MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a link farm pointing to compromised WordPress uploads and other disposable hosting, aiming to trick users into downloading a game. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the PDF structure and embedded URLs suggest a social engineering attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9919
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 http://stringladies.cz/userfiles/guxugeliwetakufudewilifu.pdf In PDF document text
- http://pension-erlkoenig.de/img/editor/file/kigezetisimugex.pdfIn PDF document text
- https://postelezmasivu-liberec.cz/ckfinder/userfiles/files/jagurapotojabolazigib.pdfIn PDF document text
- http://pcserviszlin.cz/ckfinder/userfiles/files/94808243990.pdfIn PDF document text
- https://hygradeinsulators.com/images/uploads/file/pegojed.pdfIn PDF document text
- https://millinerandassoc.com/files/file/67440956976.pdfIn PDF document text
- https://jbdclothiers.net/emailer/userfiles/file/koranuxogakiwesifexoja.pdfIn PDF document text
- https://australiancaravancentre.com.au/application/third_party/ckfinder/userfiles/files/wimexopefelolulijoxar.pdfIn PDF document text
- https://lrsdev.com/userfiles/file/vukujukusububixobususar.pdfIn PDF document text
- https://nurea.se/currency/userfiles/file/47711383858.pdfIn PDF document text
- http://saxonrt.hu/img/userfiles/files/38850523172.pdfIn PDF document text
- http://baraanduliaptti.org/userfiles/file/wipaxuruja.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/79e80f84d122aece13aaecdce34bee14/45793005813.pdfIn PDF document text
- http://z-him.ru/userfiles/file/36226905762.pdfIn PDF document text
- https://cosonnguyenthanh.vn/webroot/userfiles/files/labalifikisubiwarinugimep.pdfIn PDF document text
- https://ddtoyz.com/ckfinder/userfiles/files/tuvusijeviguviru.pdfIn PDF document text
- https://derfo.info/resimler/files/xuvesawapilu.pdfIn PDF document text
- http://fotografoenricogiampieri.it/userfiles/files/74218744023.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/1f8e7f3c1f1760895f23013032fe1b90/delujor.pdfIn PDF document text
- http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161451dba65f1c---vofebubed.pdfIn PDF document text
- http://asbu.net/uploads/FCK_files/file/99161529092.pdfIn PDF document text
- https://baxsporthorses.com/userfiles/file/29237924404.pdfIn PDF document text
- http://edisonprivateschoolbeta.com/cote_dor_import/admin/ckfinder/userfiles/files/40003776069.pdfIn PDF document text
- http://eyupsifalibitkiler.com/resimler/files/sevevutepinelawirizafure.pdfIn PDF document text
- http://tandprotheses.com/ckfinder/userfiles/files/zilepoval.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=download+garena+free+fire+apkPDF 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000be1d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBE1D | 16148 bytes |
SHA-256: b17e3c388ca520c70044df51a505a8c8de3d1ca9b2e495c629779bc8d31aca59 |
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font_01_sfnt_off0000d3ad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3AD | 10588 bytes |
SHA-256: 16e3962adde8330217f711115904964d9072a866dc1a229c8fa1a068fa7adf06 |
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font_02_sfnt_off0000ebbc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBBC | 20384 bytes |
SHA-256: 22935510bbc351d1a9e16ed06a3904d62b9a0fdcb26aaee42b2b7cb61007c2ca |
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font_03_sfnt_off00011fd7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11FD7 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_04_sfnt_off000137e4.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x137E4 | 1888 bytes |
SHA-256: 228445a3744f13af4bf84041e55802a923554d86926eb0745489ea117e4ab105 |
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