MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains an embedded JavaScript stream and a large number of external URIs, many of which point to potentially compromised or disposable hosting. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest a link farm or SEO poisoning attack. The embedded JavaScript likely facilitates the redirection to these malicious links, contributing to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://nasledie-sluck.by/var/upload/file/kugogiguvur.pdf In PDF document text
- http://tsnpharma.com/upload/files/parabeninafijuwadetibukar.pdfIn PDF document text
- https://futuresbuilder.net/dayafter/uploadimages/newsimages/file/silijewupebawelitito.pdfIn PDF document text
- https://szabolcsipeter.com/userfiles/file/15005477799.pdfIn PDF document text
- http://baove24h.info/upload/files/balubukabinafed.pdfIn PDF document text
- http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a5dbc31f08---9237899426.pdfIn PDF document text
- http://wacommerce.net/home/integrity/public_html/ckfinder/userfiles/files/25244547805.pdfIn PDF document text
- http://everbeenmagnet.com/js/upfiles/files/dawasaxomojexite.pdfIn PDF document text
- http://karaokejdi.com/ckfinder/core/connector/php/upload/files/47441662395.pdfIn PDF document text
- http://faisaltowel.com/survey/userfiles/files/nofemuligimapidororim.pdfIn PDF document text
- http://snailgame.ru/upload/files/20210914101521.pdfIn PDF document text
- http://saluteebenesseresas.it/userfiles/files/39653771402.pdfIn PDF document text
- http://back2wood.de/userfiles/file/pewav.pdfIn PDF document text
- https://nyirfa.hu/uploads/files/fizekodesijafewoxe.pdfIn PDF document text
- https://theelementrama9.com/userfiles/files/zutaluzufovojigud.pdfIn PDF document text
- http://esrafisek.com/images_upload/files/lowelotubusawigujelulos.pdfIn PDF document text
- https://tanthueviet.vn/img_data/files/topifavunuzekotumaw.pdfIn PDF document text
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/16138324c90c0a---medipiv.pdfIn PDF document text
- https://leonardscopysystems.com/home/leonards/public_html/ckfinder/userfiles/files/zetoxakimarenofitajaxov.pdfIn PDF document text
- https://glaskunstcentrum.nl/images/file/99362993063.pdfIn PDF document text
- http://tensoinox.com/userfiles/files/85581590922.pdfIn PDF document text
- http://fujavietnam.com/images/Download/22666871443.pdfIn PDF document text
- http://agro-pasz.pl/ckfinder/userfiles/files/20313597748.pdfIn PDF document text
- https://www.hdcorp.com.br/wp-content/plugins/super-forms/uploads/php/files/7nteaeh6742seacmvf52k77cc5/gisesodijagefew.pdfIn PDF document text
- https://akproauto.net/nbloom/fckuploads/file/bokuwaxebuduvevoze.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=watch+quiet+place+2+full+movie+freePDF 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_off0000c247.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC247 | 17164 bytes |
SHA-256: 8fc235af1cdb7bc725024b2460e055acc89ef5d37b87fa7ba013d39c969dd13e |
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font_01_sfnt_off0000eec8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEEC8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000106df.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x106DF | 10896 bytes |
SHA-256: 762230fc80cf2ce09f6c512cd1caaaea500f4b4731c8542a6bda257b4d0972e6 |
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