MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains numerous embedded URLs, many pointing to external sites, suggesting a phishing or malware distribution scheme. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically flags the document as a link farm on disposable hosting, reinforcing the malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://kiapelhrimov.cz/UserFiles/File/42794148361.pdf In PDF document text
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/30be75d4de8e7b5985eaf4d425015697/66508341637.pdfIn PDF document text
- https://cityface.cz/res/file/setagawam.pdfIn PDF document text
- http://pure-chiral.com/upload/files/dubedekijujiwuvabokane.pdfIn PDF document text
- http://goldenmallbiotech.com/upload/files/30174663005.pdfIn PDF document text
- http://waycreon.net/bhaskar/yii/upload/files/12072599375.pdfIn PDF document text
- http://mcutech.net/files/liretuxig.pdfIn PDF document text
- https://krajkarka.cz/userfiles/file/bujogoliwebuga.pdfIn PDF document text
- http://chaukitchen.com/uploads/files/21985176873.pdfIn PDF document text
- https://embassyinvietnam.com/webroot/img/files/49978166137.pdfIn PDF document text
- https://seeyounow.net/userfiles/file/63022090207.pdfIn PDF document text
- https://stmarys-perthamboy.com/upload/File/minuzawibisiza.pdfIn PDF document text
- http://corkpotters.com/images/5714945080.pdfIn PDF document text
- https://daulte.com/ckfinder/userfiles/files/xigumuwigosexuxe.pdfIn PDF document text
- http://dkkarsin.pl/img/upload/files/dujojadomimituwi.pdfIn PDF document text
- http://njbeihang.com/uploadfile/file///2021090905235645.pdfIn PDF document text
- http://jonme.net/ckupload/files/1073931426.pdfIn PDF document text
- http://avesta-hmora.boj.se/uploads/userfiles/files/65009464175.pdfIn PDF document text
- http://kirakuramen.com/uploads/files/64112353798.pdfIn PDF document text
- https://www.sesc-am.com.br/Selecao/ckfinder/files/42524323523.pdfIn PDF document text
- https://ascend.sut.ac.th/ce/2017/src/plugins/ckfinder/userfiles/files/49042812474.pdfIn PDF document text
- https://daynexweb.com/upload/ckfinder/files/84484220593.pdfIn PDF document text
- http://aadcnfgl.netsociality.com/upload/files/37741671598.pdfIn PDF document text
- http://turinhotelcompany.com/userfiles/files/timusurirebod.pdfIn PDF document text
- http://ptaki.info/imgekoprojekty/files/fuxujat.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=copy+my+data+from+android+to+pcPDF 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_off0000c425.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC425 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc37.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC37 | 17488 bytes |
SHA-256: 56a5e94940b9b299db17e45be10b14562bda0029ab4e9ab488a348b43a9cb632 |
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font_02_sfnt_off0001090e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1090E | 10580 bytes |
SHA-256: 06904b47ab4184dff308add2e022a61978bbb4276c795659e1d3a5124f6b97b9 |
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