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 0.9996
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://nipisod.ru/strik?utm_term=how+much+does+an+operations+manager+make+at+la+fitness PDF link annotation
- https://cdn-cms.f-static.net/uploads/4451356/normal_602c4df7604b6.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4382418/normal_603a59a4e596b.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4368224/normal_5fe15829bf000.pdfIn PDF document text
- http://5coupons.info/ruhs_bsc_nursing_syllabus_2019r4yma.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4367952/normal_5ffb8126e5217.pdfIn PDF document text
- https://cdn.sqhk.co/mamevugixej/XgjyFXS/totikawekuz.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4477400/normal_605f34887bff3.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4489244/normal_6014cd5c4b9eb.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4415946/normal_6015c9db7108c.pdfIn PDF document text
- http://watercart.ru/ninururibomadipadawinou0oem.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4370560/normal_6033b9b1147d0.pdfIn PDF document text
- http://hytri.com/rakegiwobofotowiguxkub3u.pdfIn PDF document text
- http://familyit.info/85600219726cc842.pdfIn PDF document text
- https://cdn.sqhk.co/nogugojuri/dMiDEjd/wilderness_survival_class_near_me.pdfIn PDF document text
- https://cdn.sqhk.co/xororasomig/GhfDQmf/space_invaders_infinity_gene_pc_download.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://b81e1767-bb0d-4562-9f98-cfef66859bb1.filesusr.com/ugd/b48b60_3f42ce0c49024e5ba6f7d67f7343fd32.pdf?index=trueIn PDF document text
- https://7fd672c9-0ac8-42d3-9d3c-9ebb2fbea2b4.filesusr.com/ugd/92785a_381c07f36077471d9e3c8d9726370968.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/d4dc18b5-48f6-43f4-954d-020a1b8b8a43/native_american_bear_symbol_with_arrow_meaning.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/4ef0ba1c-9369-438e-8fae-2989efdaf9b5/38221256015.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/59363398-ff26-4ad2-92a2-c760d40f4a30/vintage_polaroid_sun_600_lms_instant_camera.pdfIn PDF document text
- https://f904ef53-caa1-4f0f-8a97-c50675c03ece.filesusr.com/ugd/2f8cea_963c62251c0242ecac0f457fe02bd233.pdf?index=trueIn PDF document text
- https://ac734925-007a-49fa-9a6b-2340142042ec.filesusr.com/ugd/ea78e0_200b5c34bd6d478d98f0491e83a505eb.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD0B | 5684 bytes |
SHA-256: 1bebfac105a500da20372b2be6ef7d46dc29b275c954d3b4a6a7db1ff5df738e |
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font_01_sfnt_off00011045.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11045 | 11228 bytes |
SHA-256: 0733a705b9a59fcedc07cab446d83ec003051221108eeab8c5c48f2b4b1bca77 |
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