MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a significant number of external links, many hosted on disposable domains, indicative of a link farm for SEO manipulation. One prominent URL, https://xezojetit.ru/strik, is flagged as unknown reputation, suggesting a malicious intent. The ClamAV detection and ML classifier further support its malicious nature, classifying it as Pdf.Phishing.Trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://xezojetit.ru/strik?utm_term=whirl+a+squirrel+off+of+a+bird+feeder PDF link annotation
- https://cdn-cms.f-static.net/uploads/4486054/normal_6059856ccd0ad.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470029/normal_606a5983dc9f8.pdfIn PDF document text
- http://tomandbxof.site/96040516602qh67q.pdfIn PDF document text
- http://fruit-italy.space/shark_lift_away_xl_navigator_reviewsio93c.pdfIn PDF document text
- http://mmeueue.space/like_video_status_songyxdbn.pdfIn PDF document text
- http://shlifovka-pol.website/127673090465tyzs.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://pubabela.rf.gd/60124525085.pdfIn PDF document text
- https://fec450ea-b80f-4746-b851-35139cc02de5.filesusr.com/ugd/53a83b_d06afdb00a8d42b6813f07723bc31a98.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/44892842-4469-4ef6-b251-0deef9afffa8/going_postal_jacksonville_north_carolina.pdfIn PDF document text
- https://92fed17e-af34-466b-b3fe-38cd9ef27699.filesusr.com/ugd/192d58_92fd7d7b543b46d2adc9a5a81bd1dbce.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/a9d47841-a640-450b-889a-37ee19205594/bibogiwufu.pdfIn PDF document text
- http://losobome.rf.gd/sudufekalutofidopa.pdfIn PDF document text
- https://7f03322d-63d6-449b-a8c2-a80beffeb2b6.filesusr.com/ugd/2994dd_9a7a83d5811e48d7b34c8cb35b81bdd2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/ae53a646-0a2f-490c-9dc6-b8d1b04ec219/78305156968.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/770d52f6-0c23-4309-875d-2d802c63786e/mafikigilekebonuvunepa.pdfIn PDF document text
- https://20128683-61eb-4207-b985-d468b1a81fea.filesusr.com/ugd/0049ca_6dd4b21100dc40d18e8b56a9985c14bf.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/fef82f46-0bec-45de-8324-bc103f4ee72d/godibitu.pdfIn PDF document text
- https://f7e05ffc-afae-4d19-be15-7e9c659e5e5f.filesusr.com/ugd/72f62b_2ec3598e84df4d80941a08b2eb9a1ffe.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4b83ee31-c03a-4e6d-bcb2-441642ea6fd8/how_much_does_starbucks_pay_in_new_jersey.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cc273cad-3b77-4e68-8ea6-fdff5506e181/45428471300.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f6ebafbe-41c7-477f-aecc-38ef7a1827e3/krk_rokit_5_g4_vs_jbl_305p_mkii.pdfIn PDF document text
- http://gadojir.rf.gd/dorobute.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_off0000fa5a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA5A | 5272 bytes |
SHA-256: 886f63915f7366f22ba58423cc7e6c0dd19a5367eca577bcf74f10bfe310a774 |
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font_01_sfnt_off00010c45.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C45 | 10508 bytes |
SHA-256: 2e9fbd6374b449e52767ac8a1c7a230fa6b879711c17342a1ed4753834856e97 |
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