MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains a link farm with numerous URLs, many pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The ML classifier and ClamAV detection strongly indicate malicious intent. The file's structure and the presence of multiple external links are consistent with a spearphishing attachment used to lure victims to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://matrix-corporation.com/upfiles/editor/files/28131321811.pdf In PDF document text
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161325cb40c2de---48641605033.pdfIn PDF document text
- http://acupunctuuryao.nl/ckfinder/userfiles/files/pidotesawadux.pdfIn PDF document text
- http://westernmaki.com/uploads/files/16275271600.pdfIn PDF document text
- http://firewheels.pe/userfiles/file/82933865106.pdfIn PDF document text
- http://sangtaoad.com/uploads/userfiles/file/voxaximapuxipige.pdfIn PDF document text
- https://meesens.be/KrMee/Tekstverwerker/pidoz.pdfIn PDF document text
- https://trompis-tondschungel.de/userfiles/file/52150099158.pdfIn PDF document text
- https://b7b.reviewz.eu/app/webroot/files/userfiles/files/8901345522.pdfIn PDF document text
- https://cytairtool.com/test/userfiles/file/20210906_dd057.pdfIn PDF document text
- http://dangkyidol.com/wp-content/plugins/super-forms/uploads/php/files/cdmq17t9v7644mopfnn7u6vu00/40120934794.pdfIn PDF document text
- http://kenzoum.org/home/integrity/public_html/ckfinder/userfiles/files/53677259194.pdfIn PDF document text
- https://rjpexport.com/files/gegurojadutejasi.pdfIn PDF document text
- http://pmrs.ps/userfiles/file/gigadijixabob.pdfIn PDF document text
- http://eegbiofeedback-leszno.pl/userfiles/file/sotapabof.pdfIn PDF document text
- http://designgaleria.hu/userfiles/file/wovasibotarof.pdfIn PDF document text
- https://studio45.live/wp-content/plugins/super-forms/uploads/php/files/b600an923nlko3cjbu5auctbd6/folimu.pdfIn PDF document text
- https://movie2book.com/userfiles/file/mimajatifewilewif.pdfIn PDF document text
- http://cs-web-design.de/ablage/userfiles/files/vowoxajajod.pdfIn PDF document text
- http://saint-party.com/media/file/jopoje.pdfIn PDF document text
- https://dichvumoinoi.com/ckfinder/userfiles/files/pimojotikodij.pdfIn PDF document text
- http://archissimo.eu/userfiles/files/rilop.pdfIn PDF document text
- https://ctcitsupport.com/media/files/18684277530.pdfIn PDF document text
- http://cheniou.handysociality.com/upload/files/26156634200.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/pobiropozadenilaw.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=snaptube+application+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_off0000c099.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC099 | 17536 bytes |
SHA-256: a4b57d293991674a5c5ee47ec5d7f1be6e30e3185d2aed67c014d679ed5d8223 |
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font_01_sfnt_off0000ee36.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE36 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001064d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1064D | 10640 bytes |
SHA-256: 5aba4380be4351cbcd66f21054fc5ca2ed0a139d7d6e522a758702f6e32c96ea |
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