MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It functions as a link farm, with numerous URLs pointing to external websites, some of which are hosted on compromised CMS upload directories. This suggests a phishing or malware distribution scheme, where users are lured to malicious sites via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 6
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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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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://wastran.ru/uplcv?utm_term=amniocentesis+results+positive
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/ms2nl9ks57cria4kirgqspe852/pomotixamexapevo.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d02e014a0b5---12107458665.pdf
- https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d0a893b3a4---98671459726.pdf
- http://driver-jazda.pl/upload/file/paziriberoxel.pdf
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609a7d6590fdb---67086678763.pdf
- http://360mart.net/uploads/files/mujudipagopelinetupo.pdf
- https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/272450475dce2639e5e6cf64dc9c7b53/wesipawogaditabeganenifak.pdf
- https://www.ayersworthglen.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082d3fbc323c---memitis.pdf
- https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/4175f6a7227c9d43bff7a79dea30ac88/jofovulaserefo.pdf
- http://elencostruzioni.it/userfiles/files/puxobazodowisoxigiwin.pdf
- http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16075f4912611a---67488050538.pdf
- http://hwayinn.com/image/files/20210603_030606.pdf
- https://www.zulilighting.com/wp-content/plugins/super-forms/uploads/php/files/b45bd2372fa0c50843df65c04a3b5878/wavufazadub.pdf
- http://klpa.net/userData/board/file/jawuv.pdf
- https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/160744a8237d48---6764283495.pdf
- http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e2665c07d7---81231203054.pdf
- http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2116dd9f5f---63035117708.pdf
- https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/e9r41l6rt1k57hdue79pcd9rv3/zewitow.pdf
- http://bridgesonthepark.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079883d3a211---44138051480.pdf
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/aa151b079574ca8e944d150eefccf1bb/90151884421.pdf
- http://murielbellhomes.com/userfiles/files/duratobikifekivubinapa.pdf
- http://sorokolaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/62345571495.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_off0000c281.bin9a7fffaba1be3289b8cd9aff375e2404d63ac7778d106edfd21ea2d30f4dfdaa |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC281 | 10520 bytes |
font_01_sfnt_off0000da76.bin75012e0b74f5591b0d281fd8909dd7c5ce0038d539c8251ef04755474c0a1035 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA76 | 15876 bytes |
font_02_sfnt_off00010399.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10399 | 16792 bytes |
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