MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The heuristics reveal it functions as a link farm, directing users to compromised WordPress sites, likely to download a password-protected archive. This suggests a phishing or social engineering attack aiming to deliver a secondary payload, potentially malware, under the guise of legitimate content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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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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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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://chaplains-camps.org/upload_picture/file/63587585473.pdf
- http://solemarservizi.it/userfiles/files/43668195875.pdf
- https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a9bbebb166b---69458799447.pdf
- http://jezirka-biobazeny.cz/UserFiles/File/vuzaranoletumum.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16094a6491c775---68395137235.pdf
- https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/9eed1c9bf70d25b0b192f788022a803e/92413839888.pdf
- https://ballestermultiservicios.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608992986892e---49982414368.pdf
- http://wypelnienia.kratex.pl/wp-content/plugins/super-forms/uploads/php/files/ed8a29265aeca4481670c23d2b5659d3/2904021238.pdf
- https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/f4f6824da75374826d308f564a627083/63336983009.pdf
- https://deconkhoemanh.com/wp-content/plugins/super-forms/uploads/php/files/n949iep2p720ibt1d682p98iud/sefuvowakomibekipi.pdf
- http://poetryforthespirit.com/clients/872464/File/84213409891.pdf
- http://fszhenjia.com/upfolder/e/files/20210817012831.pdf
- http://asiancfea.org/userfiles/file/turoze.pdf
- https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/6vhe20m0rnp45fbo5l3k280nt7/58434534085.pdf
- https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/07ldd2ajga9390h6kb9pntquf7/dapazawibova.pdf
- http://yonezawanet.jp/units/24250/zcycom/files/dulujitesodozotepi.pdf
- https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d3b083df24---68999296262.pdf
- http://onishi-kyosendo.jp/archive/miwelojafibabaxix.pdf
- http://nowyhotelik.pl/userfiles/file/74146172556.pdf
- https://nutricount.cz/UserFiles/File/pinomulunevoxum.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=paginas+para+descargar+libros+de+medicina+veterinaria+gratis+en+pdf
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7263d95930---69236263599.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- 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_off0000ea2b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2B | 16792 bytes |
font_01_sfnt_off00010242.binc27046fe59931f6a0a84d7496d1ac5f3327045cdfef5e0b06d855567f7902244 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10242 | 11172 bytes |
font_02_sfnt_off00011bf2.binae99e6742d17ef36d04e337edceb0f4303717724bafdfcd023e68e67ae60a61b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BF2 | 19908 bytes |
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