MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF document was flagged by ML classifiers and ClamAV as malicious, exhibiting characteristics of a phishing or trojan delivery mechanism. It contains multiple links pointing to compromised WordPress upload directories, suggesting it's part of a link farm designed to host and distribute malicious files. The presence of a 'password-protected archive lure' heuristic indicates the document likely instructs the user to obtain a password to decrypt a subsequent payload, a common tactic to bypass security filters.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LUREDocument gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613882a5040f7---vogewakukajoveki.pdf
- http://brno-skoleniridicu.cz/ckfinder/userfiles/files/79506886875.pdf
- https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd782a8643---85440438729.pdf
- https://nbretail.com.vn/ckfinder/userfiles/files/naxofiluv.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-9-2/20210902060425989596.pdf
- http://ammk.sk/userfiles/file/51442776114.pdf
- https://lotte-ppta.net/beta/assets/file/36621117704.pdf
- https://anmoul.com/userfiles/file/25338546582.pdf
- http://mp-hd.de/data/aktualnosci_imgs/file/60066941966.pdf
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cd60fe58a6---pedowijesarigibowasudog.pdf
- http://www.corazondelsol.es/ckfinder/userfiles/files/5320010782.pdf
- https://digireg.ch/upload/65216011363.pdf
- https://cowik.pl/upload/gudiborovilumerukogo.pdf
- http://klick-tipp.info/ckfinder/userfiles/publics/files/dewejijuxulotanogidalej.pdf
- https://pro-biomed.com/admin/userfiles/file/pudowefejeredu.pdf
- http://www.rannatennis.ee/data/upfiles/files/jefibifefuwixesavoj.pdf
- http://cgl.lu/userfiles/files/67085125129.pdf
- http://krukaiart.com/userfiles/files/1899379732.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd60b4ec0c---ritazikomo.pdf
- https://cplastik.cz/data/cms/file/matesolitefasibetadu.pdf
- https://mimpishio1bet.com/contents/files/torokedanesopabokep.pdf
- http://coutleelaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/raranubofawanezizitev.pdf
- http://palirna-frydek.cz/uploaded/file/nanumaligarigukolazutedi.pdf
- http://trungtinjsc.vn/upload/FCK/file/rutanapubexane.pdf
- http://ultrabeauty-ff.ru/userfiles/file/ruxituju.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=bhoot+the+haunted+ship+full+movie+download
- 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_off0000dda1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDA1 | 16792 bytes |
font_01_sfnt_off0000f5b8.binaefb55efac693e92d89727f25ef999c772c29f6feb55fa5ae19ecee687373a94 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF5B8 | 10968 bytes |
font_02_sfnt_off00010f09.binf43e819dfae14254884dc9cd1edff7774e868bb654c5a5aca1d6c6b287f3ca33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10F09 | 17236 bytes |
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