MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs that point to compromised WordPress sites and disposable hosting, suggesting it functions as a link farm to distribute malicious content or phish for credentials. The presence of embedded URLs and the nature of the heuristics indicate a likely attempt to redirect users to malicious sites, potentially for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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=transformer+coupled+class+b+push+pull+amplifier PDF link annotation
- http://nuuts.mn/uploads/assets/lekusuzojaxuz.pdfIn PDF document text
- http://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eb7e783874---69881840341.pdfIn PDF document text
- http://nhatrangpalace.vn/app/webroot/upload/files/todekugagazeromiloduzifis.pdfIn PDF document text
- http://sithome.com/upfiles/file/20210906042232.pdfIn PDF document text
- https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/c2abebea24fb2092ac9e9af62b80a618/pakixanufilixer.pdfIn PDF document text
- https://audit-advisers.com/userfiles/file/filaja.pdfIn PDF document text
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/9a89671da8914b76fd0e2d7cf0617985/lowakejasezugug.pdfIn PDF document text
- http://sumosushingrill.com/uploads/files/19406200429.pdfIn PDF document text
- http://metisentry.net/ckfinder/userfiles/files/8756425808.pdfIn PDF document text
- http://caopump.com/admin/userfiles/file/wokukibiwine.pdfIn PDF document text
- http://salukool.ee/upload/userfiles/file/paveti.pdfIn PDF document text
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/0b7ca603a21de09daa5996d7b1f05a58/paguwike.pdfIn PDF document text
- http://chanhbon.vn/media/ftp/file/38720429995.pdfIn PDF document text
- http://iuoooo.com/filespath/files/20210906060150.pdfIn PDF document text
- https://floridainvestment.cz/files/file/gikeg.pdfIn PDF document text
- https://npkfertilizerproduction.com/d/files/32004095715.pdfIn PDF document text
- https://carparts-fixture.com/file/file/sivavetijozoxariwof.pdfIn PDF document text
- https://cfbadalona.net/ckdata/files/28066178515.pdfIn PDF document text
- http://xn--3bsx3iw22bmot.com/filespath/files/20210912205352.pdfIn PDF document text
- http://dintainoodle.com/uploads/files/95440424474.pdfIn PDF document text
- https://puntodeplacer.com/userfiles/file/refamaf.pdfIn PDF document text
- https://copperscraphandlers.com/ckfinder/userfiles/files/rifodufufuvezadokukamow.pdfIn PDF document text
- http://irodori.kir.jp/files/file/lakufup.pdfIn PDF document text
- 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_off0000bca1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBCA1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_01_sfnt_off0000d4b8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4B8 | 10988 bytes |
SHA-256: ef5350694d325a8f8f4a4dd7333250f8521f71ad2dc6dd6c0d5def2bb81067c5 |
|||
font_02_sfnt_off0000edb6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDB6 | 16496 bytes |
SHA-256: 9e9db77be59bb8951c267442897440ae77103ca10340e076ff0d1b6e3292dcab |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.