MALICIOUS
194
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. It uses an invoice-themed lure. 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 0.9993
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://soxebez.ru/strik?utm_term=accounting+terms+for+expenses PDF link annotation
- https://roxowuvunesoneb.weebly.com/uploads/1/3/4/8/134889799/buxajas-fogise-bazomufenedatem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456398/normal_606cef6758870.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4487208/normal_60332edf26c2c.pdfIn PDF document text
- https://wilulesutazi.weebly.com/uploads/1/3/3/9/133997377/vazekufefopu-gewemojuzulediz-vabor.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500670/normal_5fd0a0d257e6a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4485450/normal_602aa7d8017ef.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367271/normal_5fd2023ea75de.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470683/normal_6023ccb21ac57.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4421214/normal_6045c91146cd7.pdfIn PDF document text
- https://dapavivilo.weebly.com/uploads/1/3/4/8/134895477/ditevawexonesupol.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4423137/normal_6048251c708e0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4493876/normal_6020811dbb34f.pdfIn PDF document text
- http://sozetil.66ghz.com/salon_flyers_template_free.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4450337/normal_600d30f4ed40b.pdfIn PDF document text
- https://vaxejoxumede.weebly.com/uploads/1/3/5/3/135346770/9482427.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4468294/normal_5fe798f6223cc.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://sotenuzalarabi.epizy.com/madanakimodaliwiguruv.pdfIn PDF document text
- https://dd67658a-cc17-4e1c-bca5-42bf299a485b.filesusr.com/ugd/07a440_6e9c38aa4cfe4b31bfae114b768cb3bc.pdf?index=trueIn PDF document text
- https://5f90d536-2a72-4461-adff-280afd3056cb.filesusr.com/ugd/27c394_c63bffb29c674f979ea99cf8e3497c70.pdf?index=trueIn PDF document text
- http://pirafabitibabik.rf.gd/autocad_printer_mac.pdfIn PDF document text
- http://mijunuwe.epizy.com/android_6_root_without_pc.pdfIn PDF document text
- https://bf130ee1-1463-4c69-9604-1b23772ced92.filesusr.com/ugd/b4609a_6c398782a4c94fb8b40bd199ee9f5b7f.pdf?index=trueIn PDF document text
- https://05f6fcc2-a4c7-4d5b-b58c-97b640a93f4d.filesusr.com/ugd/74147a_031f8d57022b466c89efcb0b495021e4.pdf?index=trueIn PDF document text
- https://c4647614-9ff8-4b00-b819-08dc938bd166.filesusr.com/ugd/5d3f24_cfdaee815aa54028a9b364f9aa2671fe.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_off00010fc9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC9 | 5152 bytes |
SHA-256: 2a6a189979ae875f7d207f3f669fb5794f6b2580af985c6ae0fe988283ef3f06 |
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font_01_sfnt_off00012150.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12150 | 11256 bytes |
SHA-256: ee4c300b83d4a1ff2f2d96c646b14373a8b8a562233e6ddebd0e3ababe38a5a9 |
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