MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites, suggesting a phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lure users to malicious sites via a link farm.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
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://ketchas.ru/uplcv?utm_term=mod+apk+unlimited+money+games PDF link annotation
- http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/bceca385c4df83ea59a7f13d66d8dc67/64584630588.pdfIn PDF document text
- http://steelfurniturecn.com/d/files/16436173971.pdfIn PDF document text
- http://usefchina.com/uploadfile/file///2021090713151479.pdfIn PDF document text
- http://bioident.pl/photos_fck/file/temijimibilasuxerokuzije.pdfIn PDF document text
- http://ageddfjtj.pretty-match.com/upload/files/figagox.pdfIn PDF document text
- https://www.aironface.com/wp-content/plugins/super-forms/uploads/php/files/731e5239805a1fd6a17a4cd419989da3/58471496101.pdfIn PDF document text
- http://www.meglobalinc.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/161427a8ed8ad0---46373440.pdfIn PDF document text
- http://svs-pm.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f8a0be67c1---27116308629.pdfIn PDF document text
- https://doitoutdoorz.com/file/FtUjs7SbTRnSIfK4.pdfIn PDF document text
- http://www.bufolari.com/public/immagini/file/guviwefudoza.pdfIn PDF document text
- http://brmhn.com/userfiles/file/20210906000439_d1uzx6.pdfIn PDF document text
- http://neo-net.info/giganet/files/file/mozofuluxigile.pdfIn PDF document text
- http://www.mmalappeenranta.com/tiedostot/files/62302263234.pdfIn PDF document text
- https://history.tlshaa.org.tw/ckfinder/userfiles/files/55199552032.pdfIn PDF document text
- http://moutierrozeille.fr/userfiles/file/68378304909.pdfIn PDF document text
- http://potlista.com/file/files/dazovemiz.pdfIn PDF document text
- https://girilawfirm.com/content_files/files/bixufazisu.pdfIn PDF document text
- https://cryptobasics.biz/uploads/files/rikalipufa.pdfIn PDF document text
- http://eia-edu.com/userfiles/file/penuwejuxudigekudopu.pdfIn PDF document text
- https://nepalonlineexam.tisaracademy.com/userfiles/files/12643755887.pdfIn PDF document text
- http://ecohouse-lab.de/userfiles/file/3037094676.pdfIn PDF document text
- http://finchamauto.com/pics/puraxakamizipirowawidit.pdfIn PDF document text
- 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_off0000da01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA01 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f218.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF218 | 10936 bytes |
SHA-256: c1da546ffd612a30eff7e44ff834a624d5c44c852d7459ce68796a7d4d1a5414 |
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font_02_sfnt_off00010b33.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B33 | 17116 bytes |
SHA-256: ea6e10772f09506446b509043bcd921e9cd7853859a46536d03b26a4e06eca4a |
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