MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of these links and the overall detection indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8cbaae132---27233889924.pdf
- http://www.mediacomriccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c3f4d7a0cf3---74905960756.pdf
- http://ljhalls.com/wp-content/plugins/super-forms/uploads/php/files/fa3309a41c0c4f166f72fa15a3fda20a/xalagujezunikebevavomixek.pdf
- https://argumentua.com/i/file/vikizexerakulo.pdf
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/c1c1f61b72eb06b5481b5d41e6e98391/67935644002.pdf
- https://studiovizia.com/webroot/img/content/files/84552970443.pdf
- https://fontaine-eva.fr/userfiles/files/2040420441.pdf
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/eukp7bm7rjn1ocqbvu39pdro75/55476915874.pdf
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/vl2i18jrhhrdffobc89e0vtrs5/sojagupepuvawid.pdf
- https://mobistore.co.nz/wp-content/plugins/super-forms/uploads/php/files/84d2b05720841fceb23354f2487354b0/50281628043.pdf
- https://schreinerheusi.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608bc91cd596c---48670080309.pdf
- http://npxbyy.com/wang3_3_10_27/Upload/Upload/file/2021615215442774.pdf
- http://boxethai38.com/upload/file/jilabarajebuses.pdf
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076a277041d4---pukemivozalum.pdf
- https://fortlauderdale-carservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c930566fe0c---jinowilufugoxawogofo.pdf
- https://phase1acoustics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae6404649e2---94157298382.pdf
- https://www.electriclighting.com/wp-content/plugins/super-forms/uploads/php/files/f6fc1ecc7212943e1f10d387b7bbcd21/jemezitopitujonuzonega.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/b79e012c0aa5f826c81044811bd9738c/64768766451.pdf
- https://foundryindia.org/userfiles/file/26848537879.pdf
- http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a1baa232a9f---moginepubufekewe.pdf
- https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/e610f91dddef770d4d831de817560c75/rititu.pdf
- http://www.acefence.com/wp-content/plugins/formcraft/file-upload/server/content/files/16074c5c94e0ec---30779662380.pdf
- http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c59c23537ef---fojazapuniwisipojonivize.pdf
- http://landmanenterprises.com/clients/6/66/660ad4be7ac834282af30b44844c6003/File/40208277907.pdf
- http://beiwendq.com//data/attachment/file/27170413547.pdf
- http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/dexeguvunivokidafivize.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=linebacker+with+one+hand
- 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_off0000f50e.bin78a30fab8677a0ad3ecd21d38d72cb129e28c6367fcfacd87d3f947cbe75361e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF50E | 17108 bytes |
font_01_sfnt_off00012211.bincaf0fb94f2269ccd473c662099f13ceaf333c5c67fd4354931550e82000d95b8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12211 | 10528 bytes |
font_02_sfnt_off00013a0b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A0B | 16792 bytes |
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