MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many of which point to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The document body is heavily obfuscated and appears to be generated by wkhtmltopdf, further obscuring its true intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://alnadaoil.com/userfiles/file/49482990467.pdf In PDF document text
- https://kurishupally.org/userfiles/file/wizuwosatesarupedu.pdfIn PDF document text
- http://studiotrusso.it/userfiles/files/gorudexebejigagovokumolel.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/160819b6465aaa---12118133078.pdfIn PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16070063a66b79---vuvedavitiseludinuribevar.pdfIn PDF document text
- http://veterky.ru/ckfinder/userfiles/files/10794848989.pdfIn PDF document text
- http://toyotaquangninh.org/data/dulieu/files/1904729750.pdfIn PDF document text
- http://cana.vn/uploads/userfiles/file/vojomixegev.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/437fac6b6ba263216b85b9630fa64088/42563279184.pdfIn PDF document text
- https://ltgtrends.com/wp-content/plugins/super-forms/uploads/php/files/8ae5b5f64e1deaac27c5480c33b0a37b/xikirujubomowerub.pdfIn PDF document text
- http://vgkbuilders.com/assets/files/37209077401.pdfIn PDF document text
- https://www.area-tlc.com/public/ckfinder/userfiles/files/10806860501.pdfIn PDF document text
- http://slstudio.it/userfiles/files/81568105312.pdfIn PDF document text
- https://wecafephuket.com/wp-content/plugins/super-forms/uploads/php/files/lv27ddkjcq4d890dd7l0ufabsd/simemenasuluzowo.pdfIn PDF document text
- http://startmatbaa.com/userfiles/file/riribumijufizaxanamozob.pdfIn PDF document text
- https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/953c1bdcffd434a77b7f5345ccd3b03b/mobixuluni.pdfIn PDF document text
- https://reparationmobile.net/userfiles/file/70880300277.pdfIn PDF document text
- https://electroagro.es/pub/files/xapedamajuvufajexevum.pdfIn PDF document text
- https://najlepsze-w-polsce.pl/uploads/japol.pdfIn PDF document text
- http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f5b9c471b63---65123669272.pdfIn PDF document text
- https://yingzhaoliuart.com/upload/file/wabanakevos.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=worksheet+counting+numbers+1-10PDF 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_off0000cfa8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCFA8 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000e7bf.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE7BF | 11004 bytes |
SHA-256: 1a52705fd88ca0150aea8eebf1a5e640f442fc0b6e914b02d1ab94548ae77546 |
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font_02_sfnt_off0001013d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1013D | 16900 bytes |
SHA-256: 3bed20dbec7e58d02c25d9990da1d952f4182af906b85dd695be1c8ced75d85f |
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