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 0.9997
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://zajinet.ru/award?keyword=occipital+nerve+block+procedure+pdf PDF link annotation
- https://tapogizixe.weebly.com/uploads/1/3/4/8/134897788/8640239.pdfIn PDF document text
- http://kizunawinim.getenjoyment.net/95731459720.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424981/normal_60236f86a65e5.pdfIn PDF document text
- https://riwusivi.weebly.com/uploads/1/3/4/9/134900433/4603a806cca2552.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478134/normal_6028a361c82c8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379032/normal_5fdeda9201035.pdfIn PDF document text
- http://nonly.xyz/65542201408vf80.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4481830/normal_601fe9610c883.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374203/normal_604621ae74941.pdfIn PDF document text
- https://jimusojimewem.weebly.com/uploads/1/3/5/3/135351043/1802960.pdfIn PDF document text
- http://mosquito.codes/run_button_disabled_android_studioubtcb.pdfIn PDF document text
- https://sojabejob.weebly.com/uploads/1/3/4/8/134890412/4520239.pdfIn PDF document text
- https://domilejoxu.weebly.com/uploads/1/3/4/5/134529458/kaxorola-jarof-pujomoderopa.pdfIn PDF document text
- http://fukiwurezopukof.mywebcommunity.org/sapajajubikudeseba.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/zopenave/24547849259.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/9a23cbb3-75af-482d-91a8-7a91d3c7a318/how_to_disassemble_nordictrack_treadmill.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/05596375-36e6-4a86-816c-53c0f9af96ad/41799102244.pdfIn PDF document text
- https://s3.amazonaws.com/wazagidonux/99014385127.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fc9f3fce-6c4c-4b1c-adfd-8226c5588442/applications_of_big_data_analytics_ppt.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c4f62a73-f2c7-4f19-8bd5-49b96c74f657/dark_souls_2_release_date.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d29e8aab-f42a-4d8d-be7e-3a46767b9dd9/sapusawijopu.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_off0000ec32.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC32 | 5264 bytes |
SHA-256: 95b173c411fd58f24da3854389d083d1e0245e21d2537e959af058cb94c0c373 |
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font_01_sfnt_off0000fe29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE29 | 10684 bytes |
SHA-256: 1e151cc777b6cbe88fad6c900b90aa58b26bdda6b1a13ecc0e8915f41bb62582 |
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