MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file was detected as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many of which are hosted on compromised CMS platforms or disposable domains, suggesting a link farm or redirection mechanism. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
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://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16094403946466---53936969763.pdf In PDF document text
- https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160ae9119b2897---senopi.pdfIn PDF document text
- http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160756eb3c7456---27359331064.pdfIn PDF document text
- http://thaiboxes.com/piceditor/file/vifuwegonep.pdfIn PDF document text
- http://tipiland.net/upload/file/rotolinadimebo.pdfIn PDF document text
- http://anhuifan.com/upload_fck/file/2021-5-26/20210526082428999196.pdfIn PDF document text
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/d8000800b3e11a496c9828ab07c956fc/86084303417.pdfIn PDF document text
- http://e-park.es/img/uploads/files/juseruregafudeza.pdfIn PDF document text
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/78765ea19b32c2a0c55dacce6b43a5a4/80451475630.pdfIn PDF document text
- http://tecsun-moscow.ru/docs/file/kuzodazagexonepulelu.pdfIn PDF document text
- http://cdkkck.com/uploadfile/file/20210630115320.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb51f7ad5d9---vilasoworamo.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608d3b723eaab---wigabidajije.pdfIn PDF document text
- http://wib24-admin.de/uploads/file/21688256670.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/18370873690.pdfIn PDF document text
- https://pet-fashion.ro/mm/file/80135331878.pdfIn PDF document text
- http://debden.org/userfiles/file/doludevawuxufemixoguvem.pdfIn PDF document text
- https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608503287e992---36575920296.pdfIn PDF document text
- http://cedule-plachty.cz/files/file/radebovirifer.pdfIn PDF document text
- http://monkey-do.net/userfiles/file/wevosujoforisadoperat.pdfIn PDF document text
- http://eastendmediation.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fexuzax.pdfIn PDF document text
- https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160beaaac766b5---dawekazewuf.pdfIn PDF document text
- https://blv.by/upload/editor/files/litogejimalono.pdfIn PDF document text
- http://www.inhd.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609e9718ba7ce---fonujugodowumexamomow.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=amazing+grace+i+can+see+the+love+in+your+eyesPDF link annotation
- 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_off0000c42d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC42D | 16728 bytes |
SHA-256: c4c4d135bdec5a719141e419ebb234ebc2b2f306212c908e98fc77cae3dd5074 |
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font_01_sfnt_off0000efeb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEFEB | 11000 bytes |
SHA-256: 2a8bed8b7b7836f9ac2941c52f54f3d914180b9c6db1ed4124146f0d13a7fc90 |
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font_02_sfnt_off00010962.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10962 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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