MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It contains numerous links, many pointing to compromised CMS upload directories or disposable hosting, indicating a link farm or phishing lure. The presence of external URIs and link farm indicators suggests an attempt to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9909
Heuristics 6
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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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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://boek.se/bilder_umeny/File/nupesonozidanif.pdf
- https://inprovitcolombia.com/ckfinder/userfiles/files/xadujame.pdf
- http://onlytech-tunisie.com/userfiles/file/nonofajupumurafusofabi.pdf
- http://bestforfishing.com/wp-content/plugins/super-forms/uploads/php/files/59e3220526af82c6f9f4b483854d8e45/pofunirilu.pdf
- http://tries.cz/media/images/upload/file/82178266105.pdf
- https://dungcuruamui.com/wp-content/plugins/super-forms/uploads/php/files/2m72adssid17s15fvb18or927i/rawukodumina.pdf
- https://paidionresearch.com/userfiles/files/lovufonifinomeda.pdf
- https://hamzakocakoglu.com/userfiles/file/kojunojixisezevozijow.pdf
- http://weorderfood.com/uploads/files/xegovuzitagovidizevelis.pdf
- http://abwingssuffolk2.com/uploads/files/26011637692.pdf
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/23650900588.pdf
- https://barrier.exma.cl/ckfinder/userfiles/files/gurotobivatifulupazisuso.pdf
- https://laps.pl/userfiles/file/5116477919.pdf
- http://evo-models.com/uploads/userfiles/files/nuxubesafedawazidavob.pdf
- http://timeyear-v.com/userfiles/file/17647552617.pdf
- https://membermimpi.com/contents/files/13037973710.pdf
- https://sunridgecorp.com/uploads/files/202109180234378085.pdf
- https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/63a97dfe8d5abbb56c4dd8c2ffdb4802/wovuxuwezatodabazi.pdf
- https://telechips.com/ckfinder/userfiles/files/jisufowexuputamavitomat.pdf
- http://hkalc.com/userfiles/xuligiwotigeloritej.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/p7pk7mf48p6aug47iqhf8modi1/81352963652.pdf
- http://automsystem.com/UploadFile/file/20210907085638231.pdf
- http://phutunggiahungoto.com/uploads/files/gofarimipevivuz.pdf
- https://baongochoa.com/upload/file/85252773862.pdf
- https://plagij.at/ckfinder/userfiles/files/17962735712.pdf
- http://luxmeterthai.com/ckfinder/userfiles/files/13217181072.pdf
- http://donahoelawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/rixipusixuwukatifevagemoz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=how+to+restore+deleted+contacts+from+phone+memory
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b642.bin511571a484ece139cf6f353436396488ca281b597fc04fd0533be0219139241c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB642 | 15188 bytes |
font_01_sfnt_off0000dc9d.bin726a621e6efc4c2f9d22113c454593765b37f14cc3050fdb9efeff1f82edbbcd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC9D | 10984 bytes |
font_02_sfnt_off0000f5fe.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5FE | 16792 bytes |
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