MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. The PDF contains numerous embedded URLs, many pointing to disposable domains, suggesting a link farm designed to redirect users. While no scripts were explicitly extracted, the PDF structure and heuristic firings point towards an attempt to exploit users through malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
Heuristics 5
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://skiflogistics.ru/userfiles/file/54638965362.pdf In PDF document text
- http://jagatjyotischool.org/jagatjyotischool/userfiles/file/mifede.pdfIn PDF document text
- http://clingac.com/d/files/7234392746.pdfIn PDF document text
- http://orem.mn/uploads/files/tiribuxonogugibamepi.pdfIn PDF document text
- http://fabtur.ru/upload/files/16524960396.pdfIn PDF document text
- http://s2group.pl/userfiles/file/39832979320.pdfIn PDF document text
- https://camphacement.vn/upload/files/57805495786.pdfIn PDF document text
- http://lammensfilip.be/uploads/files/luvoderejom.pdfIn PDF document text
- http://xn--80aaa1acmiejxr6d7fg.xn--p1ai/data/files/67848426302.pdfIn PDF document text
- http://bobmeetin.com/media/galleries/files/47990052426.pdfIn PDF document text
- http://futimisdev.com/userfiles/file/vumukifuzoluluja.pdfIn PDF document text
- http://guchen.ru/d/files/1357650796.pdfIn PDF document text
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/48al5ft0i1rmeha3b3vo8phpq7/99366395253.pdfIn PDF document text
- https://spyboarcams.com/files/81705957771.pdfIn PDF document text
- https://photojet.net/userfiles/file/27328101022.pdfIn PDF document text
- http://stauarchitetti.eu/userfiles/files/daxizifaniferamino.pdfIn PDF document text
- https://tailormade-sales-marketing.com/userfiles/file/6742548895.pdfIn PDF document text
- https://netiko.fr/img/Data/file/retidu.pdfIn PDF document text
- http://refmexgl.com/web/uploads/assets/userfiles/file/26579057426.pdfIn PDF document text
- http://eot.mn/uploads/userfiles/files/bugafu.pdfIn PDF document text
- http://backkwang.com/userData/board/file/bofukorexerekik.pdfIn PDF document text
- http://studiocariola.com/userfiles/files/12441261227.pdfIn PDF document text
- http://ibconsulting.it/userfiles/files/69067781488.pdfIn PDF document text
- http://yasaitogo.com/uploads/files/tokazuno.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=windows+7+full+activatedPDF 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_off0000dcf5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDCF5 | 17424 bytes |
SHA-256: a1c6df6554c54321ea9d07187ad11a22a3f97e33027cc8153fdc6bb682ced4d5 |
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font_01_sfnt_off00010a27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A27 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001223e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1223E | 10664 bytes |
SHA-256: df02fbd26e4ba174a6db77ae39116c65d4b98cb12ab5ae50bc85aa8e42bd89d2 |
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