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 0.9991
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=utilitech+transfer+pump+parts PDF link annotation
- https://static.s123-cdn-static.com/uploads/4470982/normal_5fcaa08c447ba.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4403534/normal_6054148c89d05.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4490116/normal_6054794bc1e12.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4368735/normal_5fd377222bdab.pdfIn PDF document text
- https://sulezesolujoseg.weebly.com/uploads/1/3/1/4/131452841/tebinupijalonekug.pdfIn PDF document text
- https://nenodomamik.weebly.com/uploads/1/3/4/0/134095987/pazavegezuwoni-sodosonalapak-fowufefi.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4380691/normal_5fcf96c8609ab.pdfIn PDF document text
- https://votebipeja.weebly.com/uploads/1/3/4/6/134672665/tegekofumubi.pdfIn PDF document text
- https://petekebinipaz.weebly.com/uploads/1/3/5/3/135395272/vabuded-lujopa-mojurudeted.pdfIn PDF document text
- https://pelimabogex.weebly.com/uploads/1/3/4/6/134685965/vuxofi_pebumiji_kemixewelez.pdfIn PDF document text
- https://gejilesiwurulu.weebly.com/uploads/1/3/4/3/134374779/xebogexefeji.pdfIn PDF document text
- https://rafopovuweke.weebly.com/uploads/1/3/2/7/132740485/romesoxifasubufom.pdfIn PDF document text
- https://monogelifanalo.weebly.com/uploads/1/3/5/3/135387447/fezimuvapu-goviwaxi-goxiniwunuz.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://s3.amazonaws.com/debamijizozexo/8467345854.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/69f5eb7e-4a67-4b03-8875-2657e500cc0e/google_making_us_stupid_or_smart.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0a81b4a2-0260-4daf-8a09-f65dbd9dd071/noxipub.pdfIn PDF document text
- https://21a67f6d-2aea-439f-a910-ed4feb6be009.filesusr.com/ugd/173616_688783bef39b448784152950e48648c7.pdf?index=trueIn PDF document text
- https://6d428a25-da86-44fa-8f13-5b0f09742281.filesusr.com/ugd/3649d2_485c831de5014bbbb3f41a457931d387.pdf?index=trueIn PDF document text
- https://uploads.strikinglycdn.com/files/c3d9aad4-106e-4df4-b193-f487bb701350/23224393731.pdfIn PDF document text
- https://4a7d9d2b-1d67-446c-8d6d-bdd3043d1f60.filesusr.com/ugd/c3d078_a058eea81550418484e7422356e4fe86.pdf?index=trueIn PDF document text
- https://s3.amazonaws.com/dazuxujepov/que_es_movimiento_rectilneo_uniformemente_variado.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/56042054-5ea9-4d2a-acd7-7814fb80a20b/how_to_clean_bose_wave_radio_cd_player.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
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000dc29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC29 | 5016 bytes |
SHA-256: 4bf54f13fc49cc2a4afae3b601171f64b91c9a72ff123a0b55de914e5fc375ef |
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font_01_sfnt_off0000ecfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECFD | 12164 bytes |
SHA-256: 0eb09945f031d637805e1009cb0c9cc253be06375f540e04c6e02814ee1b578e |
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font_02_sfnt_off000115ba.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115BA | 16204 bytes |
SHA-256: e93acd332f5893643511f4cefd38969ad5c744ad1b08842a788b6be7d277dd15 |
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font_03_sfnt_off00012ae8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AE8 | 4324 bytes |
SHA-256: 0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333 |
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