MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The document functions as a link farm, containing numerous URLs pointing to compromised WordPress sites and disposable hosting, suggesting an attempt to distribute or obscure malicious content. The presence of multiple external URIs and a link farm structure points towards a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9920
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://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4383a7dc90---73155413527.pdf
- http://angelcabrera.com/FCKfiles/file/36740609913.pdf
- http://jamessham.com/admin/usercontent/file/zalafukumepojeja.pdf
- http://elmiraclassiccountry.com/wp-content/plugins/super-forms/uploads/php/files/3dsjgallgqnq36n4krbvcs0to7/gosubomorobazaxaza.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16072f89bf1419---poginutupemesit.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/540be5b065d737cfedc399a55e4b41d3/winipimejapevela.pdf
- http://bioident.pl/photos_fck/file/junij.pdf
- https://baoholaodong24.com/userfiles/file/73716761392.pdf
- http://oryginalnedekoracje.pl/userfiles/file/59304605191.pdf
- http://glenbrooksouth1970.com/clients/1/17/17fc1bd13d5538a69f39d58c869d2fc5/File/kafeduwarinole.pdf
- https://cooperspick.com/files/46741902910.pdf
- https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/dpvp364uitpvb7t1q1utok2n51/83841047097.pdf
- http://a2itsolutions.com/chop/multimedia/userfiles/file/57232269719.pdf
- http://greece-ex.com/images/blog//file/43550777775.pdf
- http://madveras.com/ckfinder/userfiles/files/subigifedijuwadikaviwa.pdf
- https://reparation-mobile.net/userfiles/file/67579141790.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/8ac3d584471dfc88bdd7c839379aea0b/sodemenipud.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/941034f07e67076a246514cc1392150e/fesatanutunapulu.pdf
- https://bikeid.net/ckfinder/userfiles/files/19870563377.pdf
- https://www.qbuildsoftware.com/wp-content/plugins/super-forms/uploads/php/files/4846c1f7a9422aa593c32b9e6943040f/94304669216.pdf
- http://www.truca-taoules.com//ckfinder/userfiles/files/89748132331.pdf
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/8f01a741f5ff8ae7540ffd427899ba26/4713538992.pdf
- https://cdpu.net/wp-content/plugins/super-forms/uploads/php/files/7db37157df0da5487d3d57f1b81fff57/385249868.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=maplestory+wind+archer+skill+build
- 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 |
|---|---|---|---|
stream_003_off00011261.bin92bd25b3a66b2c37391238e282c091619118860effb4feb5a42fcb65bddee693 |
decompressed-pdf-stream | PDF FlateDecoded stream at offset 0x11261 | 17316 bytes |
font_00_sfnt_off0000f893.binb0bb788a154e64263c0d441cac03c20d439dc1027ecec6051fab78177227f82b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF893 | 11136 bytes |
font_02_sfnt_off00012c6f.bin1176e54b3948f15868a959370af1263e7c6e9286fa85b4121ec2b0c8c0f237d0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12C6F | 17808 bytes |
font_03_sfnt_off000159b1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x159B1 | 16792 bytes |
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