MALICIOUS
186
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF file was identified as malicious by a ML classifier and ClamAV, detecting it as a phishing trojan. It contains a large number of external links, many hosted on disposable domains, suggesting a link farm or SEO spam operation. The embedded document body text, though corrupted, contains keywords related to drilling procedures, likely serving as a lure to attract users to click on the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9995
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://baarspo.ru/strik?utm_term=borehole+drilling+procedure+pdf PDF link annotation
- https://cdn-cms.f-static.net/uploads/4374021/normal_606205e4efd73.pdfIn PDF document text
- https://tutonaxubetu.weebly.com/uploads/1/3/5/2/135296536/ee625c8d2b6.pdfIn PDF document text
- https://zibamikalizofu.weebly.com/uploads/1/3/1/4/131409526/pitatusavur_namisezabiwo.pdfIn PDF document text
- https://xagaxomopezegif.weebly.com/uploads/1/3/4/3/134355140/6f2037b85b45.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4474223/normal_5fdae2177a783.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4375885/normal_6014824d29175.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4402261/normal_600397983fad7.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4369629/normal_6004a43353418.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4426972/normal_606405d573ac9.pdfIn PDF document text
- https://xinemituvirow.weebly.com/uploads/1/3/4/1/134108685/ae24c74883eb2bb.pdfIn PDF document text
- https://nakilogizo.weebly.com/uploads/1/3/4/3/134363069/rasovixamonulesava.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4409393/normal_60116034eae26.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4369782/normal_60243c26ad078.pdfIn PDF document text
- https://rezizeme.weebly.com/uploads/1/3/0/7/130775554/pukikonap.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4460725/normal_5fcbd69f8a144.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4450041/normal_5fefa85229256.pdfIn PDF document text
- https://wazumiwu.weebly.com/uploads/1/3/6/0/136038811/79612fde.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://uploads.strikinglycdn.com/files/7ff6aa6b-fbda-4b95-b7fb-0d174ccda89d/natazufasositelozezumovu.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/54532415-f93d-4073-b6ce-3d3ea856b4c1/62712633917.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/fe004139-e280-4119-89e5-42ec5d126ecf/10613255232.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/0c81516c-5370-4e5e-9ea2-ee3568d68ff7/denon_avr_3808_remote_control.pdfIn PDF document text
- https://uploads.strikinglycdn.com/files/19c6bc5d-1952-487a-a92f-390317bbc681/22509143458.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_off0001005c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1005C | 5080 bytes |
SHA-256: 412af64cf54b13d6886d2bf16934066bb108f7a5dba0751ca88fa04fb8f3954f |
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font_01_sfnt_off000111a4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A4 | 3616 bytes |
SHA-256: cedc82eaf3ad254c0b4160f0d13efb9a3c0987f490618431067726c87b5efa98 |
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font_02_sfnt_off00011fbe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FBE | 10944 bytes |
SHA-256: 902622fc264e4ef7a9a7c5d889db26af61de01f52e12f8527f9210c3bacafb0c |
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