MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by multiple engines, including ClamAV and an ML classifier. It contains numerous embedded URLs that form a link farm, with several pointing to compromised WordPress sites or disposable hosting. The presence of these links suggests an attempt to redirect users to malicious content, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9073
Heuristics 6
-
ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
-
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
-
PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
-
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://chcial.ru/uplcv?utm_term=developer+options+force+4x+msaa
- http://www.supair-lux.hu/ckfinder/userfiles/files/vubulebat.pdf
- http://zeshengtecphar.com/UploadFiles/FCKeditor/20210910020835.pdf
- http://dulichtantai.com/files/uploaded/files/61449671191.pdf
- http://cancunday.com/travela/img/files/terarorogafo.pdf
- https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/7e12fd86b3374d22e7b9a0973c867f84/lolepifosu.pdf
- http://toroisg.com/public/images/files/56600921601.pdf
- http://harmonie-avion.fr/actualite/files/dokojaxezapi.pdf
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/wovufozubufako.pdf
- http://goldenmallbiotech.com/upload/files/fivodixofo.pdf
- https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/56rqjkvst5bbqsom4it4q194p4/jikifobaten.pdf
- https://inprovitparaguay.com/ckfinder/userfiles/files/80827458449.pdf
- http://gespk.com/userfiles/file/8146281846.pdf
- http://upoart.com/ckfinder/userfiles/files/sanopa.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614102fa30e00---tuvinuruxofejuz.pdf
- https://www.solucionaesp.com/ckfinder/userfiles/files/6841756922.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/e63e146169473f0320eac9ac5fd2af6c/ritob.pdf
- http://mirsistem.com/depo/sayfaresim/file/53663290022.pdf
- http://tpokebar.com/uploads/files/posepugu.pdf
- https://cualuoihoanmy.com/uploads/userfiles/file/25874391138.pdf
- http://zmz72.ru/files/file/41683663859.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f5b3379f0e---bujapavakebaz.pdf
- https://digireg.dk/upload/74906134975.pdf
- http://fsgpj.com/upfolder/e/files/20210907055610.pdf
- http://salamino.pl/userfiles/file/fesanigada.pdf
- http://zs.tom.ru/jsplugins/ckfinder/userfiles/files/jawenuju.pdf
- 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_off0000e894.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE894 | 16792 bytes |
font_01_sfnt_off000100ab.bina36f35327adceb4509ce052c279ba60b4a35afb8580f26589ef1e4355f5e62cc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100AB | 10888 bytes |
font_02_sfnt_off000119eb.bin87cffd414710570e3c1b31c3775c3e6ed07e42682e63eba84f9851d3a390a4d1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x119EB | 17884 bytes |
Open this report in the interactive analyzer, or submit your own file for analysis.