MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF was detected as malicious by ML classifiers and ClamAV, indicating it likely exploits a vulnerability or contains malicious links. The heuristics reveal it functions as a link farm, directing users to compromised WordPress upload storage and other disposable hosting sites. These links are likely intended to host phishing content or further malware payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
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://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/6totgrg403gt5majshuh2hclsr/30677080716.pdf
- http://freemansphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb84d1c9a8---verexavokesojanuvipun.pdf
- http://africansafaris-spain.com/FCKeditor/editor/filemanager/connectors/php/connector.php?Command=FileUpload&Type=File&CurrentFolder=%2Ffile/68702735012.pdf
- https://greyquotient.com/wp-content/plugins/super-forms/uploads/php/files/55dbbb6678744b04c5c800fe2ab6bb9a/41985958386.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ac19f446bd5---35792785619.pdf
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/u38gi9esnn34unegp382t9c2i3/pukuvovoxekizumojodav.pdf
- http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608849ecdddb6---woxikugo.pdf
- http://rocincorporated.com/domain.com/images/dynamic_pages/file/vamisowav.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608897e9c191c---28331027095.pdf
- http://al-bandak.com/userfiles/file/97644453407.pdf
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b8d939c99b7---sevefusijuzazoxujedeweki.pdf
- https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca26f07832---damot.pdf
- https://robotics-institute.com/wp-content/plugins/super-forms/uploads/php/files/peir4rp7jq7qb5bd16hrcnl8m3/22537537058.pdf
- https://drosamahetta.com/userfiles/file/purolifomofesufupubifunu.pdf
- http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089a98e9df87---67910104006.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca0abbea8d---fadenetevi.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160942bf314be4---79151616045.pdf
- https://advicezone.org.uk/wp-content/plugins/super-forms/uploads/php/files/651ddpgbfetai6rbfct7usaln9/wirefafofetin.pdf
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16092f9553882d---41766693604.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c5341eda353---16177775079.pdf
- https://alsterparkett.de/wp-content/plugins/super-forms/uploads/php/files/1elmii1oqqjir43u7le8a85ko7/52062677115.pdf
- https://gfow.om/wp-content/plugins/super-forms/uploads/php/files/dqmej5cojl50n5gop4s36a4esa/wuxutepilisutaronuxisafon.pdf
- https://him-home.ru/wp-content/plugins/super-forms/uploads/php/files/8ec2080edf012a258f5693fa52d6c4aa/kidoxupebolopagisu.pdf
- http://www.chinahkcarplate.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2acd89557---77980832573.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=what+is+the+chemical+formula+for+oxide
- 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_off0001078a.bina97b4e13ed827400607073fcc6a68ef7dc96d884264d1be7b0545abbc3dba3bd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1078A | 10832 bytes |
font_01_sfnt_off00012094.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12094 | 16792 bytes |
font_02_sfnt_off000138a6.bin80e5cacac43af5b59a82856372f4166195865c8af0e2d16a3c99ce4f3ef8b113 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x138A6 | 17876 bytes |
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