MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains a significant number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One of the extracted URLs, https://jacksth.ru/strik?utm_term=jlab+go+air+left+earbud+not+pairing, is likely part of this malicious infrastructure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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/strik?utm_term=jlab+go+air+left+earbud+not+pairing PDF link annotation
- https://wusitezuredov.weebly.com/uploads/1/3/5/3/135314125/8b0ea42.pdfIn PDF document text
- https://kavekoda.weebly.com/uploads/1/3/5/3/135326791/7602408.pdfIn PDF document text
- https://nogapixefakul.weebly.com/uploads/1/3/4/5/134590999/fuzitebopodil-wugovijowusonar-nivoru.pdfIn PDF document text
- https://zelekunidos.weebly.com/uploads/1/3/2/6/132682808/4418614.pdfIn PDF document text
- https://nolujamikudaze.weebly.com/uploads/1/3/4/8/134868466/lujum_bexukijopere_pidapuwatun_dejatubirosalek.pdfIn PDF document text
- https://cdn.sqhk.co/zerumowo/hHheoji/vozavodujor.pdfIn PDF document text
- https://radamokugek.weebly.com/uploads/1/3/2/6/132696621/zorim.pdfIn PDF document text
- https://parafobosa.weebly.com/uploads/1/3/1/8/131857791/miterubatutamedefiwi.pdfIn PDF document text
- https://kokazokurazafan.weebly.com/uploads/1/3/5/3/135348127/3fe94df6c9c0.pdfIn PDF document text
- https://cdn.sqhk.co/jowowibow/h1Otii1/buwajet.pdfIn PDF document text
- https://cdn.sqhk.co/dokukavifig/GLy00ic/rawekafodugoxogadetopisiv.pdfIn PDF document text
- https://cdn.sqhk.co/jekunesoru/lhfwhiG/dujidaxikokubov.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/a593ee90-1622-4f5e-9e2c-488faf044b4e/why_riba_is_prohibited_in_islam_and_what_are_the_rationale_for_riba_prohibition.pdfIn PDF document text
- https://1a6defe7-92a0-4357-8a70-d3bce85d30c9.filesusr.com/ugd/385065_1f0ad5b791954a5787fce76f4dc55947.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c011c49e-c76c-4840-8fd1-794a1f1b754c/why_is_my_hisense_air_conditioner_not_cooling.pdfIn PDF document text
- https://dc010c70-835d-4b56-8cb0-1e1bda7cab64.filesusr.com/ugd/fb576b_61798866bd6b4e07966e7436005d7b63.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/neporezofov/ruzoxovuwi.pdfIn PDF document text
- https://s3.amazonaws.com/fedure/13652069340.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/10a1b321-d2f4-4a1c-a41e-2689fe250a44/silence_becca_fitzpatrick_plot.pdfIn PDF document text
- https://7e005a1c-fb68-43c1-af83-b854b6a2d282.filesusr.com/ugd/dcfb95_cc9a3987c0ef4734b86811d8c480cd12.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/bogeguva/35755764875.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b122f6fa-ee23-4552-9962-a5f85efcbe92/resofomixodudodalalevigo.pdfIn PDF document text
- https://77bac38d-831a-46d6-8f22-d7743fcadc58.filesusr.com/ugd/5b9a87_0d8cfc7742824776820112267eb60922.pdf?index=trueIn 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_off00010ba3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BA3 | 5160 bytes |
SHA-256: 7ac00479e42e18aede0cb55aa64c1978f5cde7d75d49ff9aec043ec3dd5e68cf |
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font_01_sfnt_off00011d43.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11D43 | 11708 bytes |
SHA-256: 396c7002fb09fc9077d37702373943b110626ebc2428c52d6c2eb166b64a9fb8 |
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