MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
Heuristics 6
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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 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://zajinet.ru/123?utm_term=anytime+fitness+membership+cancellation+form PDF link annotation
- https://static.s123-cdn-static.com/uploads/4471988/normal_5fedd10e670d0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4376105/normal_6036b77f8157c.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/37a2152a-1383-414c-8950-6336d65af113/who_is_the_audit_committee.pdfIn PDF document text
- http://wazubumuxige.rf.gd/16366113285.pdfIn PDF document text
- http://gatovon.rf.gd/btl_vanquish_me_user_manual.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b10179ce-00d1-4f67-976b-8395f2e83831/47871103016.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/e4f63ede-3ca0-4fd7-901f-53d2724dfd89/how_to_dress_for_disney_world_in_january.pdfIn PDF document text
- http://xezinupuwe.epizy.com/wuxogivotunalapokel.pdfIn PDF document text
- http://kikameruvof.epizy.com/what_is_the_fear_of_death_quote.pdfIn PDF document text
- https://76ed6b59-b034-43ac-b949-e1c08f76e3cb.filesusr.com/ugd/ee6100_1acedcd00669451cae7841dce245b4d2.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/5243f43e-2dea-4bf2-ad77-82eae95a95fd/how_to_turn_off_pilot_light_on_boiler.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/af3936f1-0627-407c-b828-273e1ebd1a98/sandisk_clip_sport_8gb_mp3_player_with_microsd_slot.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/f77fdf20-6964-4428-a1d0-93e9c0d76f1a/how_to_interview_candidates_during_covid-19.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b923da31-5769-4386-a6c3-2bb181fedde4/warriors_dont_cry_chapter_23_summary.pdfIn PDF document text
- https://0b21792c-a699-4cf4-8833-5910c6ad58af.filesusr.com/ugd/b0b521_cad7152c9012413090336675c882afee.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/25a1d525-e70f-4ce6-874c-d9721f9842ea/how_to_put_logarithms_into_a_calculator_ti_30x.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e76d9dd-106b-4c83-885b-afdad01d23c1/tagopuviwupopuju.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8d7402d1-dfe4-4a0d-bc20-e1e9379dbca5/98308826901.pdfIn PDF document text
- https://3e1af3dc-cf37-4f58-935d-0a6065bc5ce9.filesusr.com/ugd/3ca236_7e1e952195c14918ac7921265de1febd.pdf?index=trueIn PDF document text
- http://suzurexitumafod.epizy.com/72490917636.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/95cd1d3e-79d0-419f-ac8e-111fbabd15df/bobobixamujerevikuki.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_off0000ee36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE36 | 5484 bytes |
SHA-256: c2efdac7426de39e21ff97a4d0e06bda7c489606009999bca7502647bdc2d96c |
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font_01_sfnt_off000100c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100C0 | 11676 bytes |
SHA-256: 4396b1af7460dbd936b0604cb11fcce3c27e87620ef073c7034f215b02654936 |
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