MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to disposable domains, characteristic of a link farm designed to distribute malicious content or phish for credentials. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' strongly suggests this malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9906
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 http://litho-and-co.fr/ckeditor/upload/files/zuxixaleketejulamaluw.pdf In PDF document text
- http://pospatrans.cz/UserFiles/File/sidaxu.pdfIn PDF document text
- http://xn----ftbkdcamitb5h.xn--p1acf/files/fck/file/38807469201.pdfIn PDF document text
- http://hennel.hu/sources/elemek/file/69762125926.pdfIn PDF document text
- https://hydratrend.com/application/third_party/ckfinder/userfiles/files/12166825110.pdfIn PDF document text
- http://penzionnakrizankach.cz/ckfinder/userfiles/files/73056937199.pdfIn PDF document text
- http://zatoodesign.com/userfiles/files/rubunotuveruxamarogetewe.pdfIn PDF document text
- https://1tlstar.com/storage/uploads/files/14228882123.pdfIn PDF document text
- https://rajaketiga.com/contents/files/47898397518.pdfIn PDF document text
- http://n-production.com/upload/fckeditor/file/kowoverexebomog.pdfIn PDF document text
- http://huerural.com/uploads/image/files/zusefelujoxa.pdfIn PDF document text
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615619d329dbe---21742155628.pdfIn PDF document text
- https://parlagame.com/calisma2/files/uploads/33182888711.pdfIn PDF document text
- http://slmj8.com/data/userfiles/files/kunelopo.pdfIn PDF document text
- http://pieseclimaauto.com/files/file/sogivodulomabu.pdfIn PDF document text
- http://nessie-vinylcare.com/file/77795543560.pdfIn PDF document text
- https://kuni.ro/app/webroot/files/userfiles/files/nuvemevazumigamitazu.pdfIn PDF document text
- http://kdekdyjak.cz/data/23571577747.pdfIn PDF document text
- https://steklo-shik.ru/userfiles/file/94102793495.pdfIn PDF document text
- http://ulv-fogger.ru/d/files/73184751131.pdfIn PDF document text
- http://jorkurojus.com/userfiles/file/47340774778.pdfIn PDF document text
- http://studiovalentini.eu/userfiles/files/vezezenunabarurezifidilo.pdfIn PDF document text
- https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/kazekakememogunelagakogi.pdfIn PDF document text
- http://aal.tw/uploads/htmlupload/files/buteri.pdfIn PDF document text
- http://hytechcommunications.com/userfiles/file/34739066121.pdfIn PDF document text
- http://feedproxy.google.com/~r/MbOu/~3/tgwjJlsMqHc/uplcv?utm_term=reference+style+in+researchPDF link annotation
- 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_off00020f64.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x20F64 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0002277b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x2277B | 10472 bytes |
SHA-256: 57fb25d2c3655c77337d7efd3a576779c49236753c9089da8dc685741b4477ff |
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font_02_sfnt_off00023f36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x23F36 | 23892 bytes |
SHA-256: 516934b1654dcf73d3516d8ee6c9931738c90152deb6062b8fa225b2d3b6afb8 |
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