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 0.9997
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://leonvi.ru/wix?keyword=algebra+2+introduction+to+polynomials+worksheet PDF link annotation
- https://kerijene.weebly.com/uploads/1/3/4/3/134367262/fovaguwunojuwu_terab_seripakukako_nimonomed.pdfIn PDF document text
- https://fobujetomifaj.weebly.com/uploads/1/3/4/7/134765034/kesaxulo.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4387582/normal_5fdb958738e1f.pdfIn PDF document text
- https://vamawawu.weebly.com/uploads/1/3/0/8/130874524/8965551.pdfIn PDF document text
- https://gubaxefu.weebly.com/uploads/1/3/4/5/134592394/vuvepebemitiraz-nufaki.pdfIn PDF document text
- https://runidodejifam.weebly.com/uploads/1/3/4/0/134040950/boxugoxuvivafos.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4443354/normal_6010f7bca244f.pdfIn PDF document text
- https://lakiliwurig.weebly.com/uploads/1/3/6/0/136089988/ac7bae185ff1a.pdfIn PDF document text
- https://guwepejesa.weebly.com/uploads/1/3/2/8/132814432/3917696.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4460954/normal_6049463d8503e.pdfIn PDF document text
- https://wuvibimujefo.weebly.com/uploads/1/3/4/7/134705329/6708174.pdfIn PDF document text
- https://kijeluve.weebly.com/uploads/1/3/4/2/134266469/293281.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4459166/normal_601f214561bd3.pdfIn PDF document text
- https://poxolegap.weebly.com/uploads/1/3/1/0/131069824/1347220.pdfIn PDF document text
- https://cdn-cms.f-static.net/uploads/4480149/normal_5fd23bd550cad.pdfIn PDF document text
- https://kifeketefisub.weebly.com/uploads/1/3/5/3/135347095/pojoga-muxoduvimosu-nitolonijuneta.pdfIn PDF document text
- https://morurotefat.weebly.com/uploads/1/3/4/3/134317018/9c750b3ff2.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://s3.amazonaws.com/lanaladu/95859463130.pdfIn PDF document text
- https://s3.amazonaws.com/lupebesu/36308427701.pdfIn PDF document text
- https://s3.amazonaws.com/faxaxos/45771216906.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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010d97.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D97 | 6004 bytes |
SHA-256: dbb553a7f6c4d975049d440b853b3f6551d9e9c795449c6f247988689b480fb4 |
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font_01_sfnt_off000121f3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121F3 | 10868 bytes |
SHA-256: 84b0822d92068a0af43290da73edad67d54165b7bd0577d846560e88b267ef84 |
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font_02_sfnt_off0001473a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1473A | 16356 bytes |
SHA-256: a5337a003b0b8ca27ae5748cb4371390c854405128ded512e85157f8fe78d6e3 |
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