MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. It contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farm heuristics strongly indicates a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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://nomylo.ru/uplcv?utm_term=fire+emblem+sacred+stones+gba+rom PDF link annotation
- https://digireg.nz/upload/gedifatewufo.pdfIn PDF document text
- http://www.allatpatikapecs.hu/images/file/10148094514.pdfIn PDF document text
- http://www.texaco.bargiel.com.pl/ckfinder/userfiles/files/14950445953.pdfIn PDF document text
- http://dulichgiahy.com/upload/file/22551862836.pdfIn PDF document text
- http://www.offshoreyachts.net/web_upload/editor/files/16942290753.pdfIn PDF document text
- http://domusanna.it/userfiles/files/14111982202.pdfIn PDF document text
- http://abdon.madteam.net/ckfinder/userfiles/files/dudomeditijovafopemawew.pdfIn PDF document text
- http://balcimimarlik.com/resimler/files/78679866250.pdfIn PDF document text
- http://goozzl.com/userfiles/files/vumufefarigixurijotenap.pdfIn PDF document text
- https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/3f94dee7f06fe76898a41c25e2a88cd9/29965178494.pdfIn PDF document text
- https://bdata.vn/upload/files/38206819584.pdfIn PDF document text
- http://gangwonbnb.com/FileData/ckfinder/files/20210904_521DD53B689A35AF.pdfIn PDF document text
- http://lynxitservices.com/ckfinder/userfiles/files/kosaru.pdfIn PDF document text
- http://kibbkw.com/uploads/file/83837708170.pdfIn PDF document text
- http://mojahotels.com/ckfinder/userfiles/files/91955802523.pdfIn PDF document text
- http://phyllisrubensteinlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8941105215.pdfIn PDF document text
- https://bahia-group.com/ckfinder/userfiles/files/piburukavedeguk.pdfIn PDF document text
- http://cargologicru.com/sadm_files/jokovurupulufepumaditipox.pdfIn PDF document text
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/161334f5b8fdf1---85264085498.pdfIn PDF document text
- https://eownauto.com/uploadpic/files/gibobofupaxupo.pdfIn PDF document text
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/161456a08870eb---93018862227.pdfIn PDF document text
- http://firsttimehomebuyerstudy.com/images/file/tasobasazukomebow.pdfIn PDF document text
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/16134325fcafa7---gopipinovojogetutanaluf.pdfIn PDF document text
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/6b9e68d8bf22f53cefcaa8e4ad5a7cf5/89549265942.pdfIn PDF document text
- http://msdoubrava.cz/foto/images/file/livilogowawusosavironi.pdfIn PDF document text
- http://www.themixchange.com/userfiles/files/megobuwelax.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_off0000c12c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC12C | 10828 bytes |
SHA-256: 14f0988fa2dd7fd2af66132936f0c5964b37572ef7308b5921a86e55be61ef37 |
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font_01_sfnt_off0000d9e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f1fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FB | 18972 bytes |
SHA-256: a220391a92a3bb887ac2105a3e1140d25637763038feb6b59d67baff098dc2a4 |
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