MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm with numerous URLs, many pointing to compromised CMS upload directories, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. Although no scripts were extracted, the structure and URL findings point to a malicious document designed to lure users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://grawerlik.pl/userfiles/file/35397173427.pdf
- http://www.sg-callenberg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf23498ea5---85957527353.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9ebd1041e6---80805433638.pdf
- https://istanajp2.com/contents//files/14107165996.pdf
- https://jollytime.ru/wp-content/plugins/super-forms/uploads/php/files/602ae0417199f092ccecdc176c74cf64/38520688571.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/a9d7c54d62b93c4b54cdcd08b85ce6dd/fuxum.pdf
- https://batikatravels.com/userfiles/file/komavixineg.pdf
- http://saludocupacionalpso.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/160d7b931e058c---tofuguteworikoxejekuke.pdf
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/e04b56385fa16866b33ac1748459fced/ladivipepupidazojivijodi.pdf
- http://botosani.ro/img/uploads/file/lojib.pdf
- http://sosonomo.com/ckfinder/userfiles/files/86914284416.pdf
- http://xiaohecollege.com/d/files/2998593741.pdf
- http://clarksville.net/wysiwygfiles/file/pejinukiluzixeriduvure.pdf
- http://autoshiftbid.com/fckeditor/userfiles/file/xanevilolejitiwazabus.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160c8c7a99244b---xabedoranukubawo.pdf
- https://bancodevida.com/bancodevida/admin/images/image/file/kijewufivekulivozixuz.pdf
- http://stsaischoolamritsar.com/slbdavbatala/userfiles/file/18580483113.pdf
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b6f7d755cb8---6293321075.pdf
- https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/71f8dd7567f3a640bca6a22ab46ca2dc/zesowisivaromaxewunotuwar.pdf
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/spbfm3co5f1a9mm8naj7igfasu/xodasetosifuga.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081d63cc2fb3---58837484759.pdf
- http://bazis-expertiza.ru/ckfinder/core/connector/php/files/ragowevekurezomijog.pdf
- http://bezagsecurity.cz/userfiles/70502206957.pdf
- http://www.fullmooneye.com/wp-content/plugins/formcraft/file-upload/server/content/files/160771d7376abc---kuloxanogatakajuputeruju.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=computer+networks+question+bank+with+answers
- 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_off0000cea7.bin2eb26d557a1fe64d393bf58e2db4bf616a923bc27c17fb3a70ddbcec700fd611 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCEA7 | 16852 bytes |
font_01_sfnt_off0000fa99.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA99 | 16792 bytes |
font_02_sfnt_off000112b0.binc26b637499d24b41c894f1c4b576807b576ef930bda9fed1ac4b599246c3b9c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x112B0 | 11064 bytes |
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