MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised WordPress sites acting as a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or distributing further malware. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or redirecting users.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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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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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://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/12be9db70960f2df60bf8617c92b9841/suvunigowekutepavomu.pdf In PDF document text
- http://riccaassociati.eu/userfiles/files/51493774758.pdfIn PDF document text
- http://xn--12cfu9bc1efac9a9azfdsb7b9d1f0j.net/ckfinder/userfiles/files/75332630464.pdfIn PDF document text
- https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/go323fjnr68dn9egf4k70h6vvl/lujunotupowanigaf.pdfIn PDF document text
- https://nabsangram.com/userfiles/file/tedavewivufetub.pdfIn PDF document text
- https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608ceb6c6a065---kakibusijutubi.pdfIn PDF document text
- http://banquat.com/userfiles/files/14171757261.pdfIn PDF document text
- https://jfefood.com/wp-content/plugins/super-forms/uploads/php/files/a09049f3a6c8578e3ac0371e4333783a/26609019647.pdfIn PDF document text
- http://conelser.hu/fck_uploads/file/45020643595.pdfIn PDF document text
- http://soepcentrale-dekeyser.be/userfiles/file/50398348095.pdfIn PDF document text
- http://boulderdivorcelaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081c41f045cf---susafogoduva.pdfIn PDF document text
- https://carcable-bg.com/uploads/pictures/files/moxogitegejomupitilazatog.pdfIn PDF document text
- https://www.agro-zavod.ru/app/webroot/js/ckfinder/userfiles/files/bunupifopesuvufutomuninon.pdfIn PDF document text
- https://www.spoton.pet/wp-content/plugins/super-forms/uploads/php/files/04c5tu79g1lupbfm3atojh310e/juxawebumap.pdfIn PDF document text
- https://tl-systems.hu/files/files/dojeno.pdfIn PDF document text
- http://www.itbaloch.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9febdc26fe---tatolavi.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/d8ri81ifq5ud3mak45ajj83ei4/wawegivozored.pdfIn PDF document text
- https://art-lamps-rali.eu/files/file/julewuv.pdfIn PDF document text
- https://mamotato.ro/userfiles/file/mekaruzaxaluwatopesakasej.pdfIn PDF document text
- http://trlgpc.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/82737466380.pdfIn PDF document text
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e4c7c808fe5---sibelavubemo.pdfIn PDF document text
- http://www.jobibon.com/admin/userfiles/file/51381864683.pdfIn PDF document text
- https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/c2270fh77haa9mvm3lgipfmbg6/gaxulugomizunuto.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=book+i+will+never+write+pdfPDF 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_off0000dd54.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD54 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000f56b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF56B | 10460 bytes |
SHA-256: 642d6daa44f02dd736b4bfc9bb6cfb0f918d356b916a1142d17bc76ce07e8b52 |
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font_02_sfnt_off00010d51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D51 | 17480 bytes |
SHA-256: 37146643ca1c2b9df2c165947a0c61f7ba7605ceec6530d2496289773330aae1 |
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