MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as a malicious PDF by ClamAV and an ML classifier. It contains numerous embedded URLs, many pointing to compromised WordPress sites or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The presence of PDF-specific heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' further supports this. While no scripts were explicitly extracted, the nature of the URLs and the detection as a 'Phishing.Trojan' indicate a phishing or malware distribution attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://wastran.ru/uplcv?utm_term=how+to+copy+scanned+pdf+text PDF link annotation
- https://oglethorpeclub.org/~oglethor/UserFiles/file/55983101925.pdfIn PDF document text
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160867f890237d---ponepolenemola.pdfIn PDF document text
- https://secolink.sk/userfiles/file/45540303043.pdfIn PDF document text
- http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16090801f654b7---24632721544.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/64e4f4faddb4cc3d611c80d3f8358557/bulap.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607734afa1bd4---nisemavugobenajobixapelaw.pdfIn PDF document text
- http://cnc-soustruzeni.cz/files/file/samamilobodedowerakodin.pdfIn PDF document text
- https://airtelco.com/data/users/_/email/files/75709695290.pdfIn PDF document text
- http://goodwill.pl/userfiles/file/6793094750.pdfIn PDF document text
- http://jevades.com/aircraft/fckimages/file/jovomifeposijikujuxuto.pdfIn PDF document text
- https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/160860ee6265d0---1413685606.pdfIn PDF document text
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a7548fef1c2---89802498479.pdfIn PDF document text
- https://haidangpc.com/contents/files/bisamidoguj.pdfIn PDF document text
- http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/0ab0fa628d6a580817597476ecc35e6e/63169200055.pdfIn PDF document text
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/fj0e7ellrk5g53j0uju3aonvlg/44981550201.pdfIn PDF document text
- http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091eab2b1eb8---92570865647.pdfIn PDF document text
- http://allaboutdowney.com/userimages/jajamijidifovotu.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/idp5bl6t2udrauibm29d2342b2/47909905835.pdfIn PDF document text
- https://accesoriosalmayor.com/images/userfiles/file/bexeb.pdfIn PDF document text
- http://maremio.ru/admin/ckfinder/userfiles/files/64023698976.pdfIn PDF document text
- https://ateneoarbonaida.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9ff4f4f457---xafazuborinazikinakor.pdfIn PDF document text
- https://dvg.asia/ckfinder/uploadfiles/files/83161194029.pdfIn PDF document text
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a224bb087c7---74469479628.pdfIn PDF document text
- http://learningkey.org/userfiles/lalupajukezosadowaw.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_off0000ee5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE5B | 17392 bytes |
SHA-256: 481cea5dd2a5452cb06a7333a3339ed41f3221f3b4e4ee785297076f2efd94ca |
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font_01_sfnt_off00011bed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11BED | 10668 bytes |
SHA-256: f8aa9a7acbc2d5559cc028b14b041bae9c25e92da72e846be959fd8a363f03d5 |
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font_02_sfnt_off00013499.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13499 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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