MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other potentially malicious domains, suggesting a phishing or malware distribution campaign. The PDF structure and embedded links are consistent with techniques used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16088ef7577f10---wagege.pdf
- http://4998horo.gmmwireless.com/contents/files/28774811687.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/2uo1csuel2pqi9rnoomfg4qha2/76593491885.pdf
- https://esprimagroup.com/userfiles/file/losonezaboliradozetedo.pdf
- https://area34.info/wp-content/plugins/super-forms/uploads/php/files/sg9orlb3t8j9mcb6qihocur0v1/1389372185.pdf
- https://www.vibrationmonitoring.asia/wp-content/plugins/formcraft/file-upload/server/content/files/160ab64dddf75f---2447683758.pdf
- http://xn--49s538bo8ux8c.net/userfiles/file/29959090029.pdf
- https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/72e0e1877a602f81a9907aaf321bcbcd/78211343287.pdf
- http://www.rebranded.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16086638057df9---76640385697.pdf
- http://dui-antidote.net/images/userfiles/file/xupasekarojefubufufonesut.pdf
- http://jonkmp.nl/img/cms/file/35214055330.pdf
- http://amadpich.com/userfiles/file/nadugonexuvutaridixifam.pdf
- https://termoformat.md/img/files/61441553871.pdf
- https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/opcos5bnnv6ogar33vv7tv7n80/42893075822.pdf
- https://encouragingmath.com/wp-content/plugins/super-forms/uploads/php/files/df16cf98f94e80b92c22f68944d26941/diketafasinevisogar.pdf
- http://analogsys.com/uploaded/file/75473307608ac0ae8d9bd.pdf
- http://xn--e1aaafipco3bk8gra3b.xn--p1ai/upload_picture/file/10004626822.pdf
- http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bcfe5793e1---tazusizelubewewupuresatev.pdf
- http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/g1atrc8aked6baih93a4eltd93/6969381977.pdf
- http://budka39.ru/files/13108645481.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8476cce4e0---73239466739.pdf
- https://www.hotelamoha.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608f37feccbfb---6500005276.pdf
- http://goldartline.ua/userfiles/file/movavegifikuvatuno.pdf
- http://veribase.com/E/file/bigakatubefuverer.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=meaning+of+coworkers
- 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_off0000ebbc.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBC | 16792 bytes |
font_01_sfnt_off000103d3.bin0423ae429c397b3cb32f1730faa39db01f17f04972d7ad21893c63f6bcb5dbaf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103D3 | 10536 bytes |
font_02_sfnt_off00011c09.binebc82e2066f267666951e2fd79181c61a62d3a4dbe432fe0cbc2bb6c348266fb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11C09 | 17484 bytes |
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