MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm pointing to multiple compromised WordPress sites, which in turn host other PDF files. This behavior is indicative of a phishing or malware distribution scheme, likely aiming to lure users into downloading further malicious content. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9780
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 http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/160703b431bb1d---japamafokegusefunijeletos.pdf In PDF document text
- https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8b617a3c3---83754084448.pdfIn PDF document text
- http://bomtvcloud.com/data/board/file/20210512211554.pdfIn PDF document text
- http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/7mb8eckem6rnfv638blcps45g6/sutozudezobopupajolin.pdfIn PDF document text
- http://riggi.ru/userfiles/file/xenujaweboro.pdfIn PDF document text
- https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/60cb887a219bfa0386cdee0905f6586d/66648234912.pdfIn PDF document text
- http://westboroughhigh76.com/clients/b/bc/bc4984db1d461a603911d7e4814e3e59/File/5628184788.pdfIn PDF document text
- http://classicalgardenstatues.com/uplds/file/koxanotisofotomukimovoji.pdfIn PDF document text
- https://amirep.com/wp-content/plugins/super-forms/uploads/php/files/ce2b574debacba2134ebf8e90ea607b6/numuxenidege.pdfIn PDF document text
- http://yuanjen.com/ckfinder/userfiles/files/sokojulevogifib.pdfIn PDF document text
- http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706ebc752f0---99500944213.pdfIn PDF document text
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9ec21a3a3---58775993430.pdfIn PDF document text
- https://fresh-cherries.com/ckfinder/userfiles/files/wumuvibeguzumanezi.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/59941592871.pdfIn PDF document text
- https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/301690beda9a18355c8429e8b8033096/luzimukeraxip.pdfIn PDF document text
- http://eprdel.cz/userfiles/file/pezonekomabataxixinoziv.pdfIn PDF document text
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16092d6a5a2aa5---88222587155.pdfIn PDF document text
- http://meta-min.com/files/17624206696.pdfIn PDF document text
- https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/f0ncud8v1ntk9u09isb2bh47ji/61136920645.pdfIn PDF document text
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160701c863a676---juwafanigewekuworaz.pdfIn PDF document text
- http://lumieretvie.com/userfiles/file/25114514573.pdfIn PDF document text
- https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/0uemp11s0scaao9vi7anjnqb15/28995186025.pdfIn PDF document text
- http://agataklimowska.pl/userfiles/file/gedujunakoxafixa.pdfIn PDF document text
- http://parejalecaros.com/adjunto/upload/fck/files/pobotexixexuvu.pdfIn PDF document text
- http://aggengr.com/uploads/CMS/file/18561524376.pdfIn PDF document text
- http://taxicityplus.ru/userfiles/file/68955840144.pdfIn PDF document text
- http://lalitas-thaimassage-spa.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606d90ee37a65---67364666699.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=food+and+beverage+operations+management+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00013eff.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13EFF | 16976 bytes |
SHA-256: 75107cbee241e895c1a7c01f24f1265caabf6268e5f7fc6c7b961cd1897fd97b |
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font_01_sfnt_off00016b31.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16B31 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00018348.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x18348 | 10980 bytes |
SHA-256: 128f8c6eb089994f90b550192169fba8e29c8d5d70beee54e15a60551d840e58 |
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