIn PDF document text
- https://risimapi.weebly.com/uploads/1/3/4/3/134321435/ac6b12b.pdfIn PDF document text
- http://mikrotikwizard.com/muxaw9js3z.pdfIn PDF document text
- https://givolejemaxo.weebly.com/uploads/1/3/5/3/135345859/xanovilakido.pdfIn PDF document text
- http://aarbuz.space/930130374091rtrb.pdfIn PDF document text
- https://cdn.sqhk.co/sarunasol/dodndhh/zulebesigaxanikegura.pdfIn PDF document text
- https://jufozafofover.weebly.com/uploads/1/3/6/0/136050361/6842240.pdfIn PDF document text
- https://cdn.sqhk.co/gujowaxexag/NggjjaW/bibibuvufa.pdfIn PDF document text
- https://cdn.sqhk.co/besudamuge/gohekmQ/28798152579.pdfIn PDF document text
- https://cdn.sqhk.co/videbamez/U1KHgiL/router_mobile_3g_r1000.pdfIn PDF document text
- https://gilaxaled.weebly.com/uploads/1/3/1/4/131438091/fujixa-dixejojum-ladoxe.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://cdd249b8-77b1-4a94-b024-8995efe4d959.filesusr.com/ugd/d394ff_c0c4861e3bba430fad87199429a61ea3.pdf?index=trueIn PDF document text
- https://c145ee04-3c3b-4786-8b94-e0511401b322.filesusr.com/ugd/de65f7_69c5d2afe51f47cbb4271b95faec8735.pdf?index=trueIn PDF document text
- https://6e678f60-abc6-404c-883a-cd1729fdffee.filesusr.com/ugd/e4291f_4e648ca574474c00b4354e93b6da889c.pdf?index=trueIn PDF document text
- https://3064a0a7-8496-4b95-be1e-56094aee372f.filesusr.com/ugd/0cf4b9_93cde654bd2041119a8ee26e8f4f6d4d.pdf?index=trueIn PDF document text
- https://ede8a7a3-2377-4e09-926a-401222b31c25.filesusr.com/ugd/81c89d_4b147a6d2bb44777b425d144734622eb.pdf?index=trueIn PDF document text
- https://08202b68-adf4-4b7d-bb06-fcebe54c78b8.filesusr.com/ugd/76dd3d_827a97764d894f13aeec7f01b48d1442.pdf?index=trueIn PDF document text
- https://d2d87fd5-5f4d-49aa-ab3c-2263ce4b5d22.filesusr.com/ugd/9169d2_c5569c4274124fc9b664b043fca9bd98.pdf?index=trueIn PDF document text
- https://0fecb50d-c8db-4b5c-a67e-01a13b1c0e9a.filesusr.com/ugd/da7c2d_74873de3011b4d9b9427d1d70a671c43.pdf?index=trueIn PDF document text
- https://e22e8d81-f41f-4d51-abb1-39b19d2d32bb.filesusr.com/ugd/96bf9d_b04abe7febb34e508f2e66ba22c806a1.pdf?index=trueIn PDF document text
- https://77bac38d-831a-46d6-8f22-d7743fcadc58.filesusr.com/ugd/5b9a87_c9a2f29ad21a46ceb911925d1569bdf3.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_off0000db72.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB72 | 5156 bytes |
SHA-256: bb2714952aed16d62c7d7f461c6a4bc6978353d0c98b804c864de7637b045742 |
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font_01_sfnt_off0000ed01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED01 | 11248 bytes |
SHA-256: 66882f3ecc254c4207fb5b88d39e539d5fdd276bb30b6626e636709677dc6c28 |
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