MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF document contains a link farm with numerous external URLs, many of which are hosted on disposable domains and appear to be SEO-related. One prominent URL, 'https://seumenha.ru/strik?utm_term=serial+microsoft+office+professional+plus+2013+key', suggests a lure related to software activation keys. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution.
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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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://seumenha.ru/strik?utm_term=serial+microsoft+office+professional+plus+2013+key PDF link annotation
- https://cdn-cms.f-static.net/uploads/4384029/normal_6061621053449.pdfIn PDF document text
- http://bodegumuxizobi.22web.org/74877257015.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4413109/normal_5fe85d256adb6.pdfIn PDF document text
- https://lorajezaked.weebly.com/uploads/1/3/4/3/134367433/ba299f5e5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4390381/normal_5fe9d0d49d4e2.pdfIn PDF document text
- https://gixujadimi.weebly.com/uploads/1/3/4/7/134708567/7f597768.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4464529/normal_6031e97026da3.pdfIn PDF document text
- http://junemam.22web.org/atlassian_jira_manual.pdfIn PDF document text
- https://bigadamedoje.weebly.com/uploads/1/3/1/3/131384249/lezumelasibi-baxozesovumez.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4500668/normal_606029d597edf.pdfIn PDF document text
- https://nonedavoxezi.weebly.com/uploads/1/3/5/9/135956696/1905070.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4367642/normal_601b4106ca7b3.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368949/normal_60021a805c305.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403414/normal_603d3970e7862.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4449776/normal_5fe61c0b89ef3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4454277/normal_5fd6ee58a1ffa.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/422dcc0b-0892-484b-b19b-ce58803d40ec/how_long_does_it_take_to_learn_how_to_read_tarot_cards.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/eeec3687-a9aa-4703-b51b-085fa28e4c41/walmart_black_friday_hours_ma.pdfIn PDF document text
- http://jojudodadanu.epizy.com/vijul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/7a0c3ef1-4723-4676-acde-f54225717ed3/modelo_para_constituir_una_sociedad_por_acciones_simplificada.pdfIn PDF document text
- http://dafiwogi.rf.gd/fusionner_en_un_seul.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/787e4dc5-4ab8-479f-8f88-344c51957f72/call_me_by_your_name_watch_online_uk.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/6c6379ce-df27-4c14-90ef-a437479062a8/fefakotudifatoviriripak.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_off0000e762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE762 | 5920 bytes |
SHA-256: cd1b3c0c2dfb8ae1cdaa78b324a37c667fbf69b97fb278b1f102a98411a69ee7 |
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font_01_sfnt_off0000fb7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB7F | 10384 bytes |
SHA-256: b5a15426cc7589a8d398663c32886fbe771f6992a550032791ae85c3d13936ac |
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