MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous external links, including a prominent one to 'soxebez.ru', which is flagged as a redirector. This suggests an attempt to lure users to a malicious site, likely for phishing or to download further malware. The presence of PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK heuristics indicates a deliberate effort to create a link farm for SEO purposes, potentially to improve the ranking of the malicious redirector. The ML classifier and ClamAV also strongly indicate maliciousness.
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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Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINKPDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
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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://soxebez.ru/strik?utm_term=tascam+dr-05+stereo+portable+digital+audio+recorder PDF link annotation
- https://s3.amazonaws.com/jolituzoji/37210976663.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4455376/normal_6058d73d3f1cb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4417403/normal_5fee619b8bccd.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4422368/normal_5fe40412d51ca.pdfIn PDF document text
- https://s3.amazonaws.com/nisiwanolom/pert_chart_critical_path_template.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4392861/normal_5fef0d45d0e95.pdfIn PDF document text
- https://fipokotosa.weebly.com/uploads/1/3/4/5/134506619/gekeloxifebavoroziko.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4495531/normal_5fe5b23f872eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4472204/normal_602407b10bab0.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443337/normal_5fd68516c05a8.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4463532/normal_5ff1ff70eeea1.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4492245/normal_60294b6f3baa6.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4418973/normal_5ffc697ba3730.pdfIn PDF document text
- https://s3.amazonaws.com/sowewazulejewi/forbidden_archeology.pdfIn PDF document text
- https://s3.amazonaws.com/vosimalume/data_science_degree_texas_am.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4374198/normal_602bff2edcfba.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368759/normal_600316b84c8e3.pdfIn PDF document text
- https://wirolarem.weebly.com/uploads/1/3/1/6/131636642/pinujafili.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4498345/normal_5fc8723c7b03f.pdfIn PDF document text
- https://s3.amazonaws.com/kugelilizibuwum/77474183563.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/a889399d-a7b9-4d5f-89d2-03414118de6b/how_to_study_for_ccs_cases_step_3.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/1ad3f049-0fff-4d46-adc1-a6ab4ed915c5/how_much_is_a_netherland_dwarf_rabbit_eat.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/80604c87-391b-4898-89e3-446d3665e60d/65111894176.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_off0000e6cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6CB | 5780 bytes |
SHA-256: 6e7a862508aa9228df32d5120a4039ff98b5b88bbb8ef6c8c5f421f195008573 |
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font_01_sfnt_off0000fa59.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA59 | 11600 bytes |
SHA-256: bdb4a5e3c8d052d44821ce56697b86b6da41fe26073d54c1d3f4d9074986d68f |
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