MALICIOUS
156
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. It contains numerous links to external websites, many of which are hosted on compromised CMS upload directories, suggesting a phishing or malware distribution campaign. The presence of PDF_SEO_DISPOSABLE_LINK_FARM heuristic further supports this, indicating a link farm on disposable hosting. No scripts were extracted, but the overall structure points to a malicious document designed to redirect users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9806
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://master.plus/wp-content/plugins/super-forms/uploads/php/files/61795fcf558f1893858b50ad5ef8b803/wexez.pdf
- https://longhoang.vn/upload/files/68813011894.pdf
- https://f1com.ge/wp-content/plugins/super-forms/uploads/php/files/f701a979210f50e9b037230da7fc88a2/menoka.pdf
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/273fb346ed55968425a43d77585d3aa5/zolidesa.pdf
- http://askort.pl/Upload/file/75227086091.pdf
- http://milcontabil.com.br/wp-content/plugins/super-forms/uploads/php/files/lfpvg8eolet24ps211uikqvuj6/nelufipelozetexovimu.pdf
- http://zrdb-drogbud.pl/Upload/file/jovinux.pdf
- http://aksaaydinlatma.com/img/editor/image/file/52143957676.pdf
- http://bularz-auto.pl/images/userfiles/file/vedogazubadam.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/rn5mc2a2ftqgm61hbe9nbcj45o/56190139324.pdf
- https://pima-alarms.rs/slicice/file/19600864678.pdf
- https://www.brightfieldbusinesshub.co.uk/wp-content/plugins/super-forms/uploads/php/files/1cebus664qak3ugvo4scrgtm8i/46007171163.pdf
- https://regiefranchet.fr/userfiles/files/limadisolanow.pdf
- https://lesartsdansmonjardin.com/userfiles/file/20210527004732.pdf
- https://bleikss.com/userfiles/file/jusovelekesavodelamol.pdf
- http://dhf-china.com/d/files/vorub.pdf
- http://vyveva.eu/UserFiles/File/34124700177.pdf
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/2e81e1178ab851aac38e586156dc1b24/19186133556.pdf
- http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/ofe22c39kfbs82v58g9029lua5/85596821258.pdf
- https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083f4ef92661---94485736621.pdf
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b04039ac989---26788363428.pdf
- http://emirates-offshore.com/uploads/image/file/lidifewubitofunawoxem.pdf
- http://libertyquad72.fr/userfiles/file/47912943784.pdf
- https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/xodagojimurifafekojovo.pdf
- https://perfecthospital.org/FCKeditor/file/luvexefasaduzimezine.pdf
- http://massimobertoarchitetto.com/userfiles/files/26759775693.pdf
- https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/jquhfpmqecoj0lkpu0tpkarou6/40184704338.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=your+mission+in+commission+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_off00010d7f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D7F | 16792 bytes |
font_01_sfnt_off00012591.bin21f0f57cc1d1baf2b1db3da8d853c4cf3ed89e7e05761e534948b61d2c67b1c0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12591 | 17940 bytes |
font_02_sfnt_off00015493.bin49f180ca3c4d7e239e939826fb3c3fd3dcee443aa20b530123420c95049a7e82 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15493 | 10428 bytes |
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