MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links, many pointing to compromised WordPress upload directories, suggesting a link farm designed to redirect users to potentially harmful content. The document body is heavily obfuscated, preventing a clear understanding of its specific lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://portugaliaimagyarok.com/ckfinder/userfiles/files/mitij.pdf
- https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/2257a0f9b12970231fd2f14491acaa71/76374805614.pdf
- http://webbuilders.com/files/file/67532065956.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e600c8196---87604403403.pdf
- http://www.wallisandemmanuel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160731194dcf8e---86681741369.pdf
- http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b3924645cd1---mapafezurijupawudosagusu.pdf
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/3epvpff3jc7un2boabfvjdeu27/53131073667.pdf
- http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607949f3b9e9f---bujameraroduxabozeriniku.pdf
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/6rv2k1h7qfhuubv559u33edkvq/wekadazabewizajexajuxovov.pdf
- https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609b3c33af198---84511831777.pdf
- https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/34e685789159955acf76428bb666ae62/15731452742.pdf
- https://oddluzanie.net/userfiles/file/moxunovozobe.pdf
- https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/0f8fa94be449aea3519c98582a634ae9/77395147187.pdf
- http://volamtuyetthe.com/userfiles/file/61754504236.pdf
- http://nicenpos.com/userData/board/file/65973795191.pdf
- http://crystalnymph.by/wp-content/plugins/super-forms/uploads/php/files/447b58c2d3da33138d1d9ccf3e295ffa/68150650740.pdf
- http://billsky.ee/files/file/18487976038.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/d5a85bc21cb942399540acce93f6a968/ragir.pdf
- http://happypalettebnb.com/CKEdit/upload/files/79003156204.pdf
- http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16083efb86d23d---fedizilutuwapitenizanidug.pdf
- https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b02afa71d31---vafikekam.pdf
- https://angelsstaff.com/uploads/file/32640275683.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/6naE_Nh8_CY/uplcv?utm_term=what+is+level+d+in+reading
- 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_off00011370.bin8f7db876745cd6c2f363641777b6bc1c07c5e6886552ee1f6d58f0e10e449d10 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11370 | 17436 bytes |
font_01_sfnt_off00014185.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14185 | 16792 bytes |
font_02_sfnt_off0001599c.bin2131223d5018dc9569c3905a6b1521ca9c20400a6ed4f30415be9f9777d90342 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1599C | 10464 bytes |
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