MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised WordPress sites and other potentially malicious domains, suggesting it functions as a link farm to distribute further payloads or conduct phishing. The PDF structure itself is also noted as potentially compromised, with duplicate object bodies.
Machine Learning
- Nyx PDF Classifier malicious score 0.9992
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
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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.
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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.
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External URI info PDF_URIPDF contains an external URL action
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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.
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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://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160acc05a45ecb---forirag.pdf In PDF document text
- https://virtualpulse.eu/UserFiles/file/beposur.pdfIn PDF document text
- https://benchmarktransitions.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc1cf4cc9a---7354010293.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607c420a4d65a---jikusewikesi.pdfIn PDF document text
- http://duonglaohanoi.com/userfiles/file/gaditekakapavigajozekipul.pdfIn PDF document text
- https://archltginc.com/wp-content/plugins/super-forms/uploads/php/files/3e5034f93881d6e05a8efcad4dc1410d/99926339429.pdfIn PDF document text
- https://pfgmm.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608b6651b776b---gupuvuvamulumuvoduwuva.pdfIn PDF document text
- http://planbmedia.hufiles/dumuzepilidotazemudenox.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/243c53516069dac057c3aef06ebb0fb6/lixifutirumegurozuxevup.pdfIn PDF document text
- https://izharfoster.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbf729a8fda---gejelewatinudibisume.pdfIn PDF document text
- https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/1607034c0e0cca---nuzenefujigukituperi.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5ec958e291---23257542929.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b979d637226---57942500380.pdfIn PDF document text
- http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/16086c3d7bbc3c---19261524289.pdfIn PDF document text
- https://formapolis.it/wp-content/plugins/super-forms/uploads/php/files/88c416e5508533e37c560f06e7e8a141/podowowijapux.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=all+favorite+is+here+vidmatePDF 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_off0000df76.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDF76 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f788.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF788 | 16320 bytes |
SHA-256: 1201aac5c58fd32363f73cd5a7af31a732bce386f07d6923214acc7c303d673b |
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font_02_sfnt_off00012199.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12199 | 10564 bytes |
SHA-256: fad4a664419eac6cdf96c3eb303118f7028bf30158ac42b07d9b1dfe226f14b6 |
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