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, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised CMS upload directories and disposable hosting, suggesting a link farm designed to redirect users. The PDF's structure and the presence of these links indicate an attempt to exploit users by directing them to malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1609a90bfdc1fb---busanojitapumujafokifumit.pdf In PDF document text
- http://shuimotongyuan.com/userfiles/file/luvokuvolifageka.pdfIn PDF document text
- https://ferdavagnar.is/images/fck/file/mijebajifa.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160832488145df---86709646692.pdfIn PDF document text
- https://soudurelauziere.com/upload/editor/file/rixowoxisinobu.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16072b7a571779---98051296649.pdfIn PDF document text
- http://ellenia3.eu/userfiles/files/xidasixemibumowali.pdfIn PDF document text
- http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d5aa86d1ba---jijezupafim.pdfIn PDF document text
- http://mp-journal.com/media/file/61767344879.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c10927b1397---woborerigowamefo.pdfIn PDF document text
- http://veterina-naslunci.cz/userfiles/file/votivusorosewijufamuno.pdfIn PDF document text
- https://www.indee-r.fr/wp-content/plugins/super-forms/uploads/php/files/2801e81dbd43fc28723dead325f1a01d/zidavowumadinunakogedigur.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/644emcceno1j44j4nb8dejn9f2/gadajewumokivo.pdfIn PDF document text
- https://allmassage.net/upload/file/20210625061320.pdfIn PDF document text
- http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160a7914f2b040---99580422764.pdfIn PDF document text
- https://mygamedaysports.com/wp-content/plugins/super-forms/uploads/php/files/e2acee1991e6d2bba4855f60f9a869e3/mapuxojejoj.pdfIn PDF document text
- http://taiyoaquris.cn/upload/userfiles/files/20210727190950.pdfIn PDF document text
- http://instandee.com/Images_upload/files/9975836991.pdfIn PDF document text
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bb526591f03---80857338351.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/26f247b94d45a103cad9b855bd9846f0/puwugofiwixuka.pdfIn PDF document text
- http://feynburg-uhren.de/uploads/wijuxojirafisetojamazis.pdfIn PDF document text
- http://nuitsdartistes.eu/images/file/73811933982.pdfIn PDF document text
- https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/b7e9d9d1c79a4a0ecfd5473f84bd5ba4/27340062461.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+often+do+aldi+employees+get+paidPDF 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_off0000fd23.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD23 | 17900 bytes |
SHA-256: 937f6ecac3b7eb74567939b038e591fd70da9cffba76f6716dc4ddafad7ba8ef |
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font_01_sfnt_off00012ba5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12BA5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000143bc.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x143BC | 10932 bytes |
SHA-256: 03b4c9edb48b3395f15c6cf51167e73ea371ddc116bbb119566989bbc44f7317 |
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