MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by a ClamAV detection and an ML classifier. Static analysis revealed it functions as a link farm, containing numerous URLs pointing to compromised WordPress sites. These links are likely intended to lure users to malicious content or phishing pages, aligning with a spearphishing attachment attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f1b92ceed1---raputaguzi.pdf
- https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd7e2b74e---22807383668.pdf
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d602ac9c64---bugojopewimazebir.pdf
- http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/02gj1mus1sfjajddg99uab3m17/32891838717.pdf
- http://annandale1963.com/clients/69704/File/65458073136.pdf
- http://supporttmes.com/clients/2/26/2647aeee05d38019bb2ff7af4ee9f9d5/File/19553592334.pdf
- http://angeladaniel.eu/uploads/files/barowagevepobinebali.pdf
- https://jooli.ru/ckfinder/userfiles/files/795501677.pdf
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/6d5234a9a4f371f0803925e3e5df34c9/81921963835.pdf
- http://cokhiminhhien.com/media/ftp/file/72108712150.pdf
- https://kitapkaplama.com/upload/ckfinder/files/jifemitofilezarariruz.pdf
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/vukn6lv25rkc44oqomb3i70171/bitenamevasewaxa.pdf
- http://sjar-tech.com/uploadfile/file///2021052914511743.pdf
- http://unnatiwelfareorganization.com/ckfinder/userfiles/files/47334876761.pdf
- http://eduomania.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606e30c7eded6---vabomegafuxafovugalono.pdf
- http://morethancars.nl/uploads/edytor/file/15421009765.pdf
- http://martom24.pl/martom/userfiles/file/berupejubajuguguf.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/jexegikazifuruwexaf.pdf
- http://theheavent.com/userfiles/files/50291097465.pdf
- http://perseverance.cyou/updatefiles/file/wivufezomevirerugava.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=destiny+2+charged+with+light
- 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_off0000f6c7.bin709285ab68a860417badfa397d1f3cd4cd8d322bc1e7bd3773252e46fc7ef6a9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF6C7 | 10852 bytes |
font_01_sfnt_off00010fc3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FC3 | 16792 bytes |
font_02_sfnt_off000127d5.bin6d91798fcc4cf8401cd394f34078738f424409cd7c6afca3710ff543fc428fdf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127D5 | 17332 bytes |
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