MALICIOUS
126
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The file is a PDF document that contains numerous external links, many pointing to compromised WordPress sites. The heuristic 'PDF_SEO_DISPOSABLE_LINK_FARM' indicates a pattern of using disposable hosting for these links, suggesting an attempt to obscure the true destination or purpose. ClamAV detection as 'Pdf.Phishing.Trojan' further supports a malicious intent, likely to direct users to phishing sites or download further malware.
Machine Learning
- Nyx PDF Classifier clean score 0.2205
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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PDF differential parser failed info PDF_DIFFERENTIAL_PARSE_FAILEDThe cross-check parser (pdfminer.six) failed on this file: PDF differential parser failed: PDFSyntaxError. Static heuristics still ran and any of their findings above are valid; only the differential cross-check signal is missing.
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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://medvor.ru/uplcv?utm_term=pillow+thoughts+2+book+pdf+free PDF link annotation
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/6s6hfn0ujnu0a0sc5acirvougi/sasinibupewazovamavapa.pdfIn PDF document text
- http://wimborst-ceramics.nl/public/view/upload/fckeditor_images/file/17479248696.pdfIn PDF document text
- http://famcareconnect.org/wp-content/plugins/formcraft/file-upload/server/content/files/16072d77474245---86037244807.pdfIn PDF document text
- https://koetec.com/home/~ptow/public_html/ckfinder/userfiles/files/56188685446.pdfIn PDF document text
- http://qunjl.com/userfiles/files/38846930595.pdfIn PDF document text
- http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/62611b5cd90c930725cee7cec5c973d1/vajalafunezide.pdfIn PDF document text
- http://www.dr.schure.net/ckfinder/userfiles/files/nijusowifesoz.pdfIn PDF document text
- http://bafiti.com/sklep/userfiles/file/57613010814.pdfIn PDF document text
- http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160790239b5acf---sovusapeb.pdfIn PDF document text
- http://firstcuwire.com/file_media/file_image/file/84075009122.pdfIn PDF document text
- https://goodluckfishing.com/ckfinder/userfiles/files/vasovatidijar.pdfIn PDF document text
- https://speakingparrot.com/upload/ckfinder/files/fomufuzijefogepabozujo.pdfIn PDF document text
- http://koovappadyscb.com/ckfinder/userfiles/files/83638483159.pdfIn PDF document text
- http://dmscsmartlifeblog.com/userfiles/files/bazilovar.pdfIn PDF document text
- https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/1aedc43edf3b03726e93877f60ae7c80/fixedodidunimafiwejikidij.pdfIn PDF document text
- http://sanmargholidays.com/ckfinder/userfiles/files/xedetufebekob.pdfIn PDF document text
- http://andrelandberg.com/userfiles/file/37291270265.pdfIn PDF document text
- http://galluccifaibano.com/userfiles/file/silaro.pdfIn PDF document text
- http://emeraldcovepartners.com/_data/images/file/pezos.pdfIn PDF document text
- http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f3b928b6967---paduwerekizaxub.pdfIn PDF document text
- https://www.unicodesystems.com/wp-content/plugins/super-forms/uploads/php/files/ffer52c5vjdb9uns9bkpoh5md4/14068764937.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/eb2c7283be153d22954a2107b39f1cb2/66851032495.pdfIn PDF document text
- http://zxpgw.com/userfiles/file/13838909073.pdfIn PDF document text
- http://blessingsngo.in/userfiles/files/gowuwelod.pdfIn PDF document text
- https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/5a0cbbe9fed942ec7a46ea695c1f4a31/gededafepewa.pdfIn PDF document text
- https://vrindaindia.com/php/joseph/uploads/file/8983523068.pdfIn 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_off0000c11b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC11B | 17064 bytes |
SHA-256: ce9fdc8c30d8e5ed940b2e9d15d41a127df9c0f45dad1d4ad3431e027b82c7cd |
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font_01_sfnt_off0000ed62.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED62 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00010579.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10579 | 11052 bytes |
SHA-256: a40f80f6198e317bdaee920f54c6a5a71b434e294bf9a6338e5cde2da72592c0 |
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