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 pointing to compromised CMS uploads and disposable hosting, indicating a link farm designed for phishing or malware distribution. The ML classifier and ClamAV detection strongly suggest malicious intent, likely related to phishing or delivering a secondary payload.
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 https://songhong.info/userfiles/file/zefin.pdf In PDF document text
- https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099acf94e2ba---bosum.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/16127e4568985b---35060703985.pdfIn PDF document text
- https://dezsredstvompx.ru/wp-content/plugins/super-forms/uploads/php/files/6317f8207a9df63d24df65d3a9b128e4/xosalefagutuxov.pdfIn PDF document text
- http://joeun-it.com/userData/board/file/favobe.pdfIn PDF document text
- http://mywymc.com/userfiles/file/20725300001.pdfIn PDF document text
- http://entryexpress.online/chapter_images/files/86230096179.pdfIn PDF document text
- http://covinahigh1980.com/clients/1/14/147ee80f0cf2e08ca1b5067d21485a43/File/88917147732.pdfIn PDF document text
- http://www.ausafrica.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160757d0377e5d---lupasenotexed.pdfIn PDF document text
- https://happycolaborativo.com/uploads/files/sogisanom.pdfIn PDF document text
- http://thrifty-uy.com/files/others/84760735048.pdfIn PDF document text
- https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/b03df7bbf7f087490b97fcad99746e94/sobupix.pdfIn PDF document text
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/ddb047bf7273b12794db44213deaa3a9/wevazuj.pdfIn PDF document text
- https://cambodiadriverservice.com/userfiles/file/gunupo.pdfIn PDF document text
- http://unionnutritech.com/upload/files/35364745205.pdfIn PDF document text
- http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d9c07abdac---judipupibewivaxamif.pdfIn PDF document text
- https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/954cd64967aee77881016b919104b1a4/fezejebedefixekuvi.pdfIn PDF document text
- https://mamo-tato.ro/userfiles/file/11532102797.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=cara+membaca+multimeter+analog+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_off0000b090.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB090 | 11064 bytes |
SHA-256: 0c4796c1f5b34b014649b7732f92bf5209608cf4fa74035916805e87bc8ab628 |
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font_01_sfnt_off0000c9db.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC9DB | 14380 bytes |
SHA-256: 6c6eaa38eaa27e18ab4e47aceb4b7e06811d694963af13f6bd3341ed3da6dc1b |
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font_02_sfnt_off0000edad.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDAD | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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