MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs pointing to potentially compromised WordPress sites, suggesting a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly indicate malicious intent. Although no scripts were directly extracted, the structure and URL patterns are consistent with a phishing lure designed to trick users into downloading further malicious content.
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://www.asslar.de/downloads/surizem.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0da5601ea6---74575390624.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608397cc0397b---zezunufa.pdf
- https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070424e69fa7---paxuxasugexarume.pdf
- http://beachhigh65.com/clients/879402/File/34477653860.pdf
- http://goldenpeak.it/userfiles/files/68339188035.pdf
- http://fouladsazanco.com/Upload/file/rovajekiwivef.pdf
- https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/kmkpo3mecdtnug7kg1262dgcu9/polit.pdf
- http://www.greenbriarpropmgmt.com/wp-content/plugins/super-forms/uploads/php/files/b8c5b5bdf43741a00bd4162ee9121534/rekoze.pdf
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160c6965975aa5---wogapakokag.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e216730223---39904760564.pdf
- https://frontiersneurophotonics.org/wp-content/plugins/formcraft/file-upload/server/content/files/1/1607f84f0cd78e---garolazidaridawupanagugi.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e8eb767e1fe151f58be4e5ccbb3193bc/77872924634.pdf
- http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160a4756c11583---nepizojukelonabuvaf.pdf
- http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b3baa5bab4f---19979769577.pdf
- http://centronegozi.com/public/30536030763.pdf
- http://sapaelitehotel.com/webroot/img/files/56901853084.pdf
- https://bamor.org/userfiles/file/79427825091.pdf
- http://pune-india.info/userfiles/file/womiw.pdf
- https://cplastik.cz/data/cms/file/93822375838.pdf
- https://promise-land.com/upload/file/telonetulenobem.pdf
- https://bettyloupaints.com/userfiles/files/bujit.pdf
- http://toastwarenhuis.nl/app/webroot/files/userfiles/files/5280164504.pdf
- http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ab642ea53a9---24483213985.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=the+national+portrait+gallery
- 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_off0000db24.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDB24 | 16792 bytes |
font_01_sfnt_off0000f336.binb099f9ef87295c3a7d97f04cfa50b83118f4163d8c1c3edc6d95460735b28c45 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF336 | 17640 bytes |
font_02_sfnt_off0001209a.bin8c7fb11a40c9c50944b4c4ab310a73e912a3d7bf7057409bf94a4724dc1f8a53 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1209A | 10440 bytes |
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