MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by multiple heuristics and an ML classifier as malicious, with ClamAV identifying it as a phishing trojan. It contains numerous links, many pointing to compromised CMS uploads, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and unreadable, providing no further context on its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/a050fc9ae51a2da7d9e0521b8f9aa81b/38924201800.pdf
- https://capecoralliving.com/media/file/xebiwe.pdf
- http://fosterfreezesantarosa.com/uploads/files/tukarerufadikivotorala.pdf
- https://jnnjhansi.com/userfiles/file/97562307712.pdf
- http://www.szphotar.com/admin/img/files/43864874498.pdf
- http://ephtour.com/FileData/ckfinder/files/20210906_581770B1041E0053.pdf
- https://taichielite.com/louis/taichi/ckfinder/userfiles/files/81450876625.pdf
- https://konyaalotaksi.com/userfiles/file/1968916919.pdf
- http://atreve.eu/ubezpiecz/obrazy/file/31750850155.pdf
- http://www.galiantsolutions.com/emailimages/file/norupowi.pdf
- https://aksusu.com/upload/files/83903109050.pdf
- http://yieldpharm.com/upload/files/sasomesikoro.pdf
- http://niezapominajkowo.eu/userfiles/file/41070462808.pdf
- https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/1e978a69fe960b5818004bbf7924ca4a/suxumutozexafovumi.pdf
- http://thcsnguyenvanhuyen.hoaiduc.edu.vn/ckfinder/userfiles/files/vomaxi.pdf
- https://led7.ru/file/fegogezilawada.pdf
- https://bdlvn.com/steel/upload/files/ginego.pdf
- http://dga.gr/ILC/img/file/mosijij.pdf
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/b55202719d141072906e2af66e56947a/figiwijigotelaturerapu.pdf
- http://sreema.org/FCKeditor/file/87836516812.pdf
- http://mcdanielz.eu/files/file/70527329237.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/i50qviurg3qqcgrh6464vd0qf2/fozifotinavepezidisi.pdf
- http://lignumweb.com/site/webroot/uploads/files/zivilukonopapilamo.pdf
- https://beeshark.ro/app/webroot/files/userfiles/files/marewamusugigawajo.pdf
- https://markyatirim.com/resimler/files/wovove.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+decompress+a+rar+file+on+android+for+ppsspp
- 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_off0000dc62.bin26987e2b10baf94d629505f2e3dce0d5c6ff647dacc02cd7515d791de574be62 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC62 | 10860 bytes |
font_01_sfnt_off0000f56b.binc5733721d7e88c8024d08a43ec16a96d74caecd9e4b4b08d1a163650ff658d46 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56B | 17848 bytes |
font_02_sfnt_off0001236c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1236C | 16792 bytes |
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