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 0.9993
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://pelibifir.ru/strik?utm_term=how+to+start+a+formal+authorization+letter PDF link annotation
- https://diwetipitas.weebly.com/uploads/1/3/5/3/135327042/kagalor.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445320/normal_603c4c9292eb9.pdfIn PDF document text
- https://zademufexek.weebly.com/uploads/1/3/4/7/134765537/nezivot.pdfIn PDF document text
- https://sinevojixataxer.weebly.com/uploads/1/3/4/1/134131740/nilalemomigoma_tolefiji_retowiwepiwafu.pdfIn PDF document text
- https://fixesotufo.weebly.com/uploads/1/3/4/6/134681436/84ee12b3269.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413242/normal_5fe501c18bffb.pdfIn PDF document text
- https://kolivobaka.weebly.com/uploads/1/3/4/5/134500933/wimuxej.pdfIn PDF document text
- https://kofagegupuk.weebly.com/uploads/1/3/2/3/132302723/3cf4dfecb2cf.pdfIn PDF document text
- https://gorejirulikem.weebly.com/uploads/1/3/4/7/134738880/nipewemiduvovi_zaxugude.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4451221/normal_60280f2fa76c5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4479942/normal_602fd8ad8a0ad.pdfIn PDF document text
- https://xexijezukivox.weebly.com/uploads/1/3/0/8/130874296/daxuvod.pdfIn PDF document text
- https://butitonivo.weebly.com/uploads/1/3/4/3/134314214/e29a8657ac1e9.pdfIn PDF document text
- https://jimakujomeda.weebly.com/uploads/1/3/4/4/134438408/mumetovenakaso_walevepux_fejivitiro_vavifum.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380384/normal_6011b029b1997.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/0200a462-748a-4d66-a3b6-610e8914c205/circle_theorems_worksheet_gcse.pdfIn PDF document text
- https://s3.amazonaws.com/tokafanawa/15692797646.pdfIn PDF document text
- https://s3.amazonaws.com/lemefofutomapox/xogaxadumesixewowu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/186af597-a535-431e-95bc-92054f577ec7/how_to_clean_purist_water_bottle_cap.pdfIn PDF document text
- https://s3.amazonaws.com/xufaxoferugod/fopezebas.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/79cf5bbb-2ed0-40cf-af3d-7ef5fde9f7fd/xobegajikenakatu.pdfIn PDF document text
- https://s3.amazonaws.com/safago/detroit_diesel_series_60_fuel_system_diagram.pdfIn PDF document text
- https://s3.amazonaws.com/senodiw/dilemexiridolulunadorub.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_off0000ed05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED05 | 5108 bytes |
SHA-256: 9747ea054026b9d24798aedd096459b8e288722fbf44a6ff2fa9a29f8a3a4aa2 |
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font_01_sfnt_off0000fe4c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE4C | 10508 bytes |
SHA-256: 384bbe6cd758601c8de0d6acdd8aaa144b593ac67f404f2c1de7aea291ffaf0e |
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