MALICIOUS
134
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by ML classifiers and ClamAV as malicious, with a critical severity rating. It contains embedded JavaScript, which is often used to exploit PDF vulnerabilities or redirect users. The PDF also exhibits characteristics of a link farm, with a high number of external URIs pointing to various domains, suggesting a phishing or malware distribution attempt.
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://como.gattinonimondodivacanze.it/themes/userfiles/files/pabobidudesadiwubelafid.pdf In PDF document text
- http://gldbirdgel.com/user_img/files/32599804139.pdfIn PDF document text
- https://baglab.pl/galeria/file/pemodaridig.pdfIn PDF document text
- https://atputasbaze.lv/images/userfiles/files/93499734632.pdfIn PDF document text
- https://thucphamtruongxanh.com/Upload/files/zerawuwokinejiparetukako.pdfIn PDF document text
- http://choragwica.pl/userfiles/file/wumukavoriloputomon.pdfIn PDF document text
- http://kaies.net/upfiles/file/42540231808.pdfIn PDF document text
- http://tacchigroup.com/public/thread/risorse/file/zagugabirovad.pdfIn PDF document text
- https://nstoplana.rs/ckfinder/userfiles/files/bimuravubawobepozunofavuk.pdfIn PDF document text
- https://www.sensormaticltd.com/app/templates/js/ckfinder/userfiles/files/50435381711.pdfIn PDF document text
- http://pune-india.info/userfiles/file/69684718404.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161342f71d4c17---157827346.pdfIn PDF document text
- http://xn--90aoaidn.xn--p1ai/ckfinder/userfiles/files/bozoz.pdfIn PDF document text
- http://micronforgacsolo.hu/UserFiles/file/fobukisawuremipupe.pdfIn PDF document text
- http://rothemtour.com/FileData/ckfinder/files/20210919_77DDEA0DAC5A1FDB.pdfIn PDF document text
- https://wronba.pl/uploads/wysiwyg/file/12181495449.pdfIn PDF document text
- https://cottingham-group.com/cufiles/files/furuwajiw.pdfIn PDF document text
- https://chameleoncoupons.com/adgprocessing/uploads/files/43165102193.pdfIn PDF document text
- http://www.urbanwaterways.info/files/sujovuluguna.pdfIn PDF document text
- http://think6.net/ckfinder/userfiles/files/20210920061305.pdfIn PDF document text
- http://tehnicgaz.eu/files/file/zapajaboru.pdfIn PDF document text
- http://spamsmsgiare.com/media/ftp/file/gufuruwidi.pdfIn PDF document text
- http://niktid.ru/userfiles/file/84376103412.pdfIn PDF document text
- https://rugsinc.in/UserFiles/files/gefipu.pdfIn PDF document text
- http://aexpress.lv/index/images/up/file/79228584164.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+root+via+adbPDF 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_off0000b880.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB880 | 10076 bytes |
SHA-256: f6faea0fc46b2966ba95fd2eb2d1123dd3ebfe6a22645c4bad7bd693d42a28fa |
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font_01_sfnt_off0000cf0a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF0A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e71c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE71C | 17344 bytes |
SHA-256: 0213ed69b28bc8595fb93e9232d4f7b0740f419d20fd782cef4b0eb5ef6f8b5f |
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