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 hosted on disposable domains, suggesting a link farm or SEO spam operation. One of the primary URLs, 'https://resalured.ru/strik?utm_term=how+to+do+active+and+passive+voice', appears to be a redirector. The document body is heavily obfuscated and contains what appears to be garbled text, but the presence of external links and the heuristic firings strongly suggest a phishing or spam campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://resalured.ru/strik?utm_term=how+to+do+active+and+passive+voice PDF link annotation
- https://lebabipiw.weebly.com/uploads/1/3/0/9/130968925/77d349a67dacc41.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422133/normal_5fef82b98287f.pdfIn PDF document text
- https://zufunukilaje.weebly.com/uploads/1/3/4/8/134888690/dagojivobafuvuseg.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4410976/normal_60297f55ee534.pdfIn PDF document text
- https://goromezamoko.weebly.com/uploads/1/3/4/7/134753948/6879055.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4417664/normal_60aff4cb90ca3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4454971/normal_6003dbdb36d75.pdfIn PDF document text
- https://xebokedobonu.weebly.com/uploads/1/3/4/7/134719403/5935185.pdfIn PDF document text
- https://sogazefod.weebly.com/uploads/1/3/4/0/134000298/6336156.pdfIn PDF document text
- https://xogepavawoda.weebly.com/uploads/1/3/0/7/130740110/nuwemofijowakunarati.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368489/normal_60694e3a44458.pdfIn PDF document text
- https://raguwagoneneza.weebly.com/uploads/1/3/1/3/131384547/vosajix.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4376874/normal_6002e667c2e70.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4408864/normal_603d7d534a92c.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4393772/normal_605b435e7a4ce.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/789fc0e7-c986-4211-b1c5-b7a32b4ef26f/wefotosatirurimagu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/11883e3b-4ee4-4803-9e26-97df4e27e98c/varolebekogirukego.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/b40bde22-1f22-4df5-9ba6-819cec2e2533/73988049109.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/cb90531c-54a5-4dfb-b3cf-565c9a304904/how_to_repair_timex_watch.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/99d815ad-bcd1-44f6-a9e4-6c0868cef380/gexopulomubavilowo.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_off0000e62d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE62D | 5052 bytes |
SHA-256: ce7d4ee1b5d6285c1bda94570dd937b35a61b242d9ab01e6ed3516d532a3387b |
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font_01_sfnt_off0000f786.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF786 | 10952 bytes |
SHA-256: 528305d74a291e79f7254a5b45dd20d7f8a06d348c9adcdf7f5796d167e1681c |
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