MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains a large number of external links, suggesting it functions as a link farm designed to redirect users to potentially harmful websites. The embedded URL 'https://crewmak.ru/pbw?utm_term=happy+birthday+pic+name' further supports the phishing lure by referencing a birthday image.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://crewmak.ru/pbw?utm_term=happy+birthday+pic+name PDF link annotation
- https://cdn-cms.f-static.net/uploads/4406169/normal_60415949c4485.pdfIn PDF document text
- https://gujejitemisadud.weebly.com/uploads/1/3/4/3/134354005/9d839ad95ded.pdfIn PDF document text
- https://detubutil.weebly.com/uploads/1/3/5/3/135348338/vuxugazexeribuxom.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4457312/normal_604ae11c6ed8f.pdfIn PDF document text
- https://jubukukovojiri.weebly.com/uploads/1/3/5/3/135306868/9405962.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4380384/normal_6028ab031d1dc.pdfIn PDF document text
- https://rogapunuki.weebly.com/uploads/1/3/4/3/134375427/redad-xebil-luvarajezejixop.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4484612/normal_60507f0634f7a.pdfIn PDF document text
- https://rugulobasogaje.weebly.com/uploads/1/3/4/7/134770789/5146018.pdfIn PDF document text
- https://fetofopup.weebly.com/uploads/1/3/4/5/134507679/bakavesekuvot-tewonegi-kujominub.pdfIn PDF document text
- https://rilulukopidu.weebly.com/uploads/1/3/5/3/135323077/kawim.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4379851/normal_606b82ec853eb.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4478133/normal_5ff7abb750104.pdfIn PDF document text
- https://motikefivenigem.weebly.com/uploads/1/3/4/7/134709332/jifofulukamu.pdfIn PDF document text
- https://nuruvubapifak.weebly.com/uploads/1/3/1/4/131452890/3551747.pdfIn PDF document text
- https://purusexubike.weebly.com/uploads/1/3/4/0/134000510/dokuvezenaw.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://uploads.strikinglycdn.com/files/a80024f3-8746-4a21-a07e-cb6194cf9e85/39455673771.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/a51c591f-78fc-4848-986a-1532f6c5e8d5/how_to_use_bushnell_tour_v2.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/94a7443c-6b70-4bd6-b444-431bf2b6667e/audio_technica_lp60_bt_setup.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_off0000c901.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC901 | 4984 bytes |
SHA-256: 07fdaf733bead07914a4ef50d59a49b0b692997c5e0ad831c67baa1414f1aa5e |
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font_01_sfnt_off0000d9b6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9B6 | 10580 bytes |
SHA-256: 64f62e95c2b16cfeaba330a2270c25261ef8d6c6cd89ee85e2d017537534f5d8 |
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font_02_sfnt_off0000fddc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFDDC | 4324 bytes |
SHA-256: 9f355172d696dda274cac500966718f112ce76951f19577ac4888987ea6471b2 |
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