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://leonvi.ru/wix?keyword=gregg+reference+manual+online+pdf PDF link annotation
- https://cdn.sqhk.co/balapakufogo/eSgjQUe/sogebank_routing_number.pdfIn PDF document text
- https://cdn.sqhk.co/noperizapewo/MhfCgdf/jazz_super_weekly_max_internet_package.pdfIn PDF document text
- https://cdn.sqhk.co/pewowutefiw/TifgXp2/decision_tree_template_google_docs.pdfIn PDF document text
- http://xavesusefowale.mywebcommunity.org/autodesk_autocad_architecture_2020_fundamentals_download.pdfIn PDF document text
- https://cdn.sqhk.co/xejudawadoni/hj9sOZg/wiluz.pdfIn PDF document text
- https://cdn.sqhk.co/gituridewo/hjpmzVL/boulangerie_patisserie_paris_18.pdfIn PDF document text
- http://ziwusis.getenjoyment.net/b._tech_marine_engineering_syllabus.pdfIn PDF document text
- https://ramageputa.weebly.com/uploads/1/3/1/6/131637054/2341249.pdfIn PDF document text
- https://jifalefowa.weebly.com/uploads/1/3/4/7/134733665/d30b0.pdfIn PDF document text
- http://lunatan.medianewsonline.com/antivirus_definition_and_types.pdfIn PDF document text
- http://xilexevu.scienceontheweb.net/93828671816.pdfIn PDF document text
- https://nufomesamibu.weebly.com/uploads/1/3/5/3/135332564/lofularetaji.pdfIn PDF document text
- http://joxezorov.mywebcommunity.org/builder_design_pattern_in_java.pdfIn PDF document text
- https://cdn.sqhk.co/gufojakig/ehejeWH/falowezimasikefe.pdfIn PDF document text
- https://cdn.sqhk.co/refevebux/qWBibLx/hydro_dipping_crocs_with_spray_paint.pdfIn PDF document text
- http://birebap.scienceontheweb.net/loxixakifabu.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/37d48b86-22da-4f1c-8656-5227f3de6ce3/boseva.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cf4332ab-b816-4b7c-b792-435baac7df22/36584772218.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f672c037-1a85-47f9-93db-2900161001cc/how_to_clean_inside_glass_door_of_wolf_oven.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/02a6444c-7732-4b9d-871b-68fa3212635f/how_to_manage_stress_in_your_life.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_off0000e5a0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE5A0 | 5328 bytes |
SHA-256: 823332c23cb48081ede1d22a564a0f1fc5452429ccced11b2bcacef523ba0615 |
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font_01_sfnt_off0000f7b1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF7B1 | 11348 bytes |
SHA-256: 3eea747df87b920e7fcc06cd3b85d03051beca0c035c23611d318353d376e808 |
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