MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, many hosted on disposable domains, suggesting a link farm designed to distribute malicious content or phish users. The primary malicious URL identified is https://midufefew.ru/strik. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9994
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://midufefew.ru/strik?utm_term=how+to+open+samsung+led+tv+service+mode PDF link annotation
- https://static.s123-cdn-static.com/uploads/4426262/normal_5fed3621e880f.pdfIn PDF document text
- https://nitowapesapu.weebly.com/uploads/1/3/4/4/134442046/410709b60.pdfIn PDF document text
- https://vizegibog.weebly.com/uploads/1/3/4/4/134458583/rodamor.pdfIn PDF document text
- https://jewaxesototipa.weebly.com/uploads/1/3/5/3/135326518/gusujonuzaz.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4379485/normal_5ff202bc3e584.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4452599/normal_5ff1157eb3c3b.pdfIn PDF document text
- https://nazoturifebigik.weebly.com/uploads/1/3/1/6/131606271/rimogapimulikatekote.pdfIn PDF document text
- https://sotemupavunu.weebly.com/uploads/1/3/1/4/131413148/72ff5b425.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374521/normal_5fdc653c5f8bd.pdfIn PDF document text
- https://gonedosi.weebly.com/uploads/1/3/4/7/134730609/439a9c2c6ee0f.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4445343/normal_6023f8c1700f0.pdfIn PDF document text
- https://nobexuliga.weebly.com/uploads/1/3/1/4/131405940/navazubojexikejazu.pdfIn PDF document text
- https://nolaxefipox.weebly.com/uploads/1/3/4/7/134740184/3289702.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4493221/normal_5ff322614239e.pdfIn PDF document text
- https://kojuvaneginumo.weebly.com/uploads/1/3/4/8/134890768/pemomoleb.pdfIn PDF document text
- https://judaromoperojog.weebly.com/uploads/1/3/2/6/132681758/0af9e01.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/efaea9f2-cad0-407a-99f9-d23fff26a5e7/manual_balana_omron_hbf_514c_em_portugus.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/291b6371-c52c-4b69-b9e3-f6529bbee8a5/flowers_in_the_attic_full_movie_2017.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/8a553141-2d43-4ffd-9664-2e7481a382c8/66101251001.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a5f6e19d-91d1-4c5b-8d86-cd08aac0bda8/graco_cradle_swing_recall.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/ca951275-6ac1-43f8-923a-d0954efbc47e/roadside_picnic_audiobook_youtube.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1e494058-6c01-4475-bdfc-20ea9f0840f1/is_turtle_bay_resort_in_hawaii_all_inclusive.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1fd74c40-67f2-40c8-a2ab-b2bb99db1924/37548046143.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_off0001060a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1060A | 5504 bytes |
SHA-256: e1587b2970b31ae64dce5dabe527dc11699c413e1b80a14ce33da8dde25c9ae9 |
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font_01_sfnt_off000118ca.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118CA | 11748 bytes |
SHA-256: 3b91ddcd9368a385ddaf87750e616275bac644b33b7b3e4633516ff5a4cd9503 |
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