MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by ClamAV and an ML classifier, with heuristics indicating it functions as a link farm. Several URLs point to compromised WordPress installations, suggesting an attempt to host malicious content or redirect users. The primary attack pattern involves luring users through a malicious attachment to access these compromised sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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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PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARMPDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
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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://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/16115605b4d710---luvalulaxalapojinasimag.pdf In PDF document text
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ded81006c10---mijudusimudamibinepogu.pdfIn PDF document text
- https://5of7edwardstreet.com/assets/media/files/87436667001.pdfIn PDF document text
- http://dermalab.pl/userfiles/file/32034401346.pdfIn PDF document text
- https://tanthuantelecom.com/upload/fck/file/jetexujuxarerexupawoxupuf.pdfIn PDF document text
- http://ktcz.eu/files/files/kapaxifanusupopikozimibax.pdfIn PDF document text
- http://www.motocams.cz/ckfinder/userfiles/files/48328205074.pdfIn PDF document text
- http://ztkammer.at/uploads/file/jakovovowiv.pdfIn PDF document text
- https://texigo.tw/upfile/files/2021/08/04/gojasaje.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1810e660e6---4721411402.pdfIn PDF document text
- https://newoptic.mn/uploads/files/4825268961.pdfIn PDF document text
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16078ac2820048---kopavupixuzomuxu.pdfIn PDF document text
- http://www.mbk-montage.nl/ckfinder/userfiles/files/33898785851.pdfIn PDF document text
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/23f1837b747fa61d1972a96c7d5694a8/37769846620.pdfIn PDF document text
- http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/4591330555.pdfIn PDF document text
- http://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16073f90ede6a4---boxesepijijufo.pdfIn PDF document text
- http://goldenpeak.it/userfiles/files/47054072961.pdfIn PDF document text
- https://adtw1.com/ckfinder/userfiles/files/wudufodapowitixuwivuvoke.pdfIn PDF document text
- https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/160c9a0f8543f0---62649773438.pdfIn PDF document text
- https://mobilieroccasion.fr/uploads/file/tudimutemewibogegud.pdfIn PDF document text
- http://sweetbasketsbyjackie.com/clients/864293/File/nujexux.pdfIn PDF document text
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c62aa622830---vozuwuzajiterasede.pdfIn PDF document text
- https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/5a75722a9b3396ef2509fbde9ce5aad5/tasosipenaxu.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/n49vresqj0ajdagqal2bm041a3/givuwopo.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=suhr+badger+30+user+manualPDF 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_off0000e488.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE488 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fc9a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9A | 17888 bytes |
SHA-256: 8f163d7d29a52b62d4f3b47ed3e05915644b3372401a13a155d24e1005005612 |
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font_02_sfnt_off00012b3b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B3B | 10992 bytes |
SHA-256: d89504162397d83968828254ad63605429a6891f18ec2eec1bdca93950ea3144 |
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