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 0.9998
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://maypoin.ru/123?utm_term=ib+2020+exam+schedule+november PDF link annotation
- https://cdn-cms.f-static.net/uploads/4421639/normal_5fd29db377d6d.pdfIn PDF document text
- https://nosodelutota.weebly.com/uploads/1/3/1/8/131857544/99856.pdfIn PDF document text
- http://xakuneferufilew.iblogger.org/29271623293.pdfIn PDF document text
- https://cdn.sqhk.co/jadepibake/iUQVNjb/black_friday_2020_ads.pdfIn PDF document text
- https://cdn.sqhk.co/toromerepowa/gjcjiic/83746113776.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4383704/normal_5fefcd54a63da.pdfIn PDF document text
- https://static.s123-cdn-static.com/uploads/4501212/normal_5ff3ea7851372.pdfIn PDF document text
- https://tivepikilusu.weebly.com/uploads/1/3/4/7/134759048/5221001.pdfIn PDF document text
- https://menuzuxa.weebly.com/uploads/1/3/1/0/131070619/da0de1a9.pdfIn PDF document text
- https://cdn.sqhk.co/gupuwiwi/S2Ngiif/jebenadaxeligu.pdfIn PDF document text
- https://ratojomivufal.weebly.com/uploads/1/3/1/4/131453965/resen-xutozakarada-lepor-vivusixojamus.pdfIn PDF document text
- https://cdn.sqhk.co/potasuregoz/GIpkicw/bebogevifodilatiwod.pdfIn PDF document text
- https://cdn.sqhk.co/lesebonun/kGvYmjg/37923136908.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- http://muzudamufuvase.rf.gd/cavity_conditioner_safety_data_sheet.pdfIn PDF document text
- http://konevimojo.epizy.com/16018079897.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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000111a1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111A1 | 5656 bytes |
SHA-256: 625488cbf4fc29916278ca74cc1bf1037f15fe4002d4a9c4ee10dd4f938adec7 |
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font_01_sfnt_off000124b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124B8 | 11968 bytes |
SHA-256: e3ae7d716c1e68210adeb185cb52e3909d23d7acc98a6b8c735a23c1c30efe2e |
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