MALICIOUS
154
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised CMS upload directories or disposable hosting. The primary purpose appears to be directing users to external sites, which is a common tactic for phishing or distributing further malware.
Machine Learning
- Nyx PDF Classifier malicious score 0.6125
Heuristics 5
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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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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 http://dh-cell.com/ckfinder/userfiles/files/27480056016.pdf In PDF document text
- http://teamwork-poetschke.com/ckfinder/userfiles/files/munisop.pdfIn PDF document text
- http://jungam21.com/upfiles/file/1632604025.pdfIn PDF document text
- http://detskypohar.cz/upload/file/23958792351.pdfIn PDF document text
- https://hunglivet.com/uploads/files/202109211415017638.pdfIn PDF document text
- https://peintures-descours.fr/fichier/files/ladijavafog.pdfIn PDF document text
- https://maidintown.co.uk/wp-content/plugins/super-forms/uploads/php/files/3b2b7db64f8ace490d55ac8a605062f5/90559015491.pdfIn PDF document text
- https://swagath.co/new/ckfinder/userfiles/files/pesomudomewo.pdfIn PDF document text
- http://www.boldino-hotel.com/ckfinder/userfiles/files/tinalonujexitegi.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16135ea3626701---mevaju.pdfIn PDF document text
- http://autoneza.cz/UserFiles/File/62338719484.pdfIn PDF document text
- https://a-metal.e-giant.net/archive/file/files/64941747875.pdfIn PDF document text
- http://sxsasa.org/images_fck/file/1631234860.pdfIn PDF document text
- http://mopi.eu/ckfinder/userfiles/files/kopuxigubabomozini.pdfIn PDF document text
- http://perfect-gallery.com/userfiles/file/17116764933.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613440133a9d6---67397576109.pdfIn PDF document text
- http://becskeicsodajo.hu/admin/fck_upload/file/batuli.pdfIn PDF document text
- https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/f6f339beea42c558053117e77be61445/papevarejuxovasonadededid.pdfIn PDF document text
- http://hotechike.com/files/files/27882308875.pdfIn PDF document text
- http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16147a76702300---3886924869.pdfIn PDF document text
- http://loveperfectionschool.com/upload/file/puwevupexoxi.pdfIn PDF document text
- http://wahluenfty.com/userfiles/ruvixogo.pdfIn PDF document text
- http://vibrator4you.cz/UserFiles/File/guluweweminuwo.pdfIn PDF document text
- http://jimsclub.net/new/board/img_tinfo/file/20210916194522.pdfIn PDF document text
- https://a-guskov.ru/uploads/files/tibexuposoruxobobu.pdfIn PDF document text
- https://clearpatth.com/userfiles/file/kosefajunajuganuzofirus.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=tumbleweed+gif+funnyPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000b7f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB7F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d003.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD003 | 18812 bytes |
SHA-256: 76f8c546c92f0ab40615ca49e37f84a1ef4e8fa35ff7ba0f9a4c95e2aba22e85 |
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