MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to redirect users to malicious content. Heuristics indicate the PDF is designed as a link farm on disposable hosting, and ClamAV detected it as a phishing trojan. The ML classifier also flagged it with high confidence.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160882b4534d18---dijejapiferosipatanix.pdf
- http://montgomery71.com/clients/34132/File/21359970624.pdf
- https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/938b665911b6682f815a9ef1f6a2e4ef/gukujafufugaxusokedupog.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c14635215e0---gasolonapodob.pdf
- https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/sng3ufaesgfkdi7u8lavhh7nmg/nedekazumevudunoz.pdf
- http://xn--80aafmoni2biho.xn--p1ai/admin/ckfinder/userfiles/files/56818901021.pdf
- http://triatlonbizuterie.cz/sites/default/files/file/zadeketoferigeduzep.pdf
- http://ecole.ru/text/images/file/74033799966.pdf
- http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae157167b6e---22715383379.pdf
- http://ateliergermain.net/sites/default/files/file/vajesivobuzoriraje.pdf
- http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/gd6eeo4610lmjgkifurcmi2br4/98020885505.pdf
- https://apoiotelecom.com/imagens/img_fckeditor/file/lonuwanowo.pdf
- http://arslanemlak.come/file/muwijukeludez.pdf
- https://prtl.pl/userfiles/file/jalomubefobikipekudefeve.pdf
- http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa9bdb71052---xawosajafapunugimone.pdf
- https://aimtronu.org/userfiles/file/rezosoput.pdf
- http://mwflower.com/upimagesfile///9027165829.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16073db8267f98---zunabidanovuvitidarep.pdf
- https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160bb75bc690b1---redupudadefiji.pdf
- https://peterdegendt.be/file/23404215193.pdf
- https://xn----7sbbjg7ctfs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a2547eb3b88645a9da17c8ef9f863436/pusigudofadikip.pdf
- https://envida-nieuws.nl/bsb_website/upload_fck/file/rumakorikebonazano.pdf
- https://vydavatelstvoklett.sk/userfiles/file/54144736736.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/pfe7n5383023d8ntf9e7pvpgs8/90942624469.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=new+york+stock+exchange+gold+and+silver+prices
- 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_off0000dbd8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBD8 | 16792 bytes |
font_01_sfnt_off0000f3ef.bin6eed759d6d1581640084344a86ac66a952edc18260216263b45499a02a1232cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF3EF | 11232 bytes |
font_02_sfnt_off00010e20.bin392866c62802829ec02c5e8960a342469d1b06a32408b66bf86f36181577ca68 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E20 | 16744 bytes |
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