MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by multiple heuristics and a machine learning classifier, specifically flagged as a phishing trojan. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or SEO manipulation tactic. One prominent URL is https://jacksth.ru/123?utm_term=bwv+543+liszt+pdf, which is likely the primary lure. No scripts were extracted, but the PDF structure and link farm behavior indicate a phishing or malicious redirection attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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=bwv+543+liszt+pdf PDF link annotation
- https://gajamonorafu.weebly.com/uploads/1/3/5/3/135389334/912469a21badc.pdfIn PDF document text
- https://ravaratu.weebly.com/uploads/1/3/5/4/135401011/3648f7.pdfIn PDF document text
- https://ziluxofizavamo.weebly.com/uploads/1/3/6/0/136009732/xetusedifijoxojiti.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://tugewuvog.pbworks.com/f/phonetics_and_phonology_difference.pdfIn PDF document text
- http://kibumezi.pbworks.com/w/file/fetch/144711030/dls_hack_profile.dat_2020.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8195b5a1-eebe-4109-97ec-95ec665d79db/diffusion_ap_gizmo_answer_key.pdfIn PDF document text
- http://lesokulovisu.pbworks.com/w/file/fetch/144564783/rorati.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/c6f73db2-cbfc-4c41-9b64-2cadcf64b092/how_much_is_a_rainbow_vacuum_in_the_philippines.pdfIn PDF document text
- http://fevawigo.pbworks.com/f/bipemumup.pdfIn PDF document text
- http://jajisaparev.pbworks.com/f/nadetofojomotikotebupagik.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/38ca14b9-d5b7-4047-a081-8adc8be016cd/babobaxematuvulepupekowek.pdfIn PDF document text
- http://gaguwufajij.pbworks.com/w/file/fetch/144874539/deturapekodirofa.pdfIn PDF document text
- http://sepaxebi.pbworks.com/f/kujebulolat.pdfIn PDF document text
- http://tozuxexap.pbworks.com/w/file/fetch/144517476/junajubonovewuwitebo.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/3ae0c23a-876a-4a9d-8a47-2007efb8d40c/volume_of_compound_shapes_worksheet_tes.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f4a0543f-5bf6-40f1-9a3a-e3c7e4a878f5/28520140744.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e0eb243-fcc3-4287-83db-55ad4c215420/nipefemebe.pdfIn PDF document text
- http://jolowajuwijo.pbworks.com/w/file/fetch/144485154/dalesagokanigijo.pdfIn PDF document text
- http://bajaduxaxusi.pbworks.com/f/gaggia_brera_descaling_instructions.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95a757bf-762e-4b93-b757-32a0e8056a0f/62803244441.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_off000135a9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x135A9 | 5356 bytes |
SHA-256: 12e0685f216dee12115329fffafef27e0cb175d898c22d6413a7e59a65a17a43 |
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font_01_sfnt_off0001482f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1482F | 12076 bytes |
SHA-256: 4d1b180f1df4289b201b20e3a61bdb33a64b3dc5f19e7212702632cfbaaa6b56 |
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