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 uploads or disposable domains, indicating a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature. No scripts were extracted from this sample.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://premiercontractinginc.com/files/file/lixularuzonub.pdf
- https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/j66hurpo3jueoq2086oo261jpl/liveputofunozodake.pdf
- http://coeb.eu/userfiles/files/81871761676.pdf
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/rv5gt1ordd30pc5g80h9su0jk6/49792627364.pdf
- https://baongochoa.com/upload/file/28756439376.pdf
- http://bodymindspiritconnection.org/clients/5/53/53f1eac0d8ee32431a47b4e1af774f29/File/15262822188.pdf
- http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/16078958e30081---6291213995.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/l27mtbd0ja7h3o9gci5eabo2u0/zisikivudarujo.pdf
- https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/6d0cf73b24c605df4dddf2a2a2bb4f39/29567468918.pdf
- http://www.klpreschool.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079e076438a3---48223422727.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/80bc9c599d2c9e872fe7633daec50734/koxix.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/6c4759u3q67s54coubprlsmm6l/raxatatemunakobuxud.pdf
- http://mulherinscampground.com/clients/879992/File/89367640535.pdf
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c33480723b5---86838135105.pdf
- http://ricarda-allegra.de/userfiles/file/23910564621.pdf
- https://elsadaulte.com/ckfinder/userfiles/files/23349555423.pdf
- http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/66f884ea806eb56c0c687a4c468c2563/24255019755.pdf
- http://ascensionchina.com/userfiles/file/mazozomawuxufefogexuxe.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/k4q5avrp9fc54dtu8pc10tsa9c/vononuvupesozeza.pdf
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8fc5e60a9d---65709800078.pdf
- http://uekekb.ru/!upload/files/gasawadajovuxibezig.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=multiplying+mixed+fractions+worksheets+with+answers+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_off0000d325.bin142bcc29bc6693ab17b468fe42cf3c0b58853ca6084c462ad1e23fd9945deb07 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD325 | 16988 bytes |
font_01_sfnt_off0000ffc4.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFFC4 | 16792 bytes |
font_02_sfnt_off000117db.bin720e00211cfada5ed93a290cc157fb82b3255780581a8b7fb3ec0972db190f99 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117DB | 11556 bytes |
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