MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.
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://pelibifir.ru/123?utm_term=bootstrap+form-+control+max+width PDF link annotation
- https://cdn-cms.f-static.net/uploads/4502268/normal_60698537129c9.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4402504/normal_604de29a9bd7a.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369776/normal_60016599144d5.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4427267/normal_6066fedb9654f.pdfIn PDF document text
- https://javesobasi.weebly.com/uploads/1/3/4/7/134736097/sozofegulogu.pdfIn PDF document text
- https://getomipo.weebly.com/uploads/1/3/4/4/134403721/1545625.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375704/normal_60260db8353a2.pdfIn PDF document text
- https://xudepafuvinuk.weebly.com/uploads/1/3/0/9/130969511/5333359.pdfIn PDF document text
- https://vopoxeja.weebly.com/uploads/1/3/5/3/135346001/2613923.pdfIn PDF document text
- https://nepexinis.weebly.com/uploads/1/3/1/4/131438592/kotiguraka.pdfIn PDF document text
- https://bagesasadav.weebly.com/uploads/1/3/4/3/134383367/tawaxut.pdfIn PDF document text
- https://zireguxeked.weebly.com/uploads/1/3/4/8/134863403/jefavef_vipipizuvotevuf_fasexawotazuti_viximolebotalo.pdfIn PDF document text
- https://static.s123-cdn-static-d.com/uploads/4365619/normal_60b1a25db19ba.pdfIn PDF document text
- https://masezinonorokun.weebly.com/uploads/1/3/4/6/134685416/nevuvivujom_besuxikulelogur.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459328/normal_600fd7f042186.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://ridelox.pbworks.com/w/file/fetch/144467313/najadarisogukaz.pdfIn PDF document text
- http://sipibujewadu.pbworks.com/f/rangers_of_shadow_deep_vf.pdfIn PDF document text
- http://ropotupi.pbworks.com/w/file/fetch/144562362/how_do_i_reset_my_onkyo_receiver_tx_sr373.pdfIn PDF document text
- http://xifatarege.pbworks.com/f/dead_suns.pdfIn PDF document text
- http://kizisoj.pbworks.com/w/file/fetch/144519843/fofinurevef.pdfIn PDF document text
- http://maxasol.pbworks.com/f/voxixabuponufinotab.pdfIn PDF document text
- http://jutifakukap.pbworks.com/f/how_to_calculate_volume_of_irregular_trapezoid.pdfIn PDF document text
- http://vakerul.pbworks.com/f/96977336044.pdfIn PDF document text
- http://jetipufagi.pbworks.com/f/what_is_the_key_difference_between_aerobic_and_anaerobic_respiration_in_prokaryotes.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_off0000f805.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF805 | 5636 bytes |
SHA-256: de9d61a1a0421265cda100df069dad092ddcb038dc3acc033e716589a728267f |
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font_01_sfnt_off00010b2a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B2A | 10996 bytes |
SHA-256: 6bff69a0b597f4b9bc51fcef2bd5482827703dd797f08ad3a16bfa8234bee7de |
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