MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS upload storage or disposable hosting, indicating a link farm designed to redirect users. The embedded JavaScript likely facilitates the redirection or further malicious activity. ClamAV detection as Pdf.Phishing.Trojan further supports its malicious nature.
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 https://ketchas.ru/uplcv?utm_term=123+bollywood+movies+2020
- http://kevinmcallisterlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zunobor.pdf
- http://congtyvima.com/images/Download/sogatavepozomox.pdf
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16134e938ab411---jonuxumeratubekasowisiko.pdf
- http://sun-marche.com/app/webroot/js/ckfinder/userfiles/files/dututazexagaso.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613fccd9ac0f2---16396937590.pdf
- http://thegioioto.store/upload/files/98009558889.pdf
- http://snnet.kr/board_pds/fckeditor/2021/09/file/42192141427.pdf
- https://giriconsultancy.com/content_files/files/53062344868.pdf
- http://mini-garden.ru/userfiles/file/10849257199.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303c209b4d1---55630763320.pdf
- http://lamexmarket.com/uploads/files/kaxepuwasipozanidobam.pdf
- http://recviem.ru/img/upload/40132781518.pdf
- https://hijaustabilo.com/contents/files/3876647614.pdf
- https://simbhaolipower.com/images/file/jowinopa.pdf
- http://www.rannatennis.ee/data/upfiles/files/94292725005.pdf
- https://loyd.rs/images/file/kozeroninik.pdf
- https://hrmconsulting.biz/upload/files/61441971280.pdf
- http://nwatchonline.org/userfiles/file/9721744687.pdf
- http://cicm2015.mist.ac.bd/app/webroot/ckfinder/userfiles/files/28284661633.pdf
- http://aromata.ru/upload/files/wowedepovagetilugos.pdf
- http://hennel.hu/sources/elemek/file/fisejobotopurizaxexen.pdf
- https://grdr.org/paidel/ckfinder/userfiles/files/sonaturiwokakaduzujozen.pdf
- http://burattinojatek.hu/userfiles/file/45894167126.pdf
- http://neza.cz/UserFiles/File/68591356866.pdf
- https://alstar.uz/images/shared/file/somawa.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_off0001639d.bin3d55148ead858eba4564b207a9f12420d6da04d7e8a1ebb414d26a24f1429b73 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1639D | 10720 bytes |
font_01_sfnt_off00017c53.bin0a2723c494b50eeb2ca6d902f25395b3278b1daf1d7c1129ee5e2d9fd33fdcc7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x17C53 | 18724 bytes |
font_02_sfnt_off0001ad31.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1AD31 | 16792 bytes |
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