MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier with high confidence. It contains numerous external links, many pointing to compromised WordPress upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of multiple PDF link farm heuristics indicates a deliberate attempt to obscure the final destination and potentially distribute malware or conduct phishing.
Machine Learning
- Nyx PDF Classifier malicious score 0.9955
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://queure.ru/uplcv?utm_term=special+education+aide+jobs
- https://hirurgija.me//files/8416344190.pdf
- http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/9eda505bc077a3a7ed8203c7de8d08cb/9412302617.pdf
- https://hotellemaritime.com/hotel/upload/files/davezoninubujowu.pdf
- https://watertorens.nluserfiles/file/19587397457.pdf
- https://bladmedyczny24.pl/wp-content/plugins/super-forms/uploads/php/files/4acbd97772cc09d1d31fffc6b3137722/redubopabexobojadukiva.pdf
- https://mojer.bg/files/48814526203.pdf
- http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/9507e3443b267a09e19820bbc1a73c56/jesegit.pdf
- http://wijnhuis-vaessen.nl/site/data/ws/files/67520638642.pdf
- https://callalilyvn.com/upload/files/mixixisugomezopuv.pdf
- http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/bowazapamarox.pdf
- https://techielingo.com/fck_uploads/files/39660790523.pdf
- http://accronline.com/userfiles/file/soboti.pdf
- http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d1e4582fd60---59515501005.pdf
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b61da8c4d---tifoponimitemaxozimifu.pdf
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16071fde2e31fd---68919389493.pdf
- http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160adc9ef804a5---38785183894.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/64659b4dc7388813d41654fb2bde4dfa/towed.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/9668e5db46437d68fe90ec34a80da7d3/redadisud.pdf
- https://www.auditek.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160934c12a778d---29742312459.pdf
- https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/58229bbd4bbeb1baa54a926a63eb8d91/8301542616.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e212c821c6---xogez.pdf
- https://www.novet.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b84a351ef2d---91890091104.pdf
- https://butterfly-propertymanagement.com/userfiles/file/foxawafukewevosobudunev.pdf
- http://aucoindeshalles.com/menu/file/lefozerexibuxeterar.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_off0000e7a3.bin1605d0b47d8c5deca7af1897ccb220b7c82573cfd82ef6392775873f978b4c90 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7A3 | 16484 bytes |
font_01_sfnt_off00011270.bin7de46835c80bee1b08f2780a536438c2a3596ebc92d33693684be4eab89ec1ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11270 | 10852 bytes |
font_02_sfnt_off00012b55.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B55 | 16792 bytes |
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