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. The file embeds a large number of external links characteristic of an SEO link farm and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://bologen.ru/strik?utm_term=sans+twenty+critical+security+controls+for+effective+cyber+defense PDF link annotation
- http://xofebuledat.scienceontheweb.net/latitude_3400_specs.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4456387/normal_606768999a9e3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4466673/normal_6061e3c4e2686.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4447433/normal_60445d3d437cf.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4483586/normal_6025c12d511a9.pdfIn PDF document text
- http://matizaw.mywebcommunity.org/arcgis_10_arcmap_tutorial.pdfIn PDF document text
- http://sopugepibimel.mypressonline.com/editing_documents_online.pdfIn PDF document text
- http://vawurabel.mygamesonline.org/zulesewomadag.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4496812/normal_5fd9897057aa4.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://7d774c08-2985-4571-b318-c74588a3bf44.filesusr.com/ugd/4c76bf_cbd1aa3b811d48b3a7db00ebbbe0457a.pdf?index=trueIn PDF document text
- https://fa90eb46-aa9b-4fd1-a2e8-e903ec8e50a4.filesusr.com/ugd/575fb0_61e815f2b7734d6593800b447863b2ec.pdf?index=trueIn PDF document text
- https://2d841ef3-a248-4e6a-996b-2d54d6713fdd.filesusr.com/ugd/1decf9_50cd4a655e2c480a8bb844d26df37616.pdf?index=trueIn PDF document text
- http://gudugapapilile.atwebpages.com/40454863766.pdfIn PDF document text
- http://wufagezigedo.onlinewebshop.net/73908162195.pdfIn PDF document text
- http://zotubune.myartsonline.com/accuair_e-level_touchpad_controller_manual.pdfIn PDF document text
- http://pubegidunelu.epizy.com/brandywine_boutique_bbb.pdfIn PDF document text
- https://06e27459-8a58-4d01-a48e-f853eab966f6.filesusr.com/ugd/55f1a0_8fd85cbd38e94406921d14460f7200fb.pdf?index=trueIn PDF document text
- http://dupizorof.rf.gd/79132771544.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010362.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10362 | 5512 bytes |
SHA-256: b6c3e6734b55293562cc592ae2f10f54185ca35a123b8630b1ff2b80101f7fc9 |
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font_01_sfnt_off00011647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11647 | 10616 bytes |
SHA-256: 7178af3290a3396bf8ae445e5ab849464394253551b41dab9e2c172daa1a5023 |
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font_02_sfnt_off00013aa4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13AA4 | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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