MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains multiple heuristics indicating it is a link farm pointing to potentially compromised websites, with a high ML score and ClamAV detection confirming maliciousness. The embedded URLs, such as http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161412d0d2e38e---71141956882.pdf, are likely used to redirect users to phishing or malware hosting sites. Although no scripts were explicitly extracted, the PDF structure and URL patterns are consistent with a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://gattoneva.pl/pages/userfiles/file/mutasenebibedinu.pdf In PDF document text
- http://myphamvickwhitebeck.vn/luutru/files/tinovuvexogepaxakefanik.pdfIn PDF document text
- https://mattweidnerlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613f84a5a4802---belodozebebekazefeb.pdfIn PDF document text
- https://5703n1n6999-6a55.com/contents/files/29503307058.pdfIn PDF document text
- http://musthighschool.mn/ckfinder/userfiles/files/zoravezokabikufirev.pdfIn PDF document text
- http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/161412d0d2e38e---71141956882.pdfIn PDF document text
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1613529f3e74b0---puxeburomemubifufawakeb.pdfIn PDF document text
- http://thaymanhinhlaptop.com/userfiles/file/15387305335.pdfIn PDF document text
- http://pcwenhua.com/uploadimg/file/16308195521343040538.pdfIn PDF document text
- http://www.medic-pneumolog.ro/fisiere/file/14966012765.pdfIn PDF document text
- http://heryeryesil.com/resimlerfiles/63453329980.pdfIn PDF document text
- http://kronikarp.pl/ckfinder/userfiles/files/nifanakiso.pdfIn PDF document text
- http://inistor.com/ufiles/files/vedobupezato.pdfIn PDF document text
- http://euro-ex.net/images/blog/file/9870933504.pdfIn PDF document text
- https://manorhair.com/uploads/files/202109132103366620.pdfIn PDF document text
- http://195exim.com/datas/files/nomefoluv.pdfIn PDF document text
- http://odontoflash.eu/userfiles/files/97348705550.pdfIn PDF document text
- https://momsgardenfoods.com/ckfinder/userfiles/files/lufanefawusa.pdfIn PDF document text
- http://agriturismolataggiasca.eu/userfiles/files/27937977799.pdfIn PDF document text
- http://clainvest.pl/userfiles/file/nezedefadatunibojo.pdfIn PDF document text
- https://permargi.com/files/galeria/files/tunugibiku.pdfIn PDF document text
- http://dichvuhieuchuan.com/upload/files/poxekovizego.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=the+seven+deadly+sins+apk+downloadPDF 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_off0000c5c5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC5C5 | 10612 bytes |
SHA-256: ec28af46c38ded2fd9ebc7968d185aad26a24396bba9802dcb42b1961aa59cf1 |
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font_01_sfnt_off0000ddfd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDFD | 17504 bytes |
SHA-256: 175b59da95b2d0d831890646ecacbdce6ba18387cd26d10c8e67c18d16f75b0b |
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font_02_sfnt_off00010aab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AAB | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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