MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The file contains numerous external URIs and links to compromised WordPress upload storage, indicating it functions as a link farm. These links likely lead to phishing pages or further malware downloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://wastran.ru/uplcv?utm_term=athlean+ab+workout
- http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/6hn5bqqcc2v3vpthrtidckqh47/waluzoxijenijosevijokamum.pdf
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b5e2a17fb73---mupanipaxa.pdf
- http://changwontour.kr/FileData/ckfinder/files/20210616_8389264086031929.pdf
- http://tillmanfamilyreunion.com/clients/b/b7/b7385abc5988d1ee605fea7695e3d00e/File/gavodewerukugepudezataka.pdf
- http://bjoybrands.com/wp-content/plugins/formcraft/file-upload/server/content/files/160855a47274ee---99755576625.pdf
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a166bfeb1d2---46284153041.pdf
- http://www.rec39.ru/wp-content/plugins/super-forms/uploads/php/files/f64aadb6bf357a2b59bd17b8a648b6a7/nujasuwojujagogozilubet.pdf
- http://alpha-cp.com/userfiles/file/vojototezoven.pdf
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01b4317e84---fivijewemomedewu.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/1f4e78d3333d47e03593292287f6d365/nebujodivivagi.pdf
- http://akkoryazilim.com/userfiles/file/88489030203.pdf
- http://citra.cl/userfiles/file/42248246212.pdf
- http://ahcxdq.com/uploads/file/011010384649.pdf
- http://timebank.ru/sites/default/files/photos/pagefile/rudetajiritadag.pdf
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/pimajumojuxoxar.pdf
- https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096cedaeb635---26751022150.pdf
- http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/16084170d5813e---92350303796.pdf
- https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/dfdefv6o39v4bqmtssd9hppbg0/72211030866.pdf
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/6c3c9e7b9d8ce1ff376f9738aeb64bf5/zuxupanisosiwuletoxa.pdf
- http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c342b27f739---91943436142.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/47t2aaa2pn5q7nhmevhs7i36c4/99426086229.pdf
- http://feach.ie/images/uploads/file/2075467162.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000f030.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF030 | 16792 bytes |
font_01_sfnt_off00010842.bin1c454eeb4c992c0612299e5910d7fe013c4c81fbb094b0123d3544cc10cc693c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10842 | 17556 bytes |
font_02_sfnt_off00013670.bin88253118cb80d3c4f41c5a82b4c8c93eb27743231768cf100cc65ba635f076ee |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13670 | 10344 bytes |
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