MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. It contains a large number of links, many pointing to compromised WordPress sites and other disposable hosting, suggesting it functions as a link farm for phishing or malware distribution. While no scripts were explicitly extracted, the presence of numerous external URIs and the overall structure strongly suggest a malicious purpose.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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 https://crysiq.ru/uplcv?utm_term=blueberry+coulis+for+cheesecake
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b49194dc957---wemedoxakozexobewunikarux.pdf
- http://iburgisidimarsala.eu/userfiles/files/24709773192.pdf
- http://thanhlapcongtykiengiang.com/upload/ck/files/sukavepofipo.pdf
- http://pahsclassof2005.com/clients/d/d6/d61c4c031b0f3af13d3e88110ef3a3e1/File/lidubudaxifewugafetogoz.pdf
- http://fantasypartyentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609475a24c694---50065276614.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/brt1rfk1br6gk964h1rnlecdfn/bulizetelatofikaxajorosa.pdf
- https://dm288.rs/slicice/file/wajureroxegazemuvave.pdf
- https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/v102ok155dscgt0gsm7ttqnms7/80615633971.pdf
- https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/129da08808a65de65c4814e9bcaf0913/96197282765.pdf
- https://traveltokiev.com/wp-content/plugins/super-forms/uploads/php/files/rlbu5fg1cc81qt7ota6568ark3/wazebixemonipuzuxiz.pdf
- https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/9b9cae876e46aefcc406264638e758d7/68535404046.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074fa38babba---53022586700.pdf
- http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/kku0gvep51sfse391qkp7phmh6/83046340615.pdf
- http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/160b8c992d5d42---84558882575.pdf
- https://kalatranslation.co.uk/wp-content/plugins/super-forms/uploads/php/files/228p2snvlgppmfd1gciqnik0at/taxusoxepaka.pdf
- https://ltssinternational.com/res/wysiwyg/file/15082610877.pdf
- http://bioscipublisher.com/files/upfiles/file/67087284361.pdf
- http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9875c963dd---tusebapimiwapuzotuwunigal.pdf
- http://quangcaosms.org/media/ftp/file/junojapatasivitapixip.pdf
- http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/65s1aso496kt4v7j5sc5nomkah/30272947021.pdf
- 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_off0000ea98.bin33b95ea655b93069d697f2a6c51f9293e8ffd9030b3be64e14190741cd24e2c3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA98 | 17828 bytes |
font_01_sfnt_off000119b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119B2 | 16792 bytes |
font_02_sfnt_off000131c9.bin285749262aa3419e81a7fa32ebd8920a43cae45b7fe2089e06584cffe1d61c84 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x131C9 | 10728 bytes |
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