MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The sample was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other disposable hosting, suggesting a link farm designed to redirect users to malicious content. The PDF's structure and the presence of multiple external URIs strongly suggest it is used as a lure for phishing or to distribute further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://wastran.ru/uplcv?utm_term=export+svg+to+pdf+using+jspdf
- http://duocmyphamcongty.com/app/webroot/uploads/files/pawunofologi.pdf
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/047d5341d9f0d2ec8ad9691b78fc36d0/momim.pdf
- http://bamt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160765ba5be4fc---14555937892.pdf
- http://ypperfect.com/ckfinder/userfiles/files/gafajerido.pdf
- https://rodolphe-blanchet.fr/Rodolphe/fckeditor/file/60405117538.pdf
- http://sys-svinding.dk/userfiles/file/mobukaxejegoriti.pdf
- http://sibzakon.ru/ckfinder/userfiles/files/vokorewuzav.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/8a75fe5648f60b48b2af3d98d0bb7ffd/monezufemukufejupuv.pdf
- http://iphysiology.ru/upload/gatebuvalolawegoguz.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e7c25265f6---pirekin.pdf
- https://globalclassic.org/wp-content/plugins/super-forms/uploads/php/files/6t6mgrgrsfqievlkoqjm9il2kb/betaneluz.pdf
- http://ekolojikweb.net/upld/userfiles/file/65246983402.pdf
- https://yellowstonewildlife.com/56025484009.pdf
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/692ee8845e0b767a83f491dda3c9b746/27698388014.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/52089985351.pdf
- http://hypotekaprezamestnancov.sk/res/file/devikagafuzarativofomef.pdf
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cd80ec9863f---majojadedonoxo.pdf
- http://bfr-bialapodlaska.pl/userfiles/file/nebabidilezena.pdf
- https://www.sudburyhighspeedinternet.ca/wp-content/plugins/super-forms/uploads/php/files/5dd6f2eaa62cbfe80a528781f371c34f/53063691116.pdf
- https://jagamimpi.com/contents/files/12550497494.pdf
- http://teechart.com/uploads/images/files/46716127672.pdf
- https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/ce9eecb52d3ad055b8533cbd051798c3/fagizitekedilebexaka.pdf
- http://keralabiblesociety.com/fck_uploads/file/73590870053.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1611ced432d32b---52493053000.pdf
- http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078579d5d439---wilalopigosused.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c470.binb479078f3ac750a0977fd2474ee0f1825c31ed12df13f9890bba1b0d37afb3b6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC470 | 17768 bytes |
font_01_sfnt_off0000f357.bin45d1c0032e3a8b94490ecf05778129e2036c93190b2db6484c9687fbf82378eb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF357 | 10712 bytes |
font_02_sfnt_off00010bce.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10BCE | 16792 bytes |
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