MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains numerous embedded URLs pointing to compromised WordPress sites, suggesting a phishing or malware distribution campaign. The presence of these links indicates an attempt to redirect the user to malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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://smidgel.ru/uplcv?utm_term=it%27s+hard+to+teach+an+old+dog+new+tricks
- https://g-ortho.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b7cad67c0e3---81597508383.pdf
- http://d4sontario.com/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/62214557593.pdf
- https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c6ed9b7f6---30131843128.pdf
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9bc27d764---feguwenij.pdf
- http://jnnycc.org/userfiles/file/nisizugijimilogukaw.pdf
- https://www.grandiosa.is/wp-content/plugins/super-forms/uploads/php/files/hbis0mneck1f49v2iuv1hg25d0/88076683262.pdf
- http://cricalliance.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075d0be389d0---leraw.pdf
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfdaf1bce7---linovojawexunil.pdf
- https://jagominum.com/contents//files/dufakasufugomi.pdf
- https://cicadit.ro/UserFiles/file/68866243679.pdf
- https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/1191dca06db78b9b04dd3dde52257aa7/femarowovabenarip.pdf
- https://govox.co.uk/wp-content/plugins/super-forms/uploads/php/files/l4vq2qojqc79r5jlauen01o8qd/rufekezuf.pdf
- https://christembassyromford.org/wp-content/plugins/super-forms/uploads/php/files/13cad2ab6bc2afa1afb1695fc266dfb8/luxufar.pdf
- https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/h7ks4kejuo11315hqdcvb1lb07/dukotup.pdf
- http://rurisnet.org/images/file/36761056181.pdf
- http://www.gradur.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160cd3e6223c20---68954359976.pdf
- https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160905a4b0cca7---52790007871.pdf
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/qlej6uu2451058vsa7590qb165/kapevogigijapa.pdf
- http://maility.pl_adresuserfiles/file/47369568026.pdf
- http://www.driftime.ee/wp-content/plugins/formcraft/file-upload/server/content/files/160761f3b091be---5329720339.pdf
- https://jiptv.nl/wp-content/plugins/super-forms/uploads/php/files/d5tkeqtd3iuvabuoi2rjggcph4/gikeluponel.pdf
- https://sharpspringwww.kinsta.cloud/wp-content/plugins/super-forms/uploads/php/files/00a752a1d2fc913c46fc55251134f2fa/2110971758.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_off0000efcf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFCF | 16792 bytes |
font_01_sfnt_off000107e6.bin3356d76c40e00783434793a1e182e0313390883076f4ee42dc3c99a9fd7a3686 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x107E6 | 10812 bytes |
font_02_sfnt_off000120a5.binf9ae4246935ab1bbed3db906ed321ea35f1b33bd60923df2fd9021286e6003f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x120A5 | 17804 bytes |
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