MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to lure users to external sites. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery. The presence of a link farm and the nature of the URLs suggest an attempt to trick users into downloading further malicious content or divulging sensitive information.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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
-
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 http://tygodnikzuzlowy.pl/ckfinder/userfiles/files/jekigiginibudirutoxajop.pdf In PDF document text
- http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b84453ef84---kadetodifeb.pdfIn PDF document text
- http://parateam.cz/file/jowozilog.pdfIn PDF document text
- http://etyekilovarda.hu/userfiles/file/punatidusukasekotaru.pdfIn PDF document text
- http://oppedisanorobertosrl.com/userfiles/files/zukabazazomiwokonunajifut.pdfIn PDF document text
- https://vinocastillo.hu/editor_up/99608645294.pdfIn PDF document text
- https://granitnet.hu/editor_up/laneloz.pdfIn PDF document text
- https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/16148c34e5cc8a---vilulenezuborozofozojidi.pdfIn PDF document text
- http://dlastudenta.org/Upload/file/15009448931.pdfIn PDF document text
- http://tentimesneedlehill.com/UPFILE/userfiles/files/merigu.pdfIn PDF document text
- https://www.blondel-bois.fr/ckfinder/userfiles/files/24065087736.pdfIn PDF document text
- https://immsac.pe/sgi_userfiles/userfiles/files/85912380675.pdfIn PDF document text
- http://houstontca.org/Content/uploads/files/takabepokalebeletofimova.pdfIn PDF document text
- http://zima.italie-ubytovani.cz/data/file/morolovoder.pdfIn PDF document text
- https://koltoztetes-szallitas-lomtalanitas.excore.hu/ckfinder/userfiles/files/nenojexugetufita.pdfIn PDF document text
- http://fu-xin.tw/uploads/files/202109231300237931.pdfIn PDF document text
- https://anhhuynoithat.com/asset/files/46919689130.pdfIn PDF document text
- http://digitalpolicycouncil.org/imagenes/file/ruvek.pdfIn PDF document text
- https://mlspoland.co/files/file/57123314007.pdfIn PDF document text
- https://mbzgogo.xyz/web/img/podborky/files/lawavaf.pdfIn PDF document text
- https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/3a259331bb77a93a5b597a3dba260bb7/tuzomiwinupewuxivipuvup.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613212a82d5dc---24583690663.pdfIn PDF document text
- http://clair-environnement.eu/catalogue_dynamique/file/pezavebesepujedejixel.pdfIn PDF document text
- http://geteffective.biz/uploadfiles/file/fepoje.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/fzgW7-mxBc0/uplcv?utm_term=express+vpn+apk+full+premium+2021PDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000af0b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF0B | 15240 bytes |
SHA-256: 9cf710661abcde19140b459751b6bf19df4b395affe8ea0c33414d5e52cc3a57 |
|||
font_01_sfnt_off0000d533.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD533 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off0000ed4a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED4A | 10940 bytes |
SHA-256: 856c92f3ee80824c46b97889d1bb0ee9a85f27861468fcd50ba1bde9c08305bb |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.