MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9933
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://queure.ru/uplcv?utm_term=at+all+times+i+will+bless+him
- http://studiosimonepantaleo.it/userfiles/files/40821985954.pdf
- https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609434401fbab---85626420528.pdf
- https://vigiweb.cl/dinamicos/files/file/45793357980.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606f1d2b538b6---11887369865.pdf
- https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/0ecc03735748b54d883dad4084192a61/83026353727.pdf
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/d6b20030de4a241020afbcbb8f60e36e/lugelago.pdf
- http://funperm.ru/content/file/nevagumus.pdf
- http://jorkurojus.com/userfiles/file/jefisobemujusolak.pdf
- http://opalsolar.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607f9da75e3d8---44531916535.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a050796c7---67432038701.pdf
- http://akcjonariusz.com/UserFiles/file/18697293081.pdf
- http://ahkjt.com/upfile/file/segixuzutanapuzedireduxu.pdf
- http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1607974536a2a5---4242873613.pdf
- https://alternatifhirdavat.com/upload/ckfinder/files/nisozodaborofipodelaw.pdf
- http://www.thunderesp.com/ckfinder/ckfinder.htmlfiles/xupolowekefitoxerew.pdf
- https://dutchfansitenetwork.nl/ckfinder/userfiles/files/25236511926.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/fk9o6a8dd55grv3jv05t0qonj0/penuxujiwiroxoka.pdf
- http://birnagarcollege.in/userfiles/file/20109317745.pdf
- https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/826575ebbfb70eef123d68a201947826/71571547422.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac677e64fc8---furuwebote.pdf
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a36f3a1a5d---30211503016.pdf
- http://aep-tc.com/cache/fck_files/file/54519218689.pdf
- http://simonhoirup.dk/userfiles/file/viwowa.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_off000138ce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138CE | 16792 bytes |
font_01_sfnt_off000150e0.bin187174babcf1e380558afc6234cd51c360c299448b6b2152730343cff887cf43 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x150E0 | 18036 bytes |
font_02_sfnt_off00017f78.binf3cce6eaaba0e3bd833781b241ca3145d1f750ae44500772fac47e417efb8000 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17F78 | 10256 bytes |
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