MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links pointing to compromised WordPress sites, identified by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' heuristic. These links are likely used to host malicious content or redirect users to phishing pages. The ML classifier and ClamAV detection strongly indicate malicious intent, with ClamAV identifying it as a phishing trojan. No scripts were extracted, but the structure suggests a link farm designed to distribute or host malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9959
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://training-solutions.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b401272a77f---degekezadixudos.pdf
- http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16070300d06dbf---24574532751.pdf
- https://www.audifonosdoshoydos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa612dae1c---wikisozejulu.pdf
- https://opuntia.eu/wp-content/plugins/super-forms/uploads/php/files/708a656b5d5da5d5d318a36abd66b1de/2962529275.pdf
- http://anhuizhkj.com/upload_fck/file/2021-5-13/20210513073311564942.pdf
- https://kermoulin.com/userfiles/file/31625714429.pdf
- https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/d774857285969a70ddb9bb12aa40ddca/kirelivudasidomojosu.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1609b9e64d98ab---13276395536.pdf
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082da7b658ec---geragedipazeb.pdf
- http://braciszewska-klimek.pl/fck_files/file/dunuzenesokorepurod.pdf
- http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/160723c445e506---56488927504.pdf
- http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609dfb9f19340---kitadawajolixoberosa.pdf
- http://aliglobshop.com/userfiles/file/kirakebuwo.pdf
- https://ohligschlaeger-berger.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5734e22fd2---66057312143.pdf
- http://www.caslyn.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160b56e4f7297a---kobapavidazizogakaw.pdf
- https://www.ccps.mx/wp-content/plugins/super-forms/uploads/php/files/0375eaede5d60ee019ea361510fe2393/vivujoziwenefa.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4651e014f3---14211561284.pdf
- http://mazdooradda.com/userfiles/file/66476797294.pdf
- https://taevlingar.se/images/pages/file/lamedegituvapaxokudav.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5aa58bbc3---nakawadalesupema.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+tale+of+nine+tailed+ep7
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e1c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E1C | 16792 bytes |
font_01_sfnt_off00012633.bin53a5aa46c367f97d866b9bdb49b5a1cdadec1d3407804895a3a34a26d7f57456 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12633 | 10340 bytes |
font_02_sfnt_off00013d72.binba9174efd4cde550f60136d8848ed0e0f9f43375946ceb3eb93e1bc27f975a65 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D72 | 17432 bytes |
font_03_sfnt_off00016ae6.bin2e65dda57d2f3a703961e46772c846ca09bcb891d7fcf807177c68a87a02469d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16AE6 | 3556 bytes |
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