MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by multiple heuristics, including a machine learning classifier and ClamAV, indicating malicious intent. The presence of numerous embedded URLs, identified as a link farm, suggests a phishing or malware distribution campaign. Although no scripts were explicitly extracted, the PDF structure and embedded links are indicative of techniques used to redirect users to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
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 https://www.bnbtravels.com/ckfinder/userfiles/files/xugogiratiselagexevifi.pdf In PDF document text
- http://sten.kr/club/data/userfiles/file/20210910100543.pdfIn PDF document text
- http://universalthailand.com/images/uploads/ckfinder/files/6741067084.pdfIn PDF document text
- https://artenika.pl/fck/file/4793923414.pdfIn PDF document text
- http://abnicum.com/files/file/mirakumejodipugebawil.pdfIn PDF document text
- https://farmaciasacoor.com/site/upload/file/gogufumaxaxoza.pdfIn PDF document text
- http://ritadas.in/userfiles/file/6802353814.pdfIn PDF document text
- http://msdoubrava.cz/foto/images/file/36119465248.pdfIn PDF document text
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/161446cb7e6388---26173222010.pdfIn PDF document text
- https://somogyplusz.hu/files/687240425.pdfIn PDF document text
- https://wmu24.ru/media/file/dugupemilatusubitogas.pdfIn PDF document text
- https://aventura-agence.lu/userfiles/files/jamesonolopomuruwujul.pdfIn PDF document text
- https://keluargamimpi.com/contents/files/58275353597.pdfIn PDF document text
- http://baiduvpn.com/upload/files/39963349867.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/xonezaxidesoretux.pdfIn PDF document text
- https://kamwalibais.com/userfiles/file/madugaboloxulanojazopo.pdfIn PDF document text
- http://anpo.vn/upload/files/82165189595.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/72490504702.pdfIn PDF document text
- http://studiolegaletrotta.eu/userfiles/files/moraverogejadi.pdfIn PDF document text
- http://robwalker.net/fckupload/file/xosumarozebes.pdfIn PDF document text
- http://synhbio.com/upload/files/berebakawewuruw.pdfIn PDF document text
- http://yuc-fac.com/uploadfiles/20210917081205.pdfIn PDF document text
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161427b725c90a---51526060888.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=hack+wifi+wpa2+psk+windows+7PDF 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_off0000e185.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE185 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f99c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF99C | 10576 bytes |
SHA-256: 9f3ede92eb057559425a2ba774cc5dce98735289ad8a4b4d248d6fc1c134008f |
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font_02_sfnt_off00011201.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11201 | 18940 bytes |
SHA-256: 3b4b956e78f4592f661ab4ba94f721c12e25d28482467fd1ed2a422bc00d8396 |
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