MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous links pointing to various domains, many of which are hosted on disposable or compromised CMS platforms, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or distributing further malware. The presence of multiple PDF_SEO_DISPOSABLE_LINK_FARM and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics reinforces this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9905
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://wujipacking.tw/upload/files/wexirimux.pdf
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/jkbqj35mp9q639c1vo1eoga7m7/fuzutadawonowapow.pdf
- http://bayernglobal.de/userVZ/file/52127109437.pdf
- https://sangolongphuong.vn/longphuong/news/files/wenalironefuresaxumewu.pdf
- http://muacuoi.vn/Pictures/files/jagonupeve.pdf
- http://exhibitionchannel.com/upload/sajitirineramelinizeb.pdf
- https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/zogupoxezoku.pdf
- http://onfireinteriors.com/userfiles/26626933898.pdf
- https://everestart.com/images/stories/file/42811220430.pdf
- http://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/2ofmvuj08k9udq64ji6sm6gfn0/34849147114.pdf
- http://asupuro.com/user_data/image/file/muferetebebawipewibibe.pdf
- https://clinicscrm.com/img/files/gikiveba.pdf
- http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c29030a369---19483970347.pdf
- http://studiosiriosrl.it/userfiles/files/254582592.pdf
- https://pemaboutiquehotel.com/assets/userfiles/files/sovonakulivivurubaw.pdf
- http://xingyeknitting.com/userfiles/files/76967211466.pdf
- http://cncsprings.com/d/files/ziwawokejilo.pdf
- https://mmagame.com/userfiles/file/vibakikoradomupeselup.pdf
- https://psg66.ru/admin/ckfinder/userfiles/files/wadixugorufugekokagusuriz.pdf
- http://www.singchai.co.th/ckfinder/userfiles/files/95757702761.pdf
- http://capesociety.ca/uploads/files/57389777848.pdf
- http://abwingscolley.com/uploads/files/wawadurerafokifel.pdf
- https://optimumquestsolutions.com/ckfinder/userfiles/files/kasikufakofepeko.pdf
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16142fa0a488c1---sajadojabokowa.pdf
- https://ruta.hu/ckfinder/userfiles/files/60242743123.pdf
- https://regiefranchet.fr/userfiles/files/56373493862.pdf
- http://jdjcnc.com/upfolder/e/files/20210903092343.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=development+setting+apk+download
- 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_off0000e6c7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE6C7 | 16792 bytes |
font_01_sfnt_off0000fede.bin742c6abd07e4ca4fa9780259196d053169ea991f6d48db1fa0241e81706410e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEDE | 10880 bytes |
font_02_sfnt_off000117d4.bin725a7f52aed786ea36b2fd79903d99fd940f429c033d8b7abd9d781f3ecf1589 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117D4 | 18784 bytes |
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