MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple compromised WordPress sites. These sites likely host further malicious content or phishing pages, aiming to exploit users.
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 http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/bf221234b822273d0fce5423b1c24fc4/muxig.pdf
- http://pferdefreunde-brueckenhof.de/sites/default/files/userfiles/file/65768525954.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0647eade7---12386709624.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a463ec6a0fd---86295503148.pdf
- http://redwoodpwr.com/wp-content/plugins/super-forms/uploads/php/files/sn0pa874vuhlv0c9kn3d3e70q4/66538182015.pdf
- https://estigotours.com/wp-content/plugins/super-forms/uploads/php/files/56d5246c89f066dbf2571d5b0ec2cb62/duluvudunoxatar.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091ecd36132e---16437973529.pdf
- http://ibb-online.ru/f/file/55363326854.pdf
- https://healthmatters.me/userfiles/file/60758870709.pdf
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c19d66316---lodidewuvatex.pdf
- https://www.adcgrain.com/wp-content/plugins/super-forms/uploads/php/files/80d052e139c558b48e1d44060d877757/wafugusuja.pdf
- http://logisticsnetworks.net/ckfinder/userfiles/files/1672053133.pdf
- http://train-in-japan.com/images/blog//file/jutezunubimefeku.pdf
- http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b88e47713---7962846090.pdf
- http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/1609f273b740cd---wojilelulujunoriwojefit.pdf
- http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34c455f09---33371444409.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/hr9i4dkq3rj6a8mun3ii0rst54/dubelesepojodetikediz.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b7d49f7552e---xosobugogobanir.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608e162251d26---legaxinoxagop.pdf
- http://aiswaryamatrimonials.com/fck_uploads/file/18813699384.pdf
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab4a9f1693c---pebupewilezezu.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/a3890a880269b6a6a68f2671e4874b04/19131579265.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c05ef2c460b---boladerajekeloboxa.pdf
- http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/leuvfhjaho2kv5ldrpi43v0v44/62141866069.pdf
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad46cc0a4fa---xebewojag.pdf
- https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/53aef6a75521ae8831d9d26c7e6fab7c/bumutejos.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=watch+step+brothers+123
- 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_off0000c2ed.bin148049165a78d110d8440d1b773b04ec618f0e982b9698c3990ecd5c26c71443 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC2ED | 16312 bytes |
font_01_sfnt_off0000ed69.bina4a69eed86fc8856be2d83486d6fa05410b1e97b1170c78043476a34b53eb0e7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED69 | 10708 bytes |
font_02_sfnt_off00010614.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10614 | 16792 bytes |
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