MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file contains numerous embedded URLs, many of which point to compromised WordPress sites and are structured as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. No scripts were extracted, but the structure and URL patterns suggest a malicious link distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160867b856c154---22389232655.pdf
- http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a965550c901---78986670097.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609f49d476a50---wugedasogotabosavux.pdf
- http://mbcasc.net/imgs/file/xoleralipudezakopeni.pdf
- https://olgapopovaphoto.com/wp-content/plugins/super-forms/uploads/php/files/28424625c62764b64abf2537ffd7165d/35101291231.pdf
- https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/tfut2fj7t4oda0mga6n6evo4bg/64456622649.pdf
- http://entone.es/wp-content/plugins/super-forms/uploads/php/files/844de69e640be6456d75c69392df98e5/95253626956.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/18aa40d892dba3545171c87bf81f63f5/porawitapopenubuno.pdf
- http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa0aecf2d8---99517885664.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bef41c8a97---teros.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c98f2249bcf---bopepinutujidujiduxatu.pdf
- https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16090f67a2533f---8108969513.pdf
- http://sunnysidehigh65.com/clients/d/d0/d00d1ad1640c45b888f5e58ac216a5d1/File/14232020950.pdf
- https://www.explosivo.gr/wp-content/plugins/super-forms/uploads/php/files/889d434465ffe5167ff2f93da09e8306/31115771425.pdf
- http://kibunajcc.com/ckfinder/userfiles/files/81661756049.pdf
- http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607176bd0fa23---sonozisokekolivida.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d45906fa8---74667668649.pdf
- http://archimax.ch/dynamic-images/cms/file/81525764687.pdf
- https://muratay.nl/userfiles/file/basosozizedag.pdf
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/d9593cb1680cd5435632a35989e18b69/fulewelavoz.pdf
- https://al-farh-iq.com/upload/userfiles/file/70152245901.pdf
- https://www.keystonecare.co.uk/wp-content/plugins/super-forms/uploads/php/files/fb4610a06856059d5387bc2d946bcca8/waboxozonaxajesuwefo.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=solve+second+order+differential+equation+online
- 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_off0000fa36.bin5178f6cbf594e6460d050c24b294695aab009d622f106e0f79f090fe5bc22a14 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA36 | 10856 bytes |
font_01_sfnt_off00011335.bin81f8a9590a4e1bd79ddd60cc0501d7d62293958fc95fa58eda59844617123847 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11335 | 17728 bytes |
font_02_sfnt_off0001420a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1420A | 16792 bytes |
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