MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous embedded URLs that act as a link farm, redirecting to various PDF files hosted on different domains. This behavior is characteristic of phishing or malware distribution campaigns, where the initial PDF serves as a lure to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://go-trec.com/wp-content/plugins/super-forms/uploads/php/files/o80il9mcn4b2bvftirda3l4ho9/mejekatik.pdf In PDF document text
- http://a-b-i-s.net/layout/bilder/file/generodirizetuki.pdfIn PDF document text
- http://vietkinggroup.com/uploads/userfiles/file/padiduvazusumanagitakig.pdfIn PDF document text
- http://fc-junajted.com/upload/datoteke/talolugotaxugijutotanawi.pdfIn PDF document text
- http://webminmax.com/userfiles/file/70569139216.pdfIn PDF document text
- https://pemaboutiquehotel.com/assets/userfiles/files/83054808233.pdfIn PDF document text
- http://proximeo.com/ckfinder/userfiles/files/84788379928.pdfIn PDF document text
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/gk04o28pakg75orpg43bu899u8/65510888855.pdfIn PDF document text
- http://aligokdemir.com/resimler/files/nawubegiluwarifo.pdfIn PDF document text
- http://vocal.bpv.su/content/files/files/bixeratufigelema.pdfIn PDF document text
- http://ephtour.com/FileData/ckfinder/files/20210903_6839ED51C2F52EF7.pdfIn PDF document text
- http://olsztyntransportmedyczny.pl/userfiles/file/67471217996.pdfIn PDF document text
- http://anapro.com/ckfinder/userfiles/files/76137611001.pdfIn PDF document text
- https://travellifeafrica.com/ci/userfiles/files/8346490019.pdfIn PDF document text
- http://ohana1bbq.com/uploads/files/nizixexukelulupinefidi.pdfIn PDF document text
- http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kofuderul.pdfIn PDF document text
- https://bostoncake888.com/UserFiles/files/23200841287.pdfIn PDF document text
- https://xn--90aweabvm.xn--p1ai/ckfinder/userfiles/files/zowumamarukamuxurikiv.pdfIn PDF document text
- http://sarkar.ie/userfiles/file/futugatodewo.pdfIn PDF document text
- http://d-a-s.cn/userfiles/file/gogotegulix.pdfIn PDF document text
- http://nature-revive.org/files/file/natejirusanemani.pdfIn PDF document text
- http://elektro-galerie-hamburg.de/userfiles/file/82929136856.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=free+tennis+live+streaming+2021PDF 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_off0000afd0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAFD0 | 15172 bytes |
SHA-256: cfbcc010daca805de3ace97467b5a7768f2e2de1483044e4e3c1d9bff3ca7e25 |
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font_01_sfnt_off0000d647.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD647 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000ee5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5E | 10668 bytes |
SHA-256: 041ed1ea7bfef32c6c9acf8121184646b261a8fc54051027117d4b2e85c13d9d |
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