MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to PDF files on various domains, suggesting a link farm or redirection mechanism. The PDF_SEO_DISPOSABLE_LINK_FARM heuristic indicates a large number of distinct hosts and links, reinforcing the phishing or malware distribution intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://autoscuolavalerio.it/userfiles/files/93827914414.pdf In PDF document text
- https://tranthachcaodanang.com/uploads/image/files/2676645569.pdfIn PDF document text
- https://tybistanbul.org/resimler/files/53431243289.pdfIn PDF document text
- https://www.dogandemir.av.tr/paketler/ckfinder/dosyalar/files/91723911180.pdfIn PDF document text
- https://tennis-samara.ru/img/file/7031779994.pdfIn PDF document text
- http://ducthanggroup.com/webroot/img/files/5177143788.pdfIn PDF document text
- https://eghamatkade.com/basefile/eghamatkadecom/files/zivek.pdfIn PDF document text
- http://videotour24.com/data/fckupload/file/xiwebebiguf.pdfIn PDF document text
- http://scenekunstskolen-efteruddannelsen.dk/ckfinder/userfiles/files/fumifuzom.pdfIn PDF document text
- https://bharatiyabhashaparishad.org/ckfinder/userfiles/files/lunilimadizuwunibisut.pdfIn PDF document text
- http://dobermanncz.eu/files/wawudimejadokidi.pdfIn PDF document text
- https://ecohort.biz/userfiles/files/3806266275.pdfIn PDF document text
- http://consoles-a-gagner.com/fckeditor/userfiles/file/bodewosotibaxofe.pdfIn PDF document text
- http://fantalife.nl/userfiles/file/84770558631.pdfIn PDF document text
- http://businessvaluationapp.com/fck_files/file/zubulagituzakuredel.pdfIn PDF document text
- http://tincorner.vn/uploads/files/46084018298.pdfIn PDF document text
- https://uslugiinzynierskie.com/eurostyl/photos/file/buruxu.pdfIn PDF document text
- http://dc-3ed4d7413bdb.prshots.de/uploads/userfiles/1631094773/files/jupatotemudun.pdfIn PDF document text
- http://volkshilfe-vlbg.at/images/content/files/pezofadi.pdfIn PDF document text
- http://purplebyanki-com.bvirani.com/ckfinder/userfiles/files/27227831071.pdfIn PDF document text
- http://artediapharma.com/upload/files/39787861932.pdfIn PDF document text
- http://fongyoskert.hu/userfiles/files/73196117869.pdfIn PDF document text
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd5024d4a7---31779858468.pdfIn PDF document text
- http://flyingkirin.com/uploadfiles/file/092151039619.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=turn+off+auto+restart+androidPDF 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_off0000b436.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB436 | 17500 bytes |
SHA-256: 437efe21210eb46e944c52c2c0366b92bacb684774d2bd314ccd124baaa4b7e8 |
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font_01_sfnt_off0000e0c0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0C0 | 10364 bytes |
SHA-256: 3fdcec4cdccea56eb54788cc7e569a56870ee40449a9323f799b3035897c9a74 |
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font_02_sfnt_off0000f84d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF84D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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