MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, containing numerous external URLs, with a specific heuristic identifying it as a 'PDF_SEO_LINK_FARM'. The primary URL, 'https://jacksth.ru/123?utm_term=gangster+paradise+music', suggests a potential phishing or scam lure. No scripts were extracted, but the PDF structure itself is used to facilitate the redirection to potentially harmful external content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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=gangster+paradise+music PDF link annotation
- https://cdn.sqhk.co/nujoxodove/OifhgrW/winston_zeddemore_ghostbusters.pdfIn PDF document text
- http://kedejivebirago.iblogger.org/fitinaloxuvifu.pdfIn PDF document text
- https://cdn.sqhk.co/gixezovof/Sb3hc35/vamifalijidavepubabur.pdfIn PDF document text
- http://latitekiwa.scienceontheweb.net/9015103547.pdfIn PDF document text
- https://cdn.sqhk.co/ranilabar/hjFlUID/11247464885.pdfIn PDF document text
- https://cdn.sqhk.co/zekuxemelop/fgfiigU/tafipob.pdfIn PDF document text
- http://sopugepibimel.mypressonline.com/calisthenicmovement_mobility_program.pdfIn PDF document text
- http://nofixeb.iblogger.org/community_acquired_pneumonia.pdfIn PDF document text
- http://vejuwetuk.mypressonline.com/11641286424.pdfIn PDF document text
- http://daludaja.getenjoyment.net/78848389330.pdfIn PDF document text
- https://cdn.sqhk.co/totafeta/hKOKie5/vozojo.pdfIn PDF document text
- http://fulilip.iblogger.org/notting_hill_full_movie_free_utorrent.pdfIn PDF document text
- https://cdn.sqhk.co/kubemuzu/Zgd7Lji/jaspersoft_ireport_designer_5._5._0_free.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://dacf5b84-f80e-4bd8-bb7f-22aad20a1cd8.filesusr.com/ugd/285be4_60ee1fc41a2f45ccad10f84769f74513.pdf?index=trueIn PDF document text
- https://50fe66f1-00be-429c-ab6c-57a9f80d6ab9.filesusr.com/ugd/39cb9d_fff27ab8294740f3a66e2b2851631571.pdf?index=trueIn PDF document text
- https://d670dda7-df53-4ef1-8eda-d3256df28744.filesusr.com/ugd/dbbbec_af11bd2290134bebb793c2ba3ec5baf9.pdf?index=trueIn PDF document text
- https://2a403a33-5f6e-4534-96f9-742aa7325afc.filesusr.com/ugd/d2da83_457b8591a1d2496ea07c8a2a34908cbe.pdf?index=trueIn PDF document text
- https://54179944-c6a3-49b3-9462-5d1939b6aff2.filesusr.com/ugd/49f5ef_8d47f5798a01403094a8b0cb8770e148.pdf?index=trueIn PDF document text
- https://e216d865-ddc7-438b-99b2-64609380b1bb.filesusr.com/ugd/7ae8b3_10726016fc8e4bc4a9f38f42d6709286.pdf?index=trueIn PDF document text
- https://e8b83640-91e4-44a0-a69f-c2468797902f.filesusr.com/ugd/ee4a13_0a6d722fe9ae4ee18b29de2354a7a822.pdf?index=trueIn PDF document text
- http://fukewabukitiv.epizy.com/jezizonopufififovix.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_off00011b1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11B1C | 5164 bytes |
SHA-256: afb4adfd06b5197fcf6af0e7d732c35d28b4e2547943361d570521c08ce1ca85 |
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font_01_sfnt_off00012c9b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C9B | 12612 bytes |
SHA-256: 59a02719a7a364e68d180b4248bf66ebacd6239fff6f3d45e70e2c6222452f1f |
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font_02_sfnt_off000155af.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x155AF | 4324 bytes |
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176 |
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