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 0.9991
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://jacksth.ru/123?utm_term=closer+lemaitre+piano+sheet PDF link annotation
- https://cdn.sqhk.co/letinumi/geiemia/wifi_file_transfer_for_pc_download.pdfIn PDF document text
- http://nutosuvitiraj.scienceontheweb.net/air_pollution_definition_causes_effects_and_prevention.pdfIn PDF document text
- http://runmasten.online/munewomipejusemufizadiko2auh6.pdfIn PDF document text
- http://vobafoselalulor.mypressonline.com/medical_fitness_certificate_for_school.pdfIn PDF document text
- http://demuxum.getenjoyment.net/3544073600.pdfIn PDF document text
- https://sefedajexoxoj.weebly.com/uploads/1/3/4/4/134479396/zowobarakowi-pupobi-bolasisutum-pazobe.pdfIn PDF document text
- http://ramuwesitavoz.mywebcommunity.org/51474542138.pdfIn PDF document text
- https://cdn.sqhk.co/jiledexuda/UBcxNih/48523467778.pdfIn PDF document text
- http://reduslim-italy.site/how_can_i_apply_for_ross_online1xlwf.pdfIn PDF document text
- https://cdn.sqhk.co/vixukose/3awWZc0/pirakawusoga.pdfIn PDF document text
- https://gasimela.weebly.com/uploads/1/3/1/3/131398285/b3e6be55e5b2.pdfIn PDF document text
- https://cdn.sqhk.co/dulidara/PjcpWYD/keguxabiguwadarewuroba.pdfIn PDF document text
- http://bcipreactivaperu.com/mupolupidanicms0v.pdfIn PDF document text
- https://cdn.sqhk.co/nadetajagupe/TVr1Aie/noob_skins_for_roblox.pdfIn PDF document text
- https://cdn.sqhk.co/loxowopiv/Y2VmEwn/campus_dean_parent_app.pdfIn PDF document text
- https://cdn.sqhk.co/gujowaxexag/fiajbib/herobrine_addon_in_minecraft.pdfIn PDF document text
- https://cdn.sqhk.co/tikugosedik/Zjihduw/winepitigizuwapuvuboso.pdfIn PDF document text
- https://cdn.sqhk.co/razupojoja/3hi8Amz/cute_funny_puppy_wallpapers.pdfIn PDF document text
- https://cdn.sqhk.co/nolagutotato/hiaggif/cytus_2_vanessa.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://13ea8442-998f-4f14-ba3b-7f37e53a414c.filesusr.com/ugd/008a9f_e022a6466101499fa291ad7da20f7e10.pdf?index=trueIn PDF document text
- https://86860ce8-2957-478e-97c3-2abddc2d2c3c.filesusr.com/ugd/754ed1_9edb80ba181f453987b88764fc6a2169.pdf?index=trueIn PDF document text
- https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_3339248da42d43f78364335cf31b5caa.pdf?index=trueIn PDF document text
- https://1b6fe947-be7e-4494-9a94-f566f178d3d1.filesusr.com/ugd/89064d_3cc71eb75b6b4b2ca915de8be0fb3290.pdf?index=trueIn PDF document text
- http://zagofij.onlinewebshop.net/what_is_full_form_of_pcm.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_off0000eed3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEED3 | 4964 bytes |
SHA-256: 4f173e5a9dc868f3bed008f8d3804f9d05769c6536500b2651ac7ae6e8b391de |
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font_01_sfnt_off0000ff7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFF7E | 11772 bytes |
SHA-256: a16c10be8f9e9e241aae2b232a540deb78b1935631039303d41c2e11244083a4 |
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