MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains a large number of external links, many of which are on disposable domains and appear to be part of an SEO link farm. One of the primary URLs, 'https://jacksth.ru/strik?utm_term=hill+rom+progressa+bed+service+manual', suggests a potential lure for users searching for specific technical manuals. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware distribution.
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=hill+rom+progressa+bed+service+manual PDF link annotation
- https://jasesinokez.weebly.com/uploads/1/3/1/1/131164090/mexaxemebirajabe.pdfIn PDF document text
- https://dovezoluwebib.weebly.com/uploads/1/3/4/0/134017866/fewebabaxiba-siwaxedexevidas.pdfIn PDF document text
- http://robugipunebib.mygamesonline.org/leduwugibuko.pdfIn PDF document text
- http://xepelewatelaziv.getenjoyment.net/72906815424.pdfIn PDF document text
- http://suzamakulamuj.mypressonline.com/lezejonitaleleki.pdfIn PDF document text
- http://rovepofaji.22web.org/77616506541.pdfIn PDF document text
- https://jufasoxoko.weebly.com/uploads/1/3/5/3/135315704/sanaluge.pdfIn PDF document text
- https://worijuxadije.weebly.com/uploads/1/3/4/8/134863955/dasomavojazifo-vobefavujuf.pdfIn PDF document text
- https://kusezobovezuzeg.weebly.com/uploads/1/3/4/6/134689385/3104017.pdfIn PDF document text
- http://dupamineni.medianewsonline.com/bsc_bed_paper_2020_download.pdfIn PDF document text
- http://kurekarer.22web.org/old_version_of_adobe_reader_8._0.pdfIn PDF document text
- http://dulugidi.iblogger.org/how_to_make_excel_formulas_more_readable.pdfIn PDF document text
- https://bebibamo.weebly.com/uploads/1/3/1/4/131438385/8631321.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In 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/5b6558fb-ff2f-44e6-9841-523301dc5c29/suzuki_cello_book_3_piano_accompaniment.pdfIn PDF document text
- https://711920be-b761-4f0e-a604-762b26663b16.filesusr.com/ugd/ffcbea_daf2136f93364dd6899ebf4e9208932c.pdf?index=trueIn PDF document text
- https://178c1879-e916-404b-9861-a2431bd0f83a.filesusr.com/ugd/1aace6_62251b992a0945d6bd36fdbc12a657b7.pdf?index=trueIn PDF document text
- http://tekobisami.rf.gd/etica_para_el_amador_libro.pdfIn PDF document text
- http://benamow.myartsonline.com/how_to_get_to_sleep_navy_job.pdfIn PDF document text
- https://6f672a44-e16c-4921-a0f1-e3781c0647c5.filesusr.com/ugd/bda22a_52ad62786c14405b84f9ede7608702da.pdf?index=trueIn PDF document text
- http://zakizil.rf.gd/manly_p_hall_astrology.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b9d57f84-447c-4349-95e9-b966ab768c59/schlage_connect_smart_deadbolt_not_locking.pdfIn PDF document text
- https://d5bea983-5bca-41ba-aae6-6b688785cc77.filesusr.com/ugd/9ec29b_6f11fe7212794c7eb6c82b2c09d19e20.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00012284.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12284 | 1664 bytes |
SHA-256: c811a7630a181791341f95cebef33836b9c3d72dd7d3e1bbfe2b0cb06d320ee1 |
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font_01_sfnt_off00012a7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12A7A | 5552 bytes |
SHA-256: 13360cbeb343165b0f475d05c7be464bef019cd91fe901cf5a3d41ae58fbf4c3 |
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font_02_sfnt_off00013d45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D45 | 14300 bytes |
SHA-256: 31e17d11546f2bbd627d772422df2ec86fcb7a70a2a984d08bed101ec9125e8d |
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