MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress installations or disposable domains, suggesting a phishing or malware distribution campaign. The presence of embedded URLs and the nature of the heuristics point towards the document being used to redirect users to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://nomylo.ru/uplcv?utm_term=clear+messages+on+instagram
- http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160bd546f2a27d---kekod.pdf
- https://khanikango.in/file/joviz.pdf
- https://foundryindia.org/userfiles/file/85383808687.pdf
- https://martensmgt.com/business_school/uploads/file/67243373822.pdf
- https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5095da5dbd---73926958750.pdf
- http://www.odnpoznan.pl/fotki/file/file/42842114191.pdf
- http://tavernadelsnoguers.com/wp-content/plugins/super-forms/uploads/php/files/e00bd511afe922f55b25ee14c88decea/bufuvidasubede.pdf
- https://ecoretras.com/file/josiporeveravokisuxujatoj.pdf
- http://www.pzkexie.com/up_files/file/63681188513.pdf
- https://www.adilaltinsoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077af83e3ef2---zavitegoliperabewesoj.pdf
- https://binarbaidfabrication.com/public_html/userfiles/file/mozadaj.pdf
- https://beruanglucu.com/contents//files/55836320475.pdf
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ad23c9997c8---fatukefatajinekumurogor.pdf
- https://israelonthehouse.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ed5d200769---gitibaj.pdf
- http://www.grupohk.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7c8d51ea3a---sogetarud.pdf
- http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ea11919555---99854086526.pdf
- http://naturallabs.de/userfiles/file/vuxuweniwapoxilefi.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160aeb0ce76a92---femuninerazoxavax.pdf
- http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5368cd9168---72779247675.pdf
- http://khanaphatgroup.com/UserFiles/file/4269888810.pdf
- https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/2ce2d09608f5d1f4640ea31fbfd6d2f9/70495940319.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/xebudarivaxupu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079636bb1656---71988605106.pdf
- https://sweetburden.com/upload/users/files/87612562661.pdf
- 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_off0000ef5e.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF5E | 16792 bytes |
font_01_sfnt_off00010770.bin56d1e52ca2929eeb94a8a82887e70ba88e91b2484774bd75979a7a6b7023af93 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10770 | 16920 bytes |
font_02_sfnt_off0001337d.bin959e93e1a86cc4ef016884206adaf2dfa3e398d79413006f13ab8c39d11311ef |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1337D | 10484 bytes |
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