MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised WordPress upload directories or other disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or phish for information. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613927a7855d8---53634821614.pdf In PDF document text
- http://corkpotters.com/images/99558205491.pdfIn PDF document text
- http://bouwbedrijfbouwheer.nl/userfiles/file/97165180126.pdfIn PDF document text
- http://ledseoul.com/userData/board/file/nezovosovegazexokujogowud.pdfIn PDF document text
- http://italiangreyhound.pl/img1/userfiles/file/90159405747.pdfIn PDF document text
- http://tvoirostov.ru/ckfinder/userfiles/files/48752544552.pdfIn PDF document text
- https://krusomying.com/data/file/riporidimadibuge.pdfIn PDF document text
- http://wsystem.sk/userfiles/files/18967835264.pdfIn PDF document text
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ee62407573---38987640237.pdfIn PDF document text
- http://grandfiltr.com/files/file/11775648630.pdfIn PDF document text
- https://dhins.com/testingsites/advantage_aviation/assets/media/file/16112332349.pdfIn PDF document text
- https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132045edc53a---97548975449.pdfIn PDF document text
- https://paulogomeslda.com/userfiles/file/liteposapup.pdfIn PDF document text
- https://coherence.cz/userfiles/file/32065422806.pdfIn PDF document text
- https://sharidendesignasphalt.com/wp-content/plugins/super-forms/uploads/php/files/5e34d96759a1ccb6ab57f24d0808bcd6/30779986767.pdfIn PDF document text
- http://voijin.com/userfiles/files/wivatevar.pdfIn PDF document text
- http://zhengfutz.com/v15/Upload/file/20219245509753.pdfIn PDF document text
- http://cnsgafgl.netsociality.com/upload/files/vivumowabeziler.pdfIn PDF document text
- http://studionegro.net/userfiles/files/53215728255.pdfIn PDF document text
- http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/9h65ll341tv3s32njl29p1ul27/22276263396.pdfIn PDF document text
- http://gucaoyun.com/uploads/file/061413058799.pdfIn PDF document text
- http://kesherisrael.com/uploadEditor/files/zuwid.pdfIn PDF document text
- http://zenobiacultura.it/userfiles/file///poguf.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=what+is+vpn+on+my+cell+phonePDF 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_off0000e85e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE85E | 10712 bytes |
SHA-256: 0000d6e8d73e0fde0e8b96a4ecd15459677ef90197db1dabb79615be345752d1 |
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font_01_sfnt_off000100d9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118EB | 18336 bytes |
SHA-256: 656f6d97cbed6e2fb33eba68a513f7947a970ff403bd0e76fb2da2fdd953c820 |
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