MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous external URIs and is flagged as a link farm on disposable hosting, suggesting a phishing or malware distribution scheme. The presence of urgency lures further supports a phishing attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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 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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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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://medvor.ru/uplcv?utm_term=labor+day+vacation+deals+2020 PDF link annotation
- https://eastmanllc.com/ckfinder/userfiles/files/82942508193.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/nebizazafivagufakevidena.pdfIn PDF document text
- https://samsungvrvklima.com/upload/ckfinder/files/44607357754.pdfIn PDF document text
- http://gesht.ru/admin/ckfinder/userfiles/files/beliwobavurenopirunumupu.pdfIn PDF document text
- http://konakelektrik.com/userfiles/file/jopelavulabiwatoxulagevi.pdfIn PDF document text
- http://marymo.ru/uploads/files/ximife.pdfIn PDF document text
- https://www.3dreamchurch.com/wp-content/plugins/super-forms/uploads/php/files/f7418604fe24ed6f9e7b27510c3cb28a/nosufijixu.pdfIn PDF document text
- https://gulfsupremesa.com/ckfinder/userfiles/files/20116232916.pdfIn PDF document text
- https://flavio-tonon.it/public/file/89171987564.pdfIn PDF document text
- http://egitara.com/upfiles/files/74516909382.pdfIn PDF document text
- http://cyc.cz/pictures/clanky/files/wowebibiwim.pdfIn PDF document text
- http://studiosantomauro.it/userfiles/files/55385901963.pdfIn PDF document text
- https://bya-ingenieria.com/ckfinder/userfiles/files/safozevunofij.pdfIn PDF document text
- http://gocash2u.xyz/userfiles/file/ruwosijukitavugizilowas.pdfIn PDF document text
- https://j26clean.com/upload/files/48142794308.pdfIn PDF document text
- https://led7.ru/file/buzobi.pdfIn PDF document text
- https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16156b55cc82db---55496505563.pdfIn PDF document text
- http://ohdiabo.net/images/ckeditor/files/48637463811.pdfIn PDF document text
- http://coinproject.com/userfiles/image/file/mowakinipumenumedutojepek.pdfIn PDF document text
- http://alumcity.ru/userfiles/file/nuwaruxavinafi.pdfIn PDF document text
- https://rlmahtani.com/userfiles/files/nebedevagajeboxu.pdfIn PDF document text
- http://rooptex.com/uploads/piteko.pdfIn PDF document text
- https://kaptenhoki.org/contents/files/89338412201.pdfIn PDF document text
- https://cakamuzejs.riga.lv/ckfinder/userfiles/files/55813921292.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_off0000eada.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEADA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000102ec.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x102EC | 19920 bytes |
SHA-256: 02f207ece91a33b1547a39f643c0942c398d85c1f5bf7f4302188db21785c565 |
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font_02_sfnt_off00013719.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13719 | 10880 bytes |
SHA-256: 2900118a67d819f6a3581d8f8eba4a7c630c46c5af543571e4aab3afc35297c6 |
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