MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains a large number of links, many pointing to compromised WordPress uploads and disposable hosting, suggesting a link farm designed to redirect users to malicious sites. The presence of external URIs and link farms indicates an attempt to lead the user to a phishing or malware distribution site.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://pixomot.ru/uplcv?utm_term=themen+aktuell+1+kursbuch+audio+free+download PDF link annotation
- http://wangyiphk.com/userfiles/8714339810.pdfIn PDF document text
- http://fosterfreezesantarosa.com/uploads/files/wukawizukusugon.pdfIn PDF document text
- http://www.nbrownies.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f45e6ba1ef---xurufazekezelinirarado.pdfIn PDF document text
- http://merwepizza.com/upload/file/tadatilixaxipomujeseji.pdfIn PDF document text
- http://vtaky.sk/media/file/xetiriberamape.pdfIn PDF document text
- https://clubkdo.fr/img/pics/files/rezenomawe.pdfIn PDF document text
- http://twtqedu.com/userData/ebizro_board/file/vapugazosodumanapobik.pdfIn PDF document text
- https://www.baileysmilk.com/wp-content/plugins/super-forms/uploads/php/files/8eac6b4996b7ed69df3ca4b9cc07f14d/vekutoju.pdfIn PDF document text
- http://joyear.com/ckfinder/userfiles/files/nonumobaku.pdfIn PDF document text
- http://kuppersbusch.hu/userfiles/files/25796376451.pdfIn PDF document text
- https://lexconsulting.ro/webroot/files/media/57454397992.pdfIn PDF document text
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b64e1d5a1---wugiwimudolotituv.pdfIn PDF document text
- http://chapaconoticias.com/assets/ckfinder/core/connector/php/uploads/files/tivetek.pdfIn PDF document text
- http://ekopaczka.pl/imgbrama/files/kuzajupoved.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16130c9a047e18---60609901455.pdfIn PDF document text
- https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/gkb25c7vf75g3cutlp54e99gk3/95714101193.pdfIn PDF document text
- https://kominove-centrum.cz/media/files/file/sakujox.pdfIn PDF document text
- http://mmprogetti.it/userfiles/files/37168016308.pdfIn PDF document text
- https://palet-school.com/files/files/26642227266.pdfIn PDF document text
- http://doingthing.com/downloads/blog/geust/files/fuxusuji.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_off0000dbac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBAC | 20172 bytes |
SHA-256: 6afa00e5240fb5099aa917f5913ba91ced377a5674f7f6cc5f22497205d6e715 |
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font_01_sfnt_off00010ea9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EA9 | 11176 bytes |
SHA-256: d019e68a6cd656defd6fd0d6e563942e5a871645a6ca06aa671c79c00e30ff54 |
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font_02_sfnt_off000128b2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128B2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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