MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous embedded URLs pointing to compromised WordPress sites, many of which host other PDF files. This structure suggests a link farm designed to distribute malicious content or facilitate phishing. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
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://inwebjor.ru/uplcv?utm_term=ashrae+handbook+hvac+systems+and+equipment+2008+pdf PDF link annotation
- https://petroblend.com/wp-content/plugins/formcraft/file-upload/server/content/files/161037afa4c394---wojamovubul.pdfIn PDF document text
- http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160737260565b8---34791169304.pdfIn PDF document text
- http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/noregeporixawa.pdfIn PDF document text
- https://1000families.eu/userfiles/file/sizaw.pdfIn PDF document text
- http://sushiosushi.com/uploads/files/tiduxam.pdfIn PDF document text
- http://ajmason.com/admin/ckfinder/userfiles/files/suwoxigumafebivoseduz.pdfIn PDF document text
- http://drinkandshrink.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085ba3e89383---jugikazoxesonudi.pdfIn PDF document text
- https://anukulagrotech.com/userfiles/file/galawonafefagan.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/804c75922bc8ab1d73cb9ba3666abcbd/famepowozatupepusowele.pdfIn PDF document text
- https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/19098685d3a6a433b9f58911b370b544/lazisokap.pdfIn PDF document text
- https://directprocessors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137459346e3f---37880169602.pdfIn PDF document text
- https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b7cec1d954---30521912720.pdfIn PDF document text
- https://dondepodemosir.com/userfiles/file/37375242247.pdfIn PDF document text
- http://associazionemillesogni.it/userfiles/files/buzewuwuwenifopazu.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b143940bf21---17137864417.pdfIn PDF document text
- http://www.39koratmachinery.com/file_upload/files/84352120960.pdfIn PDF document text
- http://wxmx.cn/upload/ckimg/files/202108280622006137.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/af5844fdd6d59ccf5df572aa0fd1aeca/kejajogipaxekixabuju.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_off0000cbcb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBCB | 11928 bytes |
SHA-256: 40ac585dc5bfe54038d7c3da421774061d55e216d148f842d2697f864ecd6a14 |
|||
font_01_sfnt_off0000e7f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7F0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
|||
font_02_sfnt_off00010002.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10002 | 17260 bytes |
SHA-256: d62a17f9d135a06b7cfa458d41ae1839b56adb57db0543429e67d9f179ffa31d |
|||
Open this report in the interactive analyzer, or submit your own file for analysis.