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 0.9987
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://xajibur.ru/strik?utm_term=first+alert+model+sc9120b+3+chirps PDF link annotation
- https://cdn-cms.f-static.net/uploads/4388612/normal_6058d0b890948.pdfIn PDF document text
- http://sale20.site/800480965218xhju.pdfIn PDF document text
- http://help-business-media.com/operaciones_con_distintos_tipos_de_funciones_en_matematicaspqhpn.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480756/normal_602817b8deac5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4373987/normal_603e514f75f6a.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426966/normal_5fdc0aa6ef258.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393026/normal_6044db2fdf3dc.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409110/normal_6036a3f81bb2a.pdfIn PDF document text
- http://mscgis.net/tugas_dan_fungsi_penyuluh_agama_islam2juwy.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4366401/normal_60174768650e9.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498986/normal_5fdd1cd234394.pdfIn PDF document text
- http://fovikoxesaweziz.medianewsonline.com/baterizizusolem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4478926/normal_6038b9af34a28.pdfIn PDF document text
- http://kokulotasuz.mygamesonline.org/electronic_technician_job_description.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4465144/normal_605869a319d57.pdfIn PDF document text
- http://tumbochka.space/4130659452u6f9d.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://s3.amazonaws.com/xupizewuxere/sexuluxifalofetizosina.pdfIn PDF document text
- https://6200e599-3f2f-4e3e-ab45-e6977ed7e777.filesusr.com/ugd/f8de3e_42ca644728b24dcf826e0427b72e6eb1.pdf?index=trueIn PDF document text
- https://bd15da75-ee01-4ad3-8b22-4778d9929f37.filesusr.com/ugd/1abc29_2a286c68833e41ce900f9d8e6190268e.pdf?index=trueIn PDF document text
- https://01dc7cc6-b8ed-446e-8cc8-1ad78882ed38.filesusr.com/ugd/e23fbb_510bac38e48d4bcfbbcbf2a897f36edc.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/senodiw/how_to_get_data_science_internship.pdfIn PDF document text
- https://s3.amazonaws.com/pajeriramal/hunter_games_free_for_pc.pdfIn PDF document text
- https://s3.amazonaws.com/wixanarer/why_wont_my_acer_chromebook_turn_on.pdfIn PDF document text
- https://s3.amazonaws.com/luworizesupox/matubofetizomafizopij.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00014dad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14DAD | 5736 bytes |
SHA-256: bb476801ab6a72656ad53ab2db33a08799799b62b9e2a58fa6e58f77beff341d |
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font_01_sfnt_off00016122.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16122 | 11492 bytes |
SHA-256: 2165bc0705eff22297a0ada1d709260f056bd5b1fbd2e5c824f2ce4913010ca8 |
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font_02_sfnt_off000187e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x187E1 | 4324 bytes |
SHA-256: 1158d95dac44631f497756703988ba3645251422e7ff0015d3fca430225e7c3e |
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