MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, with many embedded URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The document body is heavily obfuscated, preventing analysis of specific lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://collegium-connect.nl/ckupload/files/91403006338.pdf In PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/c3f683376bc1254a47d15e384aec7433/rimadibok.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/9489154d4214249176339f5c2b62dee1/dakadote.pdfIn PDF document text
- https://noursportevents.com/wheelmarine/userfiles/file/36726013853.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/2f017e620fd440241c9ccd3ba281ae76/10947320123.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/ratofu.pdfIn PDF document text
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/9045c2390780643fad29756afd8a7f34/puwapejujurag.pdfIn PDF document text
- https://www.aifimm.it/admin/inc/ckfinder/userfiles/files/fagekivokir.pdfIn PDF document text
- http://anjilh.com/uploadfile/file///2021050223080263.pdfIn PDF document text
- http://vasilii-orlov.fun/wp-content/plugins/super-forms/uploads/php/files/294f4fbaae962675b995a5e84ecf6374/14426975281.pdfIn PDF document text
- http://lmtechsolution.com/userfiles/32776643891.pdfIn PDF document text
- http://lamorenj.com/userfiles/files/gebebukureninu.pdfIn PDF document text
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/an1g54is6s4dm959arhcigrtkm/vosomixakizeporek.pdfIn PDF document text
- http://szpital-sulecin.pl/images/fckfiles/file/24943372694.pdfIn PDF document text
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d940a7ade8a---kazodejifedugaledijira.pdfIn PDF document text
- http://baovevietnam-vnss.com/upload/file/nulemokukefufile.pdfIn PDF document text
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/1610a924c95253---51733541865.pdfIn PDF document text
- https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/0p73pc1tvgedknhqlomeq550ap/92114481226.pdfIn PDF document text
- https://eminentland.com/admin/userfiles/files/gugejozigiz.pdfIn PDF document text
- http://eviljoy.com/UserFiles/File/76301159106.pdfIn PDF document text
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/b2878dc0a8debc67423aff127d91b000/wijuk.pdfIn PDF document text
- https://tigercabinetry.com/wp-content/plugins/super-forms/uploads/php/files/daa25fc53caed832c414bc3dc64426c4/xovepisopojux.pdfIn PDF document text
- http://lyzjkgm.com/d/files/vegavutofarazinigirezovu.pdfIn PDF document text
- http://www.apsetedavisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160831d4a242d0---87100040251.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/S30rS-6n6vg/uplcv?utm_term=magna+carta+for+private+school+teachers+pdfPDF 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_off000116a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A6 | 10956 bytes |
SHA-256: a74170ddb81a8dfc02008159d19b3db1d49f74cfee00446b484353e218218ede |
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font_01_sfnt_off00012fd2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12FD2 | 19040 bytes |
SHA-256: b821641e4ba8c5ef3618cbfdf75d3dcf0a38bb7392dd95e6a565fce92a38e1cf |
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font_02_sfnt_off000161ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x161EA | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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