MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to multiple compromised WordPress sites, likely intended to lure victims to a malicious destination. The ML classifier and ClamAV detection strongly indicate malicious intent, classifying it as a phishing trojan. While no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with phishing lures.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://nobleanimalsanctuary.org/wp-content/plugins/super-forms/uploads/php/files/tmp/50979898064.pdf
- https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/pv2hqlqiid0ibj3iob11qgqvu5/99122062656.pdf
- http://kerrya.com/ckfinder/userfiles/files/momojakonazolupizutit.pdf
- http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/ahred15uo1aelcl3mk4qtgabs0/5906528756.pdf
- http://braintradingbcn.com/wp-content/plugins/super-forms/uploads/php/files/af678e1facd3cabdeeb1a6fa435caeff/rapetezivotasu.pdf
- https://londonvipchauffeur.co.uk/wp-content/plugins/super-forms/uploads/php/files/940a0062b48eff85468386dcf224d197/jewoxawarewaxi.pdf
- http://odessahighschool1970.com/clients/7/70/70263b1be1b93b62200e198143f59f20/File/45331492099.pdf
- http://7tec.ru/userfiles/files/fixaxe.pdf
- https://www.adelaarenergy.com/wp-content/plugins/super-forms/uploads/php/files/sjuqvo15a4aqbcgtu0dkpmkem5/budoxerotifegomek.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160c96d4fadc35---joxidufewisu.pdf
- https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8b5329f943---sunigazinorepunedobikov.pdf
- https://chocoinmobiliario.com/wp-content/plugins/super-forms/uploads/php/files/17df55b89118b7011caa5191e5cbf24b/kavuxejiduze.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/j6sucnf74bqphunhaavbepu878/papibifuxafiporinomojug.pdf
- https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b62baf2a734---64391238838.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1607cafca9bbb4---84112838185.pdf
- https://ancoraeducacion.com/images/delesijowad.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160878137a96d8---44278470014.pdf
- https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/d84838ac417f26d6b6bb6b2aa78cdb12/34082013221.pdf
- http://ruresept.ru/files/file/62010041351.pdf
- http://anbao.vn/uploads/userfiles/file/nowazaduzaseburil.pdf
- https://equantumconsulting.com/files/files/15012158185.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=discord+in+a+sentence
- 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_off0000e824.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE824 | 16792 bytes |
font_01_sfnt_off0001003b.bin3b0ecdf01aa2bcde0f99a639b11acfc5935a2534555ca42504213a0de9c89c85 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1003B | 10316 bytes |
font_02_sfnt_off00011798.bin223e3aec1c42c612ed7cce137cf9406286fbe2a0057492cec94ad9eb05ca53ac |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11798 | 17456 bytes |
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