MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous embedded URLs pointing to compromised websites, likely to host further malicious content or phishing pages. The presence of PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics further supports this analysis.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
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://garglob.ru/uplcv?utm_term=balanced+and+unbalanced+forces+worksheet+middle+school
- http://lubrifianti-auto.ro/files/file/lasaxataz.pdf
- http://anhuishangbiao.com/upload_fck/file/2021-4-29/20210429153617525331.pdf
- http://alfavit.tv/userfiles/file/35939656164.pdf
- http://le-lemniscus-incandescent.fr/ckeditor/upload/files/16397144004.pdf
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca7f4b7e13---fetowavebolegudosori.pdf
- https://clinicamanila.com/ckfinder/userfiles/files/jiduzizulazog.pdf
- https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/lu3tjsb2kni1on41gm7gbhkci1/5141909332.pdf
- https://discoverthesky.it/file/dawenavid.pdf
- http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d08938acfb4---gijikefusatin.pdf
- http://metabolit.ru/files/file/1818098288.pdf
- http://mabo-meccanica.eu/userfiles/files/41010833042.pdf
- http://libron.pl/fckupload/assets/file/41877361895.pdf
- http://rencontres-icare.org/userfiles/file/80731554312.pdf
- https://www.serwkom.pl/plugins/ckfinder/userfiles/files/52782919382.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c415fbc8665---69657019823.pdf
- https://nisahanpin.com/calisma2/files/uploads/xewazisuvadilerutu.pdf
- http://www.pvvc.cz/files/fubenexixonogenuga.pdf
- https://transpack-krumbach.de/_upload_bilder/_filemanager/file/78401312223.pdf
- https://tierlistei.ch/downloads/95181173092.pdf
- http://tsrmvolontari.it/userfiles/files/58823408735.pdf
- https://cuacuonbentre.com/upload/files/47224738846.pdf
- http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cc3e68df4a---17741241089.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/jedutilifuxabopesiweg.pdf
- https://www.willmarshelter.com/ckfinder/userfiles/files/sabewubomofawojase.pdf
- https://interesttour.com/wp-content/plugins/super-forms/uploads/php/files/d374ea675938936b93b9e5ce0febb91c/zozipewavopetigala.pdf
- 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_off0000bd97.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD97 | 16792 bytes |
font_01_sfnt_off0000d5a9.bine9c5831ea479097a92c08b4afc22ef1bb18ad2bd6538242a72f758a158377784 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5A9 | 15288 bytes |
font_02_sfnt_off0000fc9a.bin890900fc86f512d16e1dcc4121143c87fdb5e7b64cbf02445f609289ae5e228f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFC9A | 11212 bytes |
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