MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
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 0.9940
Heuristics 5
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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 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://nomylo.ru/uplcv?utm_term=find+the+sum+of+the+first+10+terms+of+the+arithmetic+sequence PDF link annotation
- https://latgalesamatnieki.lv/files/file/97027738768.pdfIn PDF document text
- https://lenaoyunlar.com/calisma2/files/uploads/niluruzalatigereda.pdfIn PDF document text
- http://abnicum.com/files/file/sekifowobudalule.pdfIn PDF document text
- http://surausa.com/uploads/files/7255262422.pdfIn PDF document text
- http://minhanh.com/files/88911923219.pdfIn PDF document text
- http://kxxbs.com/uploadfiles/file/a/wutel.pdfIn PDF document text
- http://cistenivytahu.cz/upload/file/taxiwarew.pdfIn PDF document text
- https://venusnvs.com/userfiles/file/tapumabuzu.pdfIn PDF document text
- https://euforbiabulgaria.gbinvest.net/uploads/pages/files/73879978858.pdfIn PDF document text
- http://foto-recepty.sk/images/fotky/lugibiwu.pdfIn PDF document text
- https://catequesisnavarra.org/guiarte_userfiles/files/fomuw.pdfIn PDF document text
- http://china-zub.ru/userfiles/file/kevabusakiwapi.pdfIn PDF document text
- http://cokhixnktientien.com/Images_upload/files/55257385350.pdfIn PDF document text
- https://serviceservice.eu/userfiles/file/digutizuso.pdfIn PDF document text
- http://alsace.annuaire-regional.com/ckfinder/userfiles/files/tugim.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/39064229438.pdfIn PDF document text
- http://laptopplus.be/app/webroot/files/userfiles/files/digavuzaduveme.pdfIn PDF document text
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161410ff66fab1---50946293565.pdfIn PDF document text
- https://auf.vn/wp-content/plugins/super-forms/uploads/php/files/5ce7a7jfv9auh8f8dh0956gmf5/11214716788.pdfIn PDF document text
- http://vector-mebel.ru/uploads/files/89464076131.pdfIn PDF document text
- http://shesob.com/file/files/polexupajotanotimidew.pdfIn PDF document text
- http://gioiacompany.net/images/upload/file/71026061264.pdfIn PDF document text
- http://sculecuacumulator.ro/app/webroot/files/userfiles/files/68957978671.pdfIn PDF document text
- http://fertilityupdates.com/userfiles/files/pokozoronewawivemiz.pdfIn PDF document text
- https://cincia.ro/ckfinder/userfiles/files/nemexem.pdfIn PDF document text
- https://kuepancong.com/contents/files/mujosisezumijakabaxujiwo.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://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_off0000b7c1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7C1 | 11092 bytes |
SHA-256: 08e7de9bdb690b636127ba9b361ab4b0a390dcf54cf96b951bf78beb792a1bc6 |
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font_01_sfnt_off0000d13e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD13E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e950.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE950 | 17468 bytes |
SHA-256: de30863aa6b15060a3679b1a2f21ebe1907c21cdc855527b1c504401a4044699 |
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