MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
This PDF file was detected as malicious by ClamAV and an ML classifier. It contains numerous external URIs and is identified as a link farm hosted on compromised WordPress sites, suggesting an attempt to redirect users to malicious content. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM heuristics indicates a pattern of using disposable hosting for these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9800
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 https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/e65aa0a70ed2345ba5b57314c32e4166/49886686790.pdf In PDF document text
- https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d3a76f7a4---70564588576.pdfIn PDF document text
- https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608493c85c345---74878914101.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160766e447e2d3---wisilijejidezakadinax.pdfIn PDF document text
- https://www.popcaffe.it/wp-content/plugins/super-forms/uploads/php/files/d29fc89cbce99bb58f393b4580158602/66962057539.pdfIn PDF document text
- https://aronabritcan.com/userfiles/file/wupud.pdfIn PDF document text
- https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/40a799ed2321db09264515cd064afa17/powede.pdfIn PDF document text
- http://accessibilite-salle-eau.com/ckfinder/userfiles/files/69712149731.pdfIn PDF document text
- http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/160da69bb7cf80---15455327193.pdfIn PDF document text
- https://atlastoursntravels.com/userfiles/file/xozafamuzupavupoxurad.pdfIn PDF document text
- http://www.findvoters.com/userfiles/file/noravobanewateravutobaz.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/ef2gmu0bo188f04e0kais724l2/varax.pdfIn PDF document text
- http://playeasypiano.com/resources/fck_images/safina.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aca77d1b58d---36831720908.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/tewokaviz.pdfIn PDF document text
- http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b88a1452513---vupowalojopuwefofutal.pdfIn PDF document text
- https://spbmworld.com/anaeter_capital/siteadmin/userfiles/files/56649914573.pdfIn PDF document text
- http://drapikowski.pl/uploaded/fck_files/file/sumiwuxerigedowigaxu.pdfIn PDF document text
- https://stegopackaging.com/wp-content/plugins/super-forms/uploads/php/files/b3mokfrfhdii5ru8bndofha476/mojijakidebas.pdfIn PDF document text
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/4e34ff2be1cb24a93dd4cde30b4a91af/fidovexug.pdfIn PDF document text
- https://west-holding.com/userfiles/file/zudarififibefupo.pdfIn PDF document text
- http://perfectthesale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160944f3157fb6---lekovonaribasetoji.pdfIn PDF document text
- https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/4n8im8mjhnet97k6o77tffmoe1/pezipogiketenot.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/88aab7ff3b95630f1614ed260a8e6d80/mudifogetukal.pdfIn PDF document text
- https://sodigital.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b81eac42e87---31846954664.pdfIn PDF document text
- http://ventss.ru/userfiles/files/11052278108.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=not+heard+from+youPDF 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_off00012715.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12715 | 10400 bytes |
SHA-256: a3e420f53a98603522750f9515939c115c955fe31b089055f416a4d0d711af7f |
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font_01_sfnt_off00013ead.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000156bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x156BF | 17472 bytes |
SHA-256: f2cb784868be75abbadd9ad46d4317ba521a303d915d4ea404c2e731e0181d8b |
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