MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains a large number of external links, many pointing to disposable hosting, suggesting a link farm or phishing operation. The primary malicious URL identified is https://vilenefex.ru/strik, which is likely used to deliver a secondary payload or redirect to a phishing site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://vilenefex.ru/strik?utm_term=romeo+juliet+song+taylor+swift+lyrics PDF link annotation
- https://lulotabo.weebly.com/uploads/1/3/4/7/134745182/6260071.pdfIn PDF document text
- https://rilawexiretik.weebly.com/uploads/1/3/4/2/134267086/9adf5b69602.pdfIn PDF document text
- https://tavadubamik.weebly.com/uploads/1/3/4/4/134473349/wovuzago.pdfIn PDF document text
- http://nadipewin.mywebcommunity.org/nujulibakoxubidumewumife.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://e7f45dcf-1957-410e-85b1-216e85a225c4.filesusr.com/ugd/a2c2bc_241adb4b68684c29982b5f4363798f4e.pdf?index=trueIn PDF document text
- https://5b0e1d79-1acc-45ba-a965-31015372eee8.filesusr.com/ugd/67f5f7_ce9e3436069b46f0898fddf1cc9f8925.pdf?index=trueIn PDF document text
- https://40785fcd-1e5e-4316-9306-5db1d5795eae.filesusr.com/ugd/2f07a1_d7babf0acea24d1ea354b63a099ef894.pdf?index=trueIn PDF document text
- https://29474179-7c7c-44ae-84e0-3c37792f2e25.filesusr.com/ugd/7f817d_64667495634e4bc3adc1a8a673f45e28.pdf?index=trueIn PDF document text
- https://564fd4a8-0e6d-4f97-813a-a14a70c45316.filesusr.com/ugd/f90d28_a565ee40d14c4ed29a502977f6f6205d.pdf?index=trueIn PDF document text
- http://pajipiruk.rf.gd/arturia_keylab_61_manual.pdfIn PDF document text
- https://7162f0c1-3bb2-4775-9ad2-1e34613fb889.filesusr.com/ugd/595093_79ea398518104ad1b62534f75051df3b.pdf?index=trueIn PDF document text
- https://af18ad75-7652-4b25-b9e0-8da5fded0af1.filesusr.com/ugd/529385_7db67d45244c414abe42407fa3905fe2.pdf?index=trueIn PDF document text
- http://gukutimaguvuzum.onlinewebshop.net/dezimalzahlen_in_brche_umwandeln_bungen_mit_lsungen.pdfIn PDF document text
- https://6cdf8c5e-36a0-4b6d-987f-32d3d50030cd.filesusr.com/ugd/3c2e2e_407d40f8b0b346ef88bfd5190e185665.pdf?index=trueIn PDF document text
- https://944456f3-75eb-4cd6-bbfd-656b3713ada1.filesusr.com/ugd/2c8d66_1fabd1a4711049b3acd2471bccdb991f.pdf?index=trueIn PDF document text
- http://jopinewo.epizy.com/cloud_affairs_july_current_affairs_download.pdfIn PDF document text
- https://591e60e9-54e8-4b06-a9a7-f2e0522969d0.filesusr.com/ugd/1fd4b7_538624ebba3c4e9687c5d0030cafc660.pdf?index=trueIn PDF document text
- http://dobevux.epizy.com/brahmo_samaj_in_telugu.pdfIn PDF document text
- https://a581e706-3bf6-41fb-8978-ad4d4077590d.filesusr.com/ugd/afbe6b_badb4a8b36724064be2dcdb07a1b8ccd.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f6dc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6DC | 5360 bytes |
SHA-256: 39395d0db9e7f2b186c341a8193a0a413a396f018d88374d40328e83a9d5e97f |
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font_01_sfnt_off00010920.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10920 | 10772 bytes |
SHA-256: 178ff239a61254f6d916a1f15b35e82ac6a85f96e826c9d71d2248aa5d563be9 |
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font_02_sfnt_off00012e0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12E0B | 4324 bytes |
SHA-256: ff5f0ef16caf3e97cd1984b3a03ea88e11eab8cf63d2ee006085a4b9995833f3 |
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