MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links, many pointing to compromised CMS upload directories, indicating a link farm designed to distribute malicious content or phish users. ClamAV and ML classifiers also flagged this PDF as malicious, specifically as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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://emurus.jp/userfiles/file/jalogode.pdf
- https://turismo-galicia.es/ckfinder/userfiles/files/kedop.pdf
- http://iworking.vn/uploads/files/71719868291.pdf
- http://xn--e42bt3l.net/upfile/files/72483525945.pdf
- http://bpabv.nl/uploadfiles/file/72034679961.pdf
- https://barcelonamedicalcenter.com/files/galeria/files/jipowu.pdf
- https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2a2541fdbb---torulabosapifowuguxof.pdf
- http://brkvinc.com/userfiles/file/japonowevelenebevesudi.pdf
- https://angkagenap.com/contents//files/sijilobuzunewaj.pdf
- https://baxsporthorses.com/userfiles/file/tapomakejo.pdf
- http://delve-cr.com/uploads/98105753538.pdf
- http://cfacgroup.com/uploads/FCK_files/file/95778804396.pdf
- http://auroraenergyproject.it/userfiles/files/24938829016.pdf
- http://xn--80ahcjevtqq.xn--p1ai/ckfinder/userfiles/files/pajefapalomejijupi.pdf
- https://lightingsystemscol.com/wp-content/plugins/super-forms/uploads/php/files/d1d152d27e6c119eca951fe417b10b77/48518811604.pdf
- http://drapa-technika.cz/UserFiles/File/70099178573.pdf
- http://trustarshida.co/cache/fck_files/file/22339004402.pdf
- http://pekingtogo.com/uploads/files/devazadipodeb.pdf
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fa06771a77---kuturiga.pdf
- https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/b4ced32a08569c99b5489373c25dce91/gupuj.pdf
- http://uitvaartverzorgingsindex.nl/images/uploads/20372654234.pdf
- http://www.sas.edu.mn/ckfinder/userfiles/files/vebusijezexagusarukigij.pdf
- https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb8b828e542---rufuw.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2879a2320---7219190637.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+get+frost+chassis
- 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_off000114eb.binb323c07ac8c3e20117d3e3b9886dd6ab7d50f14a8cf8efae2fcad89f415b90c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x114EB | 10540 bytes |
font_01_sfnt_off00012d2a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12D2A | 16792 bytes |
font_02_sfnt_off0001453c.bin935f5b5a6b02c409746227e93379a3159b127ad5751692822f0cd71c1f0df5f1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1453C | 19224 bytes |
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