MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous URLs that point to compromised WordPress upload directories and other disposable hosting. These links likely lead to further malicious content or phishing pages, indicating a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e2e59702493---funekoweb.pdf
- http://www.lightingandhvacexpo.com/wp-content/plugins/super-forms/uploads/php/files/1766bdf429c2b85741f704ebc0aaa32e/xizigukumixigorowati.pdf
- http://idroter.org/userfiles/files/78692580096.pdf
- http://brukbet.com/user_images/file/60056283546.pdf
- http://richfield1962.com/clients/4/47/47516dc9824f3897220912ef171c404f/File/86569815884.pdf
- https://www.hotwaterfactory.com.au/wp-content/plugins/super-forms/uploads/php/files/c794be313683e9e8be1a6f0348f134c5/bazapodukigapemobirivi.pdf
- http://lsbwg.com/ckfinder/userfiles/files/20210621/0819524294.pdf
- http://aarogyamedico.com/userfiles/file/piwexuwavimasusowaripu.pdf
- https://selectwifi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbc5719c2cc---61873376875.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/50643378376cb41c4d5b46ea3fafe748/numebufezekorufigometu.pdf
- https://fanaf.comarticle_ressources/file/xufovozavidutepemafesiki.pdf
- https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/2s96un66er5tr7sr868cfvdi8r/57143827330.pdf
- https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/cfca50b52c202b43b47505a823bdc8ad/71578893519.pdf
- http://strefa-fitness.pl//fckeditor/editor/filemanager/connectors/phpplikifile/vawefizoxajemot.pdf
- https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cf5d6080f59---81140549513.pdf
- http://fujavietnam.com/images/Download/30033116668.pdf
- http://bruisedreedfoundation.org/clients/4/4d/4d9d7eec3bf3a09fa0457ace138f6a4e/File/veweradapoturot.pdf
- http://ipceurope.eu/assets/file/nepadojununozutudiginiko.pdf
- http://africanhairbraidingsalon.com/userfiles/file/sumagefezixepulezetevurun.pdf
- http://elite-nails.pl/Upload/file/99059288256.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/6tbv11dds9tl5ua5n14t0etrv0/15730245128.pdf
- http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc78a89940---derifuxirali.pdf
- http://s-privod.ru/userfiles/file/zufedakefonubilitifinoz.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=justice+league+film+series+characters
- 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_off0001231f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1231F | 16792 bytes |
font_01_sfnt_off00013b36.bina4f8bc0221e02502fb501019f61d50b7d87784d09375bbc530bb6091aaf68338 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B36 | 10652 bytes |
font_02_sfnt_off0001539f.bin37351efcad16ffa7b644e61c94770265cd6007c6db3f3139f8e1d74a78e27c1f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1539F | 16656 bytes |
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