MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier strongly indicated maliciousness, and several heuristics identified the PDF as a link farm pointing to various domains, some of which are associated with compromised CMS uploads or disposable hosting. The document body is heavily obfuscated and unreadable, suggesting it serves as a container for these malicious links rather than user-facing content. The primary goal appears to be directing users to external, potentially malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
Heuristics 5
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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://veterina-hrib.cz/user-uploads/files/51298122577.pdf In PDF document text
- http://salon-urody-bellis.pl/images/file/xaxodolosabavevowu.pdfIn PDF document text
- https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/1b3fe72038751a373b1fb2ebca72cd26/manafulobuxukotomo.pdfIn PDF document text
- http://quesnelbusinessnetwork.ca/userfiles/file/malevupexexezotire.pdfIn PDF document text
- https://bulendengin.com/upload/ckfinder/files/58166139950.pdfIn PDF document text
- https://sandipkumardutta.com/ckfinder/userfiles/files/gawipepuzojifo.pdfIn PDF document text
- http://pscworld.eu/ckfinder/userfiles/files/25268555596.pdfIn PDF document text
- http://lsneotek.com/ckupload/files/3987142859.pdfIn PDF document text
- https://loyalangkorapartment.com/userfiles/file/31158470680.pdfIn PDF document text
- http://krukewittfarms.com/userfiles/file/rirawarizupesatife.pdfIn PDF document text
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16132bc418f6d4---66288884380.pdfIn PDF document text
- http://health-bridge.in/upload/file/32952487252.pdfIn PDF document text
- http://abw10thstreetne.com/uploads/files/xizonifolik.pdfIn PDF document text
- http://tribo.kz/userfiles/File/8790124533.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/06949c873e6db5cedff3b5d7fb6b6ca0/resuxitafix.pdfIn PDF document text
- http://kimwendelldesign.com/ckfinder/userfiles/files/luvegamujazilazofisafebem.pdfIn PDF document text
- http://konstruktor33.ru/app/webroot/files/files/lasazavuboromolojajata.pdfIn PDF document text
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16136abe23a574---60433908912.pdfIn PDF document text
- https://portalkucharski.pl/app/webroot/media/files/kopewatozeziwabekas.pdfIn PDF document text
- http://technocom.pl/editor/file/tuxir.pdfIn PDF document text
- https://nirkongrp.com/ckfinder/userfiles/files/benume.pdfIn PDF document text
- http://tahyuh.com/uploads/files/202109010626262801.pdfIn PDF document text
- https://jeneifogaszat.hu/cikkdata/files/dalotarapamumor.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=army+men+rts+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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b4ea.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB4EA | 15848 bytes |
SHA-256: e25a6a7d7c7e91bae537d8a5e12a0808eb4e159ae596e203bc795858e37d7dd8 |
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font_01_sfnt_off0000dd70.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD70 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000f587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF587 | 10340 bytes |
SHA-256: 3c0879578fdfd074263e7472a13a149c8a2dde53376eea3bba11026455ec89f3 |
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