MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users. The ML classifier strongly indicated maliciousness, and the presence of compromised CMS upload links further supports a malicious intent, likely for phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 5
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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://posaonakosovu.com/ckfinder/userfiles/files/67233675851.pdf In PDF document text
- https://alev.az/userfiles/file/dapajalazadabud.pdfIn PDF document text
- http://xn--nellieskche-0hb.de/userfiles/file/26389602530.pdfIn PDF document text
- https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/966f52392f1288462a5d2a876e8c5f71/wopedavomifegojivofu.pdfIn PDF document text
- http://jilienjrubin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wipuxefodedinolodetopoz.pdfIn PDF document text
- http://medicare-darmstadt.de/bilder/UserImages/file/menofetozi.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109041748362012.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/161359f7ecbb45---59617550566.pdfIn PDF document text
- http://crabandclaw.com/uploads/files/bededefovikif.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/161497735bd7be---87028271157.pdfIn PDF document text
- http://twinmd.ru/userfiles/file/82269768557.pdfIn PDF document text
- https://lensmam.com/userfiles/file/daxowadegesinorat.pdfIn PDF document text
- http://dc-3ed4d7413bdb.prshots.de/uploads/userfiles/1630532107/files/7274927090.pdfIn PDF document text
- https://ekransamara.ru/files/pagedadalefagikakisune.pdfIn PDF document text
- http://smm-mm.com/uploads/news_file/patazubisupexinivolag.pdfIn PDF document text
- http://dragonera.cn/admin/userfiles/file/87435261754.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/gatiwojinu.pdfIn PDF document text
- https://cincia.ro/ckfinder/userfiles/files/8567330437.pdfIn PDF document text
- http://jerseybankruptcylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/45771934110.pdfIn PDF document text
- https://fishboat.hr/files/73221301372.pdfIn PDF document text
- http://www.badischer-kunstverein.de/ckfinder/userfiles/files/53451378747.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=android+remove+lock+screenPDF 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_off0000e88e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE88E | 18236 bytes |
SHA-256: 74e01489f1178f8d908023a2039bdd55b588523df610c0565a9016b4f704a09f |
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font_01_sfnt_off0001176a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1176A | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f81.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F81 | 10408 bytes |
SHA-256: 89343cbb3a4f53c81d537c1b2e39bacffd1fa990fde5f3299f367fe3ea9c03ae |
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