MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' specifically highlights this behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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://oniceh.ru/uplcv?utm_term=a95x+f3+air+manual PDF link annotation
- https://avflash.nl/upload/files/xizuv.pdfIn PDF document text
- https://wegofa.com/userfiles/file/xekodafigalinuwuduseb.pdfIn PDF document text
- http://cuacuonbinhduong.com/upload/files/zudinaxopike.pdfIn PDF document text
- https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16152233fa0c79---lemabipunito.pdfIn PDF document text
- http://dobraukraina.org/sites/all/sites/dobraukraina.org/files/76416141814.pdfIn PDF document text
- http://helloslow.com/data/userfiles/files/kamepu.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161536744570cc---xarulunududenimuvo.pdfIn PDF document text
- http://e-photo.lv/ckfinder/userfiles/files/86628634014.pdfIn PDF document text
- https://www.vigo.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16143ecf94e105---xurimomijibakokedopu.pdfIn PDF document text
- https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/65857906751.pdfIn PDF document text
- https://lightupalife.org.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1614e2119a242d---piruwo.pdfIn PDF document text
- http://networkinglikepro.com/ckfinder/userfiles/files/17594375284.pdfIn PDF document text
- https://www.lsv-wittlage.de/ckfinder/userfiles/files/23339505791.pdfIn PDF document text
- https://fnb-concepts.com/images/uploads/files/68175583672.pdfIn PDF document text
- https://ohcsi.com/ckfinder/userfiles/files/23864660005.pdfIn PDF document text
- https://singhaniabrothersltd.com/ckeditor/ckfinder/userfiles/files/61364020168.pdfIn PDF document text
- https://virtualpulse.eu/UserFiles/file/vikewubolugodakiraj.pdfIn PDF document text
- http://riverla.vn/uploads/userfiles/file/zanadisirur.pdfIn PDF document text
- https://hattoco.vn/images/ckeditor/files/85431370250.pdfIn PDF document text
- http://business-baltic.com/myfiles/dok/2839235584.pdfIn PDF document text
- http://arredamenticucinesiciliane.it/userfiles/files/15076269569.pdfIn PDF document text
- http://lmnn.ru/userfiles/file/65410361610.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/soviluzul.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_off0000b1cb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB1CB | 15940 bytes |
SHA-256: 4655a6a5a700d95b6061569945df19dcd9ca69ab44def1a707dc5f672f7366e6 |
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font_01_sfnt_off0000da84.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA84 | 10512 bytes |
SHA-256: e8533ff0c6743ce19d91bfed63803ed54f1797fcf4d34f885e687f994e2e5eb8 |
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font_02_sfnt_off0000f262.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF262 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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