MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF was identified as malicious by ClamAV and an ML classifier, indicating it likely exploits a vulnerability or contains malicious content. Heuristics indicate it functions as a link farm, with many URLs pointing to compromised WordPress sites and disposable hosting. The document body is heavily obfuscated, preventing a clear understanding of its direct user-facing purpose, but the overall structure suggests it's designed to redirect users to potentially harmful external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://faceless.me/userfiles/files/77238175268.pdf
- https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/038ebe0e27c1d8fccb8337f8399a1d75/wanasebobokatogene.pdf
- https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/1a410410513d56b59656bc5bd1f2a256/ligefatid.pdf
- http://andlupa.com/userfiles/file/62047610745.pdf
- http://www.akutrans.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f2d1c836f2---laduzolumixebobomuni.pdf
- http://global-insurance-broker.de/downloads/87790495312.pdf
- https://mamo-tato.ro/userfiles/file/8445624514.pdf
- http://guides2alpes.fr/uploads/file/32726606678.pdf
- http://www.opencalgary.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e26a053af---94059279765.pdf
- http://marta-galan.com/files/varios/file/gabajewamapozav.pdf
- http://pozitron-s.ru/userfiles/file/tuwinoki.pdf
- https://nanyangtextile.com/userfiles/file/wurijibakanupapopagilino.pdf
- https://krimgranit.ru/wp-content/plugins/super-forms/uploads/php/files/a71e77d3273dfc05f493e7f0369290ef/90360706556.pdf
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/7505e7329a08ecaa547777e37b86f80a/42769246028.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/oknsjdqgk7mu9edkojldja2cc2/xuxigupevoluxelokelub.pdf
- http://cetinelektrik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16075455c78a25---14957288318.pdf
- https://daleplumbinginc.com/wp-content/plugins/super-forms/uploads/php/files/42b27ebfb3c63c3a53e827a08a586546/pelefepuzekunil.pdf
- http://alarmy-kamery24.pl/userfiles/file/8224888247.pdf
- https://havanic.com/cache/fck_files/file/mepajevogutizuforevuwera.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/rstphp9rdup8nhlkmeeke2ptd7/71733442168.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608325a6261c6---jutidixafuxulapa.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a5a21394a5---97130623508.pdf
- https://spaslask.pl/wp-content/plugins/super-forms/uploads/php/files/1k1suoqjodiv4pvnbup1ebkeq1/takuza.pdf
- http://sooclose.eu/upload/File/55084170157.pdf
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d09e6bc627b---1451479912.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=all+the+best+in+your+new+endeavour
- 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00017af8.bine6f13b4fb29062bb0f4993a72f74b47c2c23463ca84fcf1a54a4111c1485a8f4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17AF8 | 10832 bytes |
font_01_sfnt_off00019404.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x19404 | 16792 bytes |
font_02_sfnt_off0001ac11.bin839a64b3afb064a3d452529280cc014f5b40d9015bc20bd79f871aaa4d65cb59 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AC11 | 9296 bytes |
font_03_sfnt_off0001c9a6.binb6061bbd5fffbb52fb7eca2f615c2c92be3ecf5ea09ecea3602f46f28d0d19be |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1C9A6 | 17152 bytes |
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