MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The 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 link farm attack pattern. The presence of embedded URLs and the heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicate an attempt to direct users to potentially harmful sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9820
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://infrive.ru/uplcv?utm_term=timex+waterbury+watch+manual PDF link annotation
- http://idroter.org/userfiles/files/fezibovaxisa.pdfIn PDF document text
- https://loskutova.site/wp-content/plugins/super-forms/uploads/php/files/1059801a5306c017a640832984142eb6/xerulituges.pdfIn PDF document text
- https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/9bc1d53c6f2bc18781ecf3c58f022a44/47837896081.pdfIn PDF document text
- http://szpital-sulecin.pl/images/fckfiles/file/pulimexevekojoladawo.pdfIn PDF document text
- https://motelandratecuci.ro/userfiles/file/bareni.pdfIn PDF document text
- https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/953cpu8rbo214v6l9ib3r1n7t9/rebukaxebamurubovalenomut.pdfIn PDF document text
- http://eventechsite.com/files/files/63222308327.pdfIn PDF document text
- http://cunningham-reunion.com/clients/7/73/7399477c88ef979e1ad3ac38e42cffcc/File/xafabarix.pdfIn PDF document text
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16134625f59c8a---jesifumikepadoforun.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/31360436513.pdfIn PDF document text
- http://nextgt.eu/uploads/file/bobevinumesopifarosej.pdfIn PDF document text
- https://derechosenred.org/aym_image/files/seluv.pdfIn PDF document text
- https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/e3912b0aad2ed7057d492d7c1bd3265c/59052984614.pdfIn PDF document text
- http://humanitool.ru/userfiles/file/66004900893.pdfIn PDF document text
- https://chicagoportablexray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160920b51cdfda---95282242790.pdfIn PDF document text
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160b6c9a02a297---2750658843.pdfIn PDF document text
- http://wasserburg.pl/userfiles/file/21175332827.pdfIn PDF document text
- http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfa8b332e6---zajaru.pdfIn PDF document text
- http://www.pattyn360.com/upload/forum/files/zixatigisas.pdfIn PDF document text
- https://delphin-bau.com/ckfinder/upload/files/74448706286.pdfIn PDF document text
- http://liveranigioielli.it/userfiles/files/bipafavolopirumaxewe.pdfIn PDF document text
- https://www.leasing.net.in/ckfinder/userfiles/files/minovuna.pdfIn PDF document text
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eac281b90---95384530225.pdfIn PDF document text
- https://celebicatering.com/upload/ckfinder/files/gonobogivukavoxisufone.pdfIn PDF document text
- https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/28a2c9bfd9d668a4c44abcfcc90df84e/89653063559.pdfIn PDF document text
- http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607aeb3c2b3f7---60051013942.pdfIn PDF document text
- 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_off000101ab.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101AB | 20384 bytes |
SHA-256: 4166ab48b1dbf6cb9b9588987e7ff47f31db6a223a7ec2ea9b0dbb8a9abd81d2 |
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font_01_sfnt_off0001367b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1367B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00014e92.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E92 | 10712 bytes |
SHA-256: d14ada14ae4cdadf502e4510d55ecb7fb02c2be22f3e00ad2360c7bdf68eaae7 |
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