MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file contains a large number of external links, many pointing to disposable hosting, and one specific URL that appears to be a lure. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure suggests a link farm designed to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9996
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://druttle.ru/strik?utm_term=how+to+use+a+singer+machine PDF link annotation
- https://cdn.sqhk.co/notenirikev/kJDhjQu/27005734969.pdfIn PDF document text
- https://cdn.sqhk.co/tupipitijil/Xjfhetb/tegajasosofemajopuvaje.pdfIn PDF document text
- https://cdn.sqhk.co/dutaxato/gfpie9z/beriwilopi.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://5d94d51b-2702-4b64-8df3-eadd022f3edc.filesusr.com/ugd/2ddd39_9c724441db7f48cdab229d0b91537aa7.pdf?index=trueIn PDF document text
- https://728bf1be-24e3-4891-ba98-fedceca1a503.filesusr.com/ugd/3268c8_b43c9eb202524dc7aeaca490f901eb3d.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/4c0a1f7b-6b4a-4abe-bba9-7995410d60a0/81159662962.pdfIn PDF document text
- https://76c9fb28-c10e-4950-85be-37de24a2ede8.filesusr.com/ugd/fa32a6_c2b9b0459449477d9a56d90e028bd238.pdf?index=trueIn PDF document text
- https://507d1b22-ea03-4061-a262-f79425337ca2.filesusr.com/ugd/a374b9_040d6906385c410d94c77c52de1c3d50.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/19b666a5-9424-4401-a96b-1d477f9a9b37/44664809603.pdfIn PDF document text
- http://kutoxinupuroxo.onlinewebshop.net/kixisazexetudinijotifar.pdfIn PDF document text
- https://6d4a8fb0-9a8a-4850-8aa1-2b5706121c9a.filesusr.com/ugd/ff2e72_1676fe98ec674cf4a82b5bb91cb8fc5d.pdf?index=trueIn PDF document text
- https://dcc20dec-0195-4543-b617-cfb82efd15f0.filesusr.com/ugd/30ea26_a24a66dcad69494c89b49267267fa8c9.pdf?index=trueIn PDF document text
- http://suwuriru.onlinewebshop.net/bratstvo_crnog_bodea_18.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ef66c4e3-5cdf-4d9b-9287-bb5a34ebb67a/honeywell_programmable_thermostat_rth2300b_wiring.pdfIn PDF document text
- https://ecad98c5-3f79-4b5a-9309-7060426a101e.filesusr.com/ugd/66ec94_3b3d5a24d2144449bc367ab9912519b9.pdf?index=trueIn PDF document text
- http://rakorexifaxokur.rf.gd/loxuguzubovidudufas.pdfIn PDF document text
- https://e1bd05e7-a2ed-43df-b5fc-9bc8ee0b1a84.filesusr.com/ugd/08acf3_5243103b23984ef99563cb31d8f69713.pdf?index=trueIn PDF document text
- http://xigivemarigefa.rf.gd/aoac_standard_methods.pdfIn PDF document text
- https://09d56968-2ae9-412d-ad86-e67dc63a1c23.filesusr.com/ugd/e8b91f_429d60bff183414682f98a4356e2daa7.pdf?index=trueIn PDF document text
- http://nununad.myartsonline.com/tapikolafinamejobaritosa.pdfIn PDF document text
- http://vosikixu.rf.gd/mowetur.pdfIn PDF document text
- http://pamubaj.epizy.com/obtencion_de_capsaicina.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_off0000ef4f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF4F | 5236 bytes |
SHA-256: 22e4bc0b68863e6a691340280facd8da6c48fbeb6b7b2e8b999274063fc7ffcc |
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font_01_sfnt_off00010102.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10102 | 11364 bytes |
SHA-256: 523fa7be54119c1f5c70a1bb364c4a49f82840321eb73a17956d686a665d931c |
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