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 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://resalured.ru/123?utm_term=descargar+apk+aduana+de+cuba PDF link annotation
- https://cdn.sqhk.co/toxaxiked/hfjjtjb/messages_app_download_free.pdfIn PDF document text
- http://nuwenipo.22web.org/wuledaronet.pdfIn PDF document text
- https://cdn.sqhk.co/rabuvimi/whdjfhc/garfield_nj_food_truck.pdfIn PDF document text
- https://cdn.sqhk.co/resasenubori/hSjaih7/boledimebewejik.pdfIn PDF document text
- https://cdn.sqhk.co/fapetemiji/higsTM8/tornadoes_in_florida_2019.pdfIn PDF document text
- https://cdn.sqhk.co/jelasusoved/chbhigd/pisawa.pdfIn PDF document text
- https://cdn.sqhk.co/fugolamudara/Xugc3aO/gafarazesedexoxagiviv.pdfIn PDF document text
- https://cdn.sqhk.co/bijukipuj/ijAAjea/50676680405.pdfIn PDF document text
- https://cdn.sqhk.co/menidume/hcidjjo/aws_glue_cost_and_usage_report.pdfIn PDF document text
- https://nimafomu.weebly.com/uploads/1/3/2/7/132710507/5064835.pdfIn PDF document text
- https://dufubixapitosig.weebly.com/uploads/1/3/4/5/134503348/0cf84d4c.pdfIn PDF document text
- https://cdn.sqhk.co/jufenakajo/ctWxGhf/microsoft_365_education_licensing_guide.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/zobuwubedak/rupezuzuke.pdfIn PDF document text
- https://s3.amazonaws.com/fapaga/spiritualized_lazer_guided_melodies_t_shirt.pdfIn PDF document text
- https://d62ff7d9-aefc-4ab8-8cdf-af38868aea16.filesusr.com/ugd/54b9a1_606e89f11f164899805d680e87230d7f.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/tokudapele/71428559898.pdfIn PDF document text
- https://02314edc-d025-420b-9d62-795437f25c47.filesusr.com/ugd/4f0fc1_40afd0e93df74aaf91f9b01e9189f4cc.pdf?index=trueIn PDF document text
- http://rapabilalame.rf.gd/42020621324.pdfIn PDF document text
- https://59b7e61f-9850-45ee-add2-e9646db267e4.filesusr.com/ugd/5b9365_00b7c82288a54b8b8978b094349e850b.pdf?index=trueIn PDF document text
- https://fad58b31-c538-4d3f-828d-7998eec853b9.filesusr.com/ugd/7e6083_cb36ebd1fdf443a3a63edb4e72d34176.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/wujapu/13445032729.pdfIn PDF document text
- https://b70645e9-42d7-44c6-80f2-f165c8819e8d.filesusr.com/ugd/3f1130_82aa55d596764a23826f8bf8992abd1d.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lakujusitejojet/wuwekuwekanukokewi.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_off0000cbd5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBD5 | 5412 bytes |
SHA-256: 7cf77181b8aa8d8d41ce32bb135c8eeece0c8b53ab68e69b38d7e9d8b7f77a8b |
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font_01_sfnt_off0000de54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDE54 | 11304 bytes |
SHA-256: 519751a7c5e7b54bf23ae9d1979d74426cedd31ee2908c912c53c8ce1df6f9f3 |
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