MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. Several heuristics indicate the PDF acts as a link farm, directing users to compromised WordPress upload directories. While no scripts were explicitly extracted, the nature of the links and the detection suggest a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
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://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/161447bf81f07d---18747087270.pdf
- https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/1b4f677b625b87c10461bcc7b429f2c0/71343087558.pdf
- https://media-get.ru/userfiles/files/muwebanixamemevisimiwi.pdf
- http://thaiboxes.com/piceditor/file/19297858208.pdf
- http://sinara.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134eb3b0ba83---84544169082.pdf
- http://aristosaigonhotel.vn/uploads/files/fusovovorovananujunipe.pdf
- http://taiwan-casters.com/userfiles/file/51250834834.pdf
- https://www.pelicanfinancialnetwork.com/ckfinder/userfiles/files/tekofazovon.pdf
- https://repairbase.net/FCKeditor/editor/filemanager/connectors/php/images/file/duzasiruwalugabe.pdf
- http://mimarathi.live/assets/ckfinder/core/connector/php/uploads/files/xitumokajal.pdf
- http://misr-consult.com/userfiles/file/17917687316.pdf
- http://thriftstorewebsites.net/flash/thriftstorewebsites.net/file/24941783764.pdf
- http://paradisoseminatrici.it/userfiles/files/53080862335.pdf
- http://111-orte.de/testarea/cwsCMSlight/media/files/69156664675.pdf
- https://forumsevens.com/images/file/dijitagulizo.pdf
- http://urduhadith.org/survey/userfiles/files/12284978679.pdf
- http://sevinctekstil.com/resimler/files/32262881072.pdf
- http://www.rosabrockenhaus.ch/ckfinder/userfiles/files/nepowagud.pdf
- https://growyourmoney.in/userfiles/files/lelixudulonimijokuna.pdf
- http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/95941545654.pdf
- http://zulassung4you.de/bilder/file/92209930470.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146c0113870c---65037028510.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+enter+gps+coordinates+on+google+maps+android
- 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_off0000e3fd.bin542bca302c2ab858b902936e47d2632fab72eea75a68011248f01ebc782f4a35 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3FD | 17992 bytes |
font_01_sfnt_off00011231.bin79d203a75eeddc3577411a65512379dbf47afc1f901e4f173db386ebd7f208d2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11231 | 10936 bytes |
font_02_sfnt_off00012b59.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B59 | 16792 bytes |
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