MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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=3d+tuning+app+for+android PDF link annotation
- http://labifovejes.mypressonline.com/86156100489.pdfIn PDF document text
- http://nitesufi.sportsontheweb.net/dikigobijovogudalog.pdfIn PDF document text
- https://nifirasevaxo.weebly.com/uploads/1/3/4/7/134756957/bigozelesojifana.pdfIn PDF document text
- https://faliroralomi.weebly.com/uploads/1/3/0/8/130874474/ziwami.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4394061/normal_5fd2028324a8d.pdfIn PDF document text
- https://bazopozetera.weebly.com/uploads/1/3/1/6/131637116/2752378.pdfIn PDF document text
- http://janafan.scienceontheweb.net/81140970502.pdfIn PDF document text
- https://rexekimat.weebly.com/uploads/1/3/4/0/134017736/ximeroxupefibomot.pdfIn PDF document text
- http://jepenufi.getenjoyment.net/sanedixovejedazipijun.pdfIn PDF document text
- https://wuwosafojopog.weebly.com/uploads/1/3/1/4/131407683/ladireduza.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454055/normal_5fdf009630e0f.pdfIn PDF document text
- http://vevaroda.scienceontheweb.net/base64_decode_php.pdfIn PDF document text
- http://zonizubiro.getenjoyment.net/vehicle_dynamics_stability_and_control_dean_karnopp.pdfIn PDF document text
- http://wozupabalaviv.medianewsonline.com/nanadamonoregijatijabiron.pdfIn PDF document text
- https://talipugetajizan.weebly.com/uploads/1/3/4/8/134862074/komozilo-muroxaxumenised.pdfIn PDF document text
- http://jefevivavifax.scienceontheweb.net/18500692757.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- http://wetizizokixo.epizy.com/amnesty_scheme_2020_maharashtra_vat.pdfIn PDF document text
- http://bixogonabu.epizy.com/19880467451.pdfIn PDF document text
- http://judixipe.epizy.com/cisco_cp-8841_headset_adapter.pdfIn PDF document text
- http://jexukavelewin.rf.gd/basic_mathematics_concepts_download.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001d0de.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D0DE | 4832 bytes |
SHA-256: aa0ac5492d1504e70542df24b85581bcf95a1f17c2a6d9cca0177462f20a907d |
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font_01_sfnt_off0001e146.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1E146 | 11340 bytes |
SHA-256: ede2536f758e37ff7ff23101b5fb35d5b58e463138ace52bbeb57928bf1c5006 |
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font_02_sfnt_off0002074c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2074C | 4324 bytes |
SHA-256: b50a2106bf82917db0cd3cf88f63c5e8cc3298b343ace5cffc591b35df33d24c |
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