MALICIOUS
184
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains embedded JavaScript and a large number of external links, many of which are hosted on compromised or disposable domains. The heuristic 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' specifically indicates links pointing to compromised WordPress upload storage, suggesting an attempt to host malicious content. The ML classifier and ClamAV detection further support its malicious nature, likely as a phishing or malware distribution vector.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 8
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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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QR-code redirect lure medium SE_QR_LUREDocument instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://omprintandpack.com/userfiles/file/kejexinunosavifadu.pdf
- https://imihwa.com/uploads/image/20210919/files/20210919101102.pdf
- https://joepromenshealth.com/wp-content/plugins/super-forms/uploads/php/files/aa52d443e0d2b6f76a2db9735013ad74/kukeli.pdf
- https://aquatrustfina.com/userfiles/file/kaxodim.pdf
- https://jatransfer.com/userfiles/file/32663289788.pdf
- https://indiansabroad.uk/userfiles/file/juzepowasafuwujedorufifel.pdf
- https://deepex.hu/hirek/files/40897676855.pdf
- http://factory-01.com/js/upload/files/66633960443.pdf
- https://catequesisnavarra.org/guiarte_userfiles/files/38247258677.pdf
- https://sunkamalzemecilik.com/userfiles/file/79477876497.pdf
- http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16141f2e991d02---22497342251.pdf
- http://escalierdurire.fr/ckfinder/userfiles/files/gimuvirexakuxukujawedozu.pdf
- http://keitbg.com/images/files/94511651221.pdf
- https://southwestlooms.com/admin/userfiles/files/11149575523.pdf
- https://eliteplacementagency.com/uploads/files/70910942003.pdf
- http://domki-kopalino.pl/pliki/libade.pdf
- https://congchung7.vn/upload/file/83316250900.pdf
- http://bamila.vn/luutru/files/powunazikofoxemexo.pdf
- https://keralatemples.info/ckfinder/userfiles/files/20149465784.pdf
- http://music-saikung.com/ckfinder/userfiles/files/10447075626.pdf
- http://alexdisinfestazioni.com/userfiles/files/9221318602.pdf
- https://1snrpaulista.com.br/ckfinder/userfiles/files/zunaz.pdf
- https://levin-dent.ru/wp-content/plugins/super-forms/uploads/php/files/9a8b0b6f3935c2b7b0da31f2b7079416/71584764672.pdf
- https://ekinyalitim.com/depo/sayfaresim/file/viwafularafofi.pdf
- http://pilanatofishing.com/home/sandbox/domains/shelter.sandbox.tritek.hk/public_html/ckfinder/userfiles/files/jarurobuxujorizurowike.pdf
- http://mynigaoe.com/upload/file/20210909201039.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=detective+byomkesh+bakshy+full+movie+download
- 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_off0000ed26.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED26 | 16792 bytes |
font_01_sfnt_off0001053d.bin466f34c3b591032b78d40fb1777b38119038c908192a242c7ee64b47d70b0eae |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053D | 11240 bytes |
font_02_sfnt_off00011f83.bin32abe30eb14a792d11e444e5a260de6222c2957d1ac97d38717428fa56a28853 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F83 | 19868 bytes |
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