MALICIOUS
244
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document contains a large number of external links, many of which point to disposable hosting services. One of the embedded URLs, https://dafemum.ru/strik, is identified as a malicious redirector. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
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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PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINKPDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
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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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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://dafemum.ru/strik?utm_term=letra+de+hosanna+marcos+barrientos+con+acordes In PDF document text
- https://wesatelifap.weebly.com/uploads/1/3/1/8/131871597/5204320.pdfIn PDF document text
- https://puxosuloboja.weebly.com/uploads/1/3/4/6/134677226/0c6c59b06f51d.pdfIn PDF document text
- http://lolkek.xyz/28948679157csutv.pdfIn PDF document text
- https://werukubafufu.weebly.com/uploads/1/3/4/0/134000234/5713555.pdfIn PDF document text
- http://tixshopclub.space/xulexapotaa1zo9.pdfIn PDF document text
- https://kagivosivozavex.weebly.com/uploads/1/3/4/7/134746508/rukafewagalag-zarajisaxuna.pdfIn PDF document text
- https://welukixavise.weebly.com/uploads/1/3/1/0/131069839/vivaviroje.pdfIn PDF document text
- http://amst-watch-v1.club/49313409389kdsfr.pdfIn PDF document text
- http://mibewoz.22web.org/informacion_sobre_el_idioma_kaqchikel.pdfIn PDF document text
- https://dekamukovesu.weebly.com/uploads/1/3/5/3/135324216/4312699.pdfIn PDF document text
- http://scriptbook.xyz/mogugorar6oqz.pdfIn PDF document text
- http://crystal-light33.ru/relation_function_domain_and_range_calculator208zf.pdfIn PDF document text
- https://ragixadimeruwu.weebly.com/uploads/1/3/4/8/134897014/lavosar-fifubuwin-liruzaxilek.pdfIn PDF document text
- https://nuvitofoje.weebly.com/uploads/1/3/4/6/134640236/4363612.pdfIn PDF document text
- https://wakaxizuso.weebly.com/uploads/1/3/5/3/135322555/3069ef8fcd5.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://widifusi.myartsonline.com/kisujawa.pdfIn PDF document text
- https://f1801c53-b3f5-4b94-a9b3-4bb8eb376a66.filesusr.com/ugd/af633f_19f9371f317248389c08bd722e2540a0.pdf?index=trueIn PDF document text
- https://233b4d2f-9c44-4004-b776-098ebc281e6f.filesusr.com/ugd/7f980c_670a3a0035ef48b8b19c5cef48c314be.pdf?index=trueIn PDF document text
- https://3a00e800-a8eb-44ae-aafc-ae9aecab8e06.filesusr.com/ugd/1715bf_c5926f69cdfd4b718c2eac6b027b8a56.pdf?index=trueIn PDF document text
- http://vagafalim.rf.gd/18665622250.pdfIn PDF document text
- http://gudukiderunusu.myartsonline.com/free_web_development_tutorial.pdfIn PDF document text
- https://0dea665b-aaaa-42f3-a52c-f86f0fd1efa2.filesusr.com/ugd/8b9728_a8b50deca8d343e8ae253e4066a26686.pdf?index=trueIn PDF document text
- https://4fbc56e1-d9a2-4996-be1d-38f9cd263936.filesusr.com/ugd/b1afee_5c1882fb801342f88a78c49928cd385b.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_off0000e526.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE526 | 5228 bytes |
SHA-256: a14068544f58754d70b395779533af9ba18cc53a0bf2a6a78751c457b3791538 |
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font_01_sfnt_off0000f6bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6BF | 13108 bytes |
SHA-256: 600d55bb7d279b26b03aac6f570deed01871a873c87b31f220337e91d2b2069a |
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