MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs, many pointing to compromised WordPress upload directories, forming a link farm. The presence of embedded JavaScript and a high ML classifier score indicate malicious intent. The primary function appears to be redirecting users through a series of links, likely to a phishing page or to download further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://thewhitmerlawfirm.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/30328985798.pdf
- http://aceonlinementors.com/userfiles/file/19750066336.pdf
- http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2bf35d4516---zetitatoxewufonopofesexet.pdf
- https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/c8f812ad7a92a2599b765a87b2d29d06/munovol.pdf
- http://pnmanagementsolutions.in/uploads/37073202769.pdf
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/c715dbdf7ceda1f4843b23856a77409d/87374132743.pdf
- http://ameshamagazine.com/js/upload/files/binefenuseremem.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/due30hd1kl3v3h7pcnprm46eag/40720026357.pdf
- http://ahdongjiu.com/upload_fck/file/2021-6-27/20210627132810168997.pdf
- https://fajndoktor.cz/images/file/files/roxosilupudijet.pdf
- https://pezenasenchantee.fr/userfiles/file/gemof.pdf
- http://romanakladatelstvi.cz/userfiles/file/vosutadek.pdf
- http://hani-bee.com/userfiles/files/41098811231.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf88fd61421---58113050101.pdf
- http://www.gabrielamaciel.net/images/content/file/rapenoveranaxojimarebe.pdf
- https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fcb7cc9e8e---pupiwibedexupi.pdf
- http://cmuniontravel.com/userfiles/file/gizufokenuri.pdf
- https://www.advids.co/wp-content/plugins/formcraft/file-upload/server/content/files/160a77e255238e---236292934.pdf
- http://cgpreceptor.com/ckfinder/userfiles/files/19273398354.pdf
- http://nuyewrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/e0e8d5f580174a4381f8f43f08e35f49/sazimojosabuwudopaxanijig.pdf
- http://planetamama.ru/files/file/sikavelabepapipiwixofaram.pdf
- http://piemonteforyou.it/userfiles/file/97439604622.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=resucito+cantos+del+camino+neocatecumenal+pdf+2018
- http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/b92ea2115704849e09a557a1da880611/bukaretobik.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_off0000eff6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFF6 | 16792 bytes |
font_01_sfnt_off0001080d.bind5b8af17d3e50adbdb73e17994298cd868e52281878e82d38af39759913dd24c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1080D | 11328 bytes |
font_02_sfnt_off000122c2.binf6f2b35f8754d819e5acf8758cc0d53818382bc42b3dc16ef94e9400baae85b0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122C2 | 17492 bytes |
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