MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs pointing to compromised or disposable hosting domains, a common tactic for phishing or distributing malicious payloads. Heuristics indicate this is a link farm designed to obscure the final destination. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
-
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.
-
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.
-
External URI info PDF_URIPDF contains an external URL action
-
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.
-
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://laborke.ru/uplcv?utm_term=multivariable+function+pdf
- http://mskabel.cz/UserFiles/File/murikininazef.pdf
- http://www.almansori-ye.com/almansorifiles/files/lexesegiporibivok.pdf
- http://dataction.org/demo/dataction/media/favobumavafexasopolamezu.pdf
- https://cplastik.cz/data/cms/file/zikazivijejotapawube.pdf
- http://solar-makernavi.com/ckfinder/userfiles/files/64519587529.pdf
- http://splogservice.ru/content/file/vajevav.pdf
- http://musicpark-live.de/userfiles/file/dopovirogux.pdf
- http://montpellier-business-plan.eu/mbp/upload/images/images/upload/ckfinder/fudabigubinaruzulek.pdf
- http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16131b1c688124---jimegevugebutisimuguje.pdf
- https://kingwaterpure.com/ckfinder/userfiles/files/10250731424.pdf
- http://jrecchina.com/ckeditor/ckfinder/userfiles/files/najunetitu.pdf
- http://sibzakon.ru/ckfinder/userfiles/files/87773444513.pdf
- https://www.cfo-search.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131b6ebc80cf---loxogeverug.pdf
- https://christianbelieversmatrimony.com/web/christiansbelieversmatrimony/photos/ckeditor/files/65486093072.pdf
- http://sunil.kr/uploadfile/fckeditor/file/83430491763.pdf
- https://mountainbrookbuilders.com/home/mountain/public_html/ckfinder/userfiles/files/fivapilukesesuj.pdf
- https://asi-filter.pl/files/file/36076147163.pdf
- http://restavratorstvo.com/ckfinder/userfiles/files/dipijufelavax.pdf
- http://studiogallerani.it/userfiles/files/lerewevidojajafemev.pdf
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/9d5b0707b0cd11f3adc17f3d47817eb4/wosekigun.pdf
- http://tubietelbar.hu/uploadfile/53571587719.pdf
- https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/a3752c44cc85158d9f4198703afc4569/dokavixegujuliru.pdf
- https://gplacestracker.com/userfiles/file/91068465176.pdf
- http://louisiana-arts.org.s150269.gridserver.com/siteuploads/editorimg/file/88863507588.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_off0000b476.bin8ccd5b8665d727221cd9f8a4148e80551c7fc8dfca1ea7b817485a6436793adf |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB476 | 17160 bytes |
font_01_sfnt_off0000e089.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE089 | 16792 bytes |
font_02_sfnt_off0000f8a0.binaeb87c28fb67ea57b37d8f068d7b164214c8aafa76166279f03629d3f6da2188 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A0 | 10744 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.