MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document contains a large number of external links, many hosted on disposable domains, suggesting a link farm or phishing campaign. The ClamAV detection and ML classifier strongly indicate malicious intent, likely related to phishing or distributing further malware. The embedded links, such as https://xajibur.ru/strik?utm_term=sans+top+20+critical+security+controls+2019, are designed to redirect users to potentially harmful content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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://xajibur.ru/strik?utm_term=sans+top+20+critical+security+controls+2019 PDF link annotation
- https://cdn-cms.f-static.net/uploads/4368760/normal_6060bc374f297.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380854/normal_60474cb89419a.pdfIn PDF document text
- https://cdn.sqhk.co/nubowolimit/ijjgfgd/58489093812.pdfIn PDF document text
- https://cdn.sqhk.co/dazulegug/edjeig2/supokado.pdfIn PDF document text
- https://cdn.sqhk.co/rukokota/jiWif6t/diy_ideas_for_christmas_wreaths.pdfIn PDF document text
- https://cdn.sqhk.co/satukevaguka/hgggCNG/37662925334.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4427498/normal_5fff92b78ef88.pdfIn PDF document text
- https://cdn.sqhk.co/nijusukelok/iaMNPPT/5224650546.pdfIn PDF document text
- https://cdn.sqhk.co/wesegagage/frovbgj/zombies_1_disney_full_movie_free_online.pdfIn PDF document text
- https://cdn.sqhk.co/pigajifaw/Vhdjfjd/87499332169.pdfIn PDF document text
- https://cdn.sqhk.co/wuvupalib/ggfe8CS/descargar_tiny_rails_para_pc.pdfIn PDF document text
- https://cdn.sqhk.co/sejiragidu/ifiamFH/xurilow.pdfIn PDF document text
- https://cdn.sqhk.co/litanamamusi/ijfUhdf/dimodotiwesun.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367279/normal_5fe08b3b3ebd2.pdfIn PDF document text
- https://cdn.sqhk.co/jezuleku/jjvQvhe/att_video_call_android_to_iphone.pdfIn PDF document text
- https://cdn.sqhk.co/livatunozasu/ajGjagd/call_blocker_android_10.pdfIn PDF document text
- https://cdn.sqhk.co/vuzefoveniri/Hibgghc/81467196963.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://a7ed8af5-5e4a-4eaf-98d7-51655494ca15.filesusr.com/ugd/b5c45a_6e9a16be63db495bad528c74ce5027fb.pdf?index=trueIn PDF document text
- https://5457524e-bace-410a-9ce7-c8d8bc0eedea.filesusr.com/ugd/f0ffd0_82b81ce382f042fa93b12bd3d0296c39.pdf?index=trueIn PDF document text
- https://92fbd7ca-8480-4723-bb2c-19523f9dca15.filesusr.com/ugd/29946e_1e336a980edb4888afdc271a13c70956.pdf?index=trueIn PDF document text
- https://d0aee4dd-c5bf-4c29-adcf-3aa844f59ef3.filesusr.com/ugd/193d13_a5eb9d401b3f40e4bdb848d0e80a953f.pdf?index=trueIn PDF document text
- https://eb72eaa1-ef55-40a3-a653-f6d21bccf295.filesusr.com/ugd/54913d_7411b03bd3974f15b42b9bd457298cd5.pdf?index=trueIn PDF document text
- https://b064d0e4-88d6-4b7e-8087-8ebf790fcba6.filesusr.com/ugd/ca32a8_06318469b67749fa8844a7a03ecb0a24.pdf?index=trueIn PDF document text
- https://b56e6f12-3f4b-4b75-bc29-9585eb3fba71.filesusr.com/ugd/73f0dd_bc97bb9801f64a1794be066f66350f88.pdf?index=trueIn 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_off00010226.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10226 | 5612 bytes |
SHA-256: 62520a64ac58bc1675eafb05f14117293dc554f0b725cc6fafa87c4a6beebce2 |
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font_01_sfnt_off00011559.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11559 | 10844 bytes |
SHA-256: 807e2fa2e00aa8aaa7e560ae5aa92a57c12b1462dc66f59b578c4c64e7548b3a |
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