MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains embedded URLs, one of which points to a suspicious domain ('golowaki.ru') that is likely part of a phishing or malicious content delivery scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates the PDF is designed to host multiple links, suggesting a tactic to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://golowaki.ru/123?utm_term=slope+intercept+form+khan+academy+practice PDF link annotation
- https://cdn-cms.f-static.net/uploads/4386851/normal_606353a319d10.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402520/normal_603a710c69c61.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4371809/normal_6048f62b0dd8a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501029/normal_5ff27bfad3ca6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4391620/normal_60b7bca72458d.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375690/normal_60414e0e19278.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454304/normal_60415a33c5dc2.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490129/normal_606d4d2255e93.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4388173/normal_5fcd84bb9a2fc.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4471464/normal_5fe5fb4f18f06.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4424982/normal_604cba0bc2e52.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://zeladejan.pbworks.com/f/degelewozupemobevavibak.pdfIn PDF document text
- http://lururefisu.pbworks.com/f/94257555337.pdfIn PDF document text
- http://xedidovetaw.pbworks.com/w/file/fetch/144417717/cabrio_washer_error_codes_f5_e3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8f250818-d4e6-41d0-97a8-80397ce59438/biddeford_electric_blanket_controller_error_message.pdfIn PDF document text
- http://sufizilofab.pbworks.com/f/how_to_play_among_us_on_pc_for_free_without_downloading.pdfIn PDF document text
- http://xoxafepapesu.pbworks.com/f/vilub.pdfIn PDF document text
- http://pagorevet.pbworks.com/w/file/fetch/144473190/what_to_feed_baby_blue_tongue_lizards.pdfIn PDF document text
- http://xugilip.pbworks.com/f/69582985765.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f138a1a3-2f7c-41ed-8cf7-22ccaed50eb4/asus_xonar_dgx_pcie_5.1_audio_card.pdfIn PDF document text
- http://gatasulupu.pbworks.com/f/20995163057.pdfIn PDF document text
- http://lokiboz.pbworks.com/f/unfair_mario_unblocked_games_no_flash.pdfIn PDF document text
- http://xivoxibuza.pbworks.com/f/50707610472.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_off0000db10.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB10 | 5484 bytes |
SHA-256: ef9b63c2548ab73ed8a3e40e54f7951c9b37b9df14f3424346ea9d3043ebed13 |
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font_01_sfnt_off0000ed99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED99 | 9928 bytes |
SHA-256: 91c018333986d34d9ce569048a313725801244e32a8d4ee30aeb03497ab4177e |
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