MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was flagged by ClamAV and an ML classifier as malicious, specifically as a phishing trojan. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of these links and the overall structure indicate an attempt to exploit users through deceptive redirection.
Machine Learning
- Nyx PDF Classifier malicious score 0.9950
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://inwebjor.ru/uplcv?utm_term=manual+de+epidemiolog%C3%ADa+y+salud+p%C3%BAblica+panamericana+pdf PDF link annotation
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608e166f13f05---dumasoxinelasoruxugadafak.pdfIn PDF document text
- http://pallenberg-busreisen.de/uploads/files/6391808860.pdfIn PDF document text
- http://qqsbg.net/uploads/file/bajawavopaw.pdfIn PDF document text
- http://kondicionery-ivanteevka.ru/upload_picture/file/rosepaloluzadebuvan.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5dfea5837---lozazapidevinus.pdfIn PDF document text
- http://stylowa-pss.pl/userfiles/file/naralivedesiwulawewalax.pdfIn PDF document text
- http://plncse.hu/php_data/file/nujepuwed.pdfIn PDF document text
- http://grupogmec.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfa1c29279---rojepisup.pdfIn PDF document text
- http://fd-health.com/upload/ckeditor/files/bogan.pdfIn PDF document text
- http://www.grundys.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d3773b8817b---pedunoruwewipilivemeneti.pdfIn PDF document text
- https://economiadecomunion.net/ckfinder/userfiles/files/nodexevigusobevakin.pdfIn PDF document text
- https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/6da9d95f4253c00411aa904f7afacb8b/71248134343.pdfIn PDF document text
- https://feldmann-spedition.de/pics/userfiles/file/58976999669.pdfIn PDF document text
- https://foxtailmag.net/wp-content/plugins/super-forms/uploads/php/files/5c8f99c65f3dafa413bd8cfa372e1779/95383571023.pdfIn PDF document text
- http://belovosushi.ru/files/kofemimoviwiwemuba.pdfIn PDF document text
- https://waelfawzy.com/userfiles/file/In PDF document text
- https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/45d4110500cbbbd9f66b3b4154c631ab/xiket.pdfIn PDF document text
- http://baocaosuhoatoc.com/luutru/files/34221619624.pdfIn PDF document text
- http://archinfo.ru/uploads/file/pededekiwukopemixi.pdfIn PDF document text
- http://stitesattorney.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/gebolawowokuxe.pdfIn PDF document text
- https://www.hagensmarketing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adf317252e6---jofagugatusapiwis.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/16085e2da7ec30---74370373162.pdfIn PDF document text
- http://ed-web.cz/userfilesfile/90588738474.pdfIn PDF document text
- http://szakkepzosiklos.hu/upload/file/17856620139.pdfIn PDF document text
- 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_off0000d2ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD2AC | 19564 bytes |
SHA-256: 95e8f1b2f98de106cbccd53c8c8988546a4dbc1f8b4a9d1bfb40d948d2b1df50 |
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font_01_sfnt_off000103c9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103C9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00011be0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BE0 | 11392 bytes |
SHA-256: 75515c8c1bc7dadc4c81e601276e14e5769347299952118a629cbf8e8c737614 |
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