MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF file identified as malicious by ML classifiers and ClamAV. It contains numerous links pointing to compromised websites, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links indicate an attempt to redirect users to potentially harmful content, aligning with a spearphishing attachment attack vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://archism.ru/uplcv?utm_term=are+jeans+from+boohoo+good
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/ia0uvoloem7ppfobtabfk3c193/27048296497.pdf
- https://cryptoshift.be/anaeter_capital/siteadmin/userfiles/files/59840796736.pdf
- https://viticoltura-enologia.com/file/24984395147.pdf
- http://consulcongress.it/uploads/assets/file/zixilufeker.pdf
- http://henri-ruch.ch/doc_pub/file/juwaxijorakek.pdf
- http://peaceinsrilanka.lk/userfiles/file/69361855238.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d3b3496171---90374565898.pdf
- https://eravukappalpalli.com/userfiles/file/94405545444.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cb870b2472d---74828392666.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/nh72ngvcqld0o9ngdjjiqh650c/82058619325.pdf
- https://immobilgold.com/file/foxodezajuvujavidure.pdf
- http://keyflounge.nl/userfiles/file/60159074080.pdf
- https://hazeloyun.com/calisma2/files/uploads/jiludonifudotavitomebobu.pdf
- http://m2m2design.com/userfiles/lulivaloje.pdf
- https://ladachess.ru/userfiles/file/sejugudidupebujuri.pdf
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d366f438aa2.pdf
- https://securitegenerale.tn/userfiles/file/bozixubedonu.pdf
- http://hermangroupcorp.com/clients/3/38/389628ddbd62db2fa1e4299ecdfc1861/File/27893797195.pdf
- http://koltoztetes-szallitas-lomtalanitas.com/ckfinder/userfiles/files/mugigomezawesududubaj.pdf
- https://kantankacreative.com/wp-content/plugins/super-forms/uploads/php/files/d55c88461415812d61f51592d7a5e858/40120769174.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/1a5ee5cea4312aec8d242dbfa0c7e60a/kuzenufexonozeturi.pdf
- https://fishboat.hr/files/muvukelobim.pdf
- https://netron.pt/app/webroot/media/files/33379909943.pdf
- http://kimdaiphatsteel.com/Images_upload/files/51317423511.pdf
- http://camberwelltaxi.com/survey/userfiles/files/kusatajegaferosij.pdf
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/ac8fc2c75c1366dc3a8d446726ddb697/legubafibujuvidavido.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_off0000be82.bin8c916de303355e6e905268df108a3cf67e56eba1e18e7c59f32702a30cd23535 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE82 | 16560 bytes |
font_01_sfnt_off0000e9a1.bincf51558effde8c7634a3129207f7184aff181d5c938eb12b88ce52110a8b8b7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE9A1 | 10816 bytes |
font_02_sfnt_off00010230.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10230 | 16792 bytes |
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