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://vilenefex.ru/award?keyword=morfologi+nyamuk+anopheles+pdf PDF link annotation
- https://cdn.sqhk.co/xujurovemu/iaahhdN/adaptive_fast_charging_or_quick_charge_2._0.pdfIn PDF document text
- https://cdn.sqhk.co/nobipajami/jyhbl11/baking_recipes_with_biscuits.pdfIn PDF document text
- https://cdn.sqhk.co/zifeduwa/h9wiggj/holst_the_planets_mars_time_signature.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4391954/normal_5fddcc366fca8.pdfIn PDF document text
- https://cdn.sqhk.co/nonuripot/R4gejig/nba_2k20_release_date_ps4.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4413019/normal_5fc8c66de788c.pdfIn PDF document text
- https://cdn.sqhk.co/xugiwatokax/je13Zjj/98994890152.pdfIn PDF document text
- https://cdn.sqhk.co/vovewotutal/lNigvjC/gilapijuzizurebipasukiwug.pdfIn PDF document text
- https://cdn.sqhk.co/segenapiza/5n59zeL/highway_rider_game_download.pdfIn PDF document text
- http://lakshmi-store.ru/nufadipugogusuwvvbj2.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4378619/normal_5ff941c8eddd7.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4470692/normal_603b5dcf31073.pdfIn PDF document text
- https://cdn.sqhk.co/puzusagilem/cxhigjz/woletizojisepo.pdfIn PDF document text
- http://helpforteam.com/mesajewululv3d.pdfIn PDF document text
- https://cdn.sqhk.co/gobopovupav/GAjghb8/redigidunugifaxok.pdfIn PDF document text
- https://cdn.sqhk.co/xuxiropuwomo/ifigJPr/70_s_80_s_music_radio_stations.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://www.daltonmaag.com/In PDF document text
- https://042e50b4-45d0-4577-915a-c14d43ab21ad.filesusr.com/ugd/18f527_41fb31696ca44b9a902e2e5f9ed365d4.pdf?index=trueIn PDF document text
- https://56db2a4d-09ce-4ff6-a558-abb1d6727cd4.filesusr.com/ugd/003b86_422d7a244d63480685698df64779ef88.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lomogas/lelofijevim.pdfIn PDF document text
- https://51bf459c-6b46-41b0-863f-532cf8a77e0d.filesusr.com/ugd/2eedf1_dd1625b3c3674a3ca7c385afb31c39fd.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/lumixi/94535415626.pdfIn PDF document text
- https://s3.amazonaws.com/feborobegibew/fetal_circulation_flow_chart.pdfIn PDF document text
- https://s3.amazonaws.com/potofaw/58427715865.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0001605b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1605B | 5428 bytes |
SHA-256: efe5dc89a7200987efb0780e144b09b988092542668bd7d8968a217e53cbecff |
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font_01_sfnt_off000172b0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x172B0 | 11712 bytes |
SHA-256: 84139d5cbdefd1635b1c11d236de95a03426f777f7e83f666d5bc8d083dcab40 |
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font_02_sfnt_off00019a89.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19A89 | 4324 bytes |
SHA-256: 7f6049e5011acf0e8581793f2bc2bb947aac2929fdb77abc318b2a6155c1ef71 |
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