MALICIOUS
194
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a significant number of external links, indicating it functions as a link farm. The presence of a 'utm_term' parameter in one of the URLs suggests a phishing or scamming attempt to track user engagement. While no scripts were explicitly extracted, the heuristic 'PDF_SEO_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggest malicious intent related to SEO manipulation or directing users to potentially harmful content. The ML classifier also flagged this PDF as malicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
Heuristics 7
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://coretry.ru/pbw?utm_term=how+to+use+diamond+microdermabrasion+machine PDF link annotation
- https://cdn-cms.f-static.net/uploads/4485822/normal_605d8ad3bf177.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4418383/normal_605bb6ae9c9f6.pdfIn PDF document text
- https://bimidofun.weebly.com/uploads/1/3/4/4/134460432/rudud_jadonuxime_detun_vosos.pdfIn PDF document text
- https://gawowulovo.weebly.com/uploads/1/3/5/9/135966180/5f02998ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369802/normal_604a59d868dec.pdfIn PDF document text
- https://funebaxap.weebly.com/uploads/1/3/4/3/134399245/373083ac73dc55.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/e279807d-71b6-44a0-95a4-01faad299608/jizuvajameveraw.pdfIn PDF document text
- http://wozixokumo.pbworks.com/w/file/fetch/144630744/shader_mod_minecraft_pe_android.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8e5b2de2-aa89-4257-a5f6-80665850e9dd/rinnai_r94lsi_specs.pdfIn PDF document text
- http://zikupuzajix.pbworks.com/w/file/fetch/144574065/8934890966.pdfIn PDF document text
- http://josinibugaju.pbworks.com/w/file/fetch/144694278/libro_de_espaol_lecturas_de_segundo_grado_de_primaria_2019.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4adeed49-cc58-40f2-b6d3-def9c4c2a0a1/are_spotted_lanternflies_poisonous_to_dogs_if_ingested.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b286a9c4-fdd9-4768-9a4a-a8b377a10e03/where_to_donate_used_mattress_in_singapore.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8c92c787-2502-4fa0-8b3a-aa4c466a17a1/4422625837.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ed7a603-3ba0-4999-8fb7-4676f2a11391/xavutifegolituwir.pdfIn PDF document text
- http://xefobukeza.pbworks.com/w/file/fetch/144599544/16787661539.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/107c9e1f-2bf5-439d-95b8-5bd3efb90c93/57537522986.pdfIn PDF document text
- http://juvupumanut.pbworks.com/f/superuser_pro_apk_cracked.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/d6d9268b-2d49-4195-9e06-f2e420e19eb7/digiprog_3_download.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_off0000ec99.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC99 | 5340 bytes |
SHA-256: d4cf139607f8a844744d903a311efe1f60731c4e185f2b4f8acdfe2f18cb173d |
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font_01_sfnt_off0000fea3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEA3 | 10996 bytes |
SHA-256: f231bef5fcb3633c2eb2f405071b1f2ef06e6f6a4b9463c4fbd1c0afbcbe260a |
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