MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous embedded URLs, many of which point to potentially compromised or disposable hosting sites, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. The presence of a link to a compromised WordPress upload directory further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://palcev.ru/userfiles/file/15429633816.pdf In PDF document text
- https://www.aaptuk.org/ckfinder/userfiles/files/33241428032.pdfIn PDF document text
- http://j1medical.com/uploaded/file/37599870768.pdfIn PDF document text
- http://tsrmvolontari.it/userfiles/files/takenawokefuvijuja.pdfIn PDF document text
- https://consurs.ro/ckfinder/userfiles/files/88296508521.pdfIn PDF document text
- https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/lomukoxojalifotilojijulob.pdfIn PDF document text
- http://daiichihr.com/uploads/news_file/83161900624.pdfIn PDF document text
- https://szamitogep-szerviz-javitas.hu/ckfinder/userfiles/files/44169536557.pdfIn PDF document text
- http://guchen.ru/d/files/84882730475.pdfIn PDF document text
- http://duetsepolno.pl/userfiles/file/93135973578.pdfIn PDF document text
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16145c67a5f053---14769809064.pdfIn PDF document text
- http://ottomaniantextile.com/userfiles/file/fegomume.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613318a68f322---fijiweg.pdfIn PDF document text
- http://songhakbbq.com/uploads/files/73246825162.pdfIn PDF document text
- http://relaxzenter.com/uploads/files/pinurebowiw.pdfIn PDF document text
- https://www.d-table.com/wp-content/plugins/super-forms/uploads/php/files/f1cce7451a57e0bc7fc3db1c79f8bc9f/xinonavivakojaloxesipor.pdfIn PDF document text
- http://www.cpnatacao.pt/backoffice/ckfinder/userfiles/files/15044642679.pdfIn PDF document text
- https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/fosipatalukujezakavovaxo.pdfIn PDF document text
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/6e6da2693470f756657cdf973a42cb1e/sirapajosewovidipesanus.pdfIn PDF document text
- http://sk4education.com/ckfinder/userfiles/files/ravoredowutobuzobipefef.pdfIn PDF document text
- https://weboonline.com/ckfinder/userfiles/files/zutowidif.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=doctrine+and+covenants+seminary+teacher+manual+pdfPDF 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_off0000cf50.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCF50 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_01_sfnt_off0000e762.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE762 | 18516 bytes |
SHA-256: d39074ecd57efae33a5c580ecaa232cc092811a9b60cd9809df9c9386d466eb7 |
|||
font_02_sfnt_off00011733.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11733 | 11164 bytes |
SHA-256: 042c868969750cf3086259edfd63b9201fbd3a3919adbff306372537bdff4d4a |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.