MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains an embedded JavaScript stream and numerous external URIs, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9912
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 https://0a3exp.com/upfiles/editor/files/98441686779.pdf
- https://radekslodkiewicz.pl/files/file/48828744367.pdf
- https://www.hauptsache.cc/wp-content/plugins/formcraft/file-upload/server/content/files/1607b46996cf71---2529146787.pdf
- http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6bbb4bd53d---jonikuxovidegaganuvu.pdf
- http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074cd0fd497f---1343325383.pdf
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607cf21d951b9---bakavofozerebugudop.pdf
- http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/62e8343bf32dd0da9cf4020cdf25c53e/89819223949.pdf
- https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607277b64d323---memesefefeguxasid.pdf
- http://all4pets.cz/ckfinder/userfiles/files/tutowideguredezojupatari.pdf
- http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/160757bb3dc0cc---9020679655.pdf
- http://lawcab.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16071980c9166d---netudirimalibag.pdf
- http://harlit.com/ckfinder/userfiles/files/20210810_000034.pdf
- https://amerismithenterprises.com/wp-content/plugins/super-forms/uploads/php/files/34e052acc591fcc72b06dd5243aba99e/jilogiduz.pdf
- http://lisahyatthealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082f1911a833---fopedigakojiwulovewefa.pdf
- http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0c7ccd8034---xilerixivexepuripenaron.pdf
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160990107ad5c3---52995968480.pdf
- http://kurumakaitori-one.com/js/upload/files/67246440158.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081c7453144c---porogipubo.pdf
- https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/296ee1d8c2b7f191daa584bb440d678d/tudobopinitumaka.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/f1eb0f921b24cd0230abae86b27239b9/degirometolewurarafa.pdf
- http://getem.pl/files/file/lusag.pdf
- https://yastudio.net/wp-content/plugins/super-forms/uploads/php/files/6c246e7f01666253d23147119145f4dc/5494524523.pdf
- http://chistogood.ru/admin/ckfinder/userfiles/files/zemebonu.pdf
- https://dovolena-jiznicechy.cz/uploads/mufisexitubepogubu.pdf
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e55391c43---75594116054.pdf
- https://bd-sokolovska.eu/userfiles/file/16086513394.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=height+and+weight+chart+for+12+year+old+boy
- 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_off0000f010.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF010 | 16792 bytes |
font_01_sfnt_off00010827.bin3190ac8558254496541496a13746cd5a74c1a64c507f5d5f46d53f8dbce363a4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10827 | 11088 bytes |
font_02_sfnt_off000121d1.bin45176ab3693b3f343b7d3fc7f81752c82c6a21f8c4e322a2f219c9db0503f517 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D1 | 17440 bytes |
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