MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF file was identified as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple external websites, some hosted on compromised CMS platforms. The presence of numerous distinct hosts and the use of 'utm_term' parameters suggest an attempt to obscure the true destination or to engage in SEO manipulation for malicious purposes.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
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.advids.io/wp-content/plugins/formcraft/file-upload/server/content/files/16076a2c4a84b9---muvejixixamuzipamejufis.pdf In PDF document text
- http://residenceraffaellotorino.com/userfiles/files/48606222662.pdfIn PDF document text
- http://circuitvietnamcambodge.com/hinhanh/file/27255309111.pdfIn PDF document text
- http://olgapolyakova.de/files/files/vetugokobogikol.pdfIn PDF document text
- https://et-auditing.com/userfiles/files/58060652437.pdfIn PDF document text
- http://shosholoza.de/file/sudared.pdfIn PDF document text
- https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/160b893089634f---jonezutidopazifegigigeb.pdfIn PDF document text
- http://mcutech.net/files/1227388411.pdfIn PDF document text
- http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16272463036179.pdfIn PDF document text
- http://psychanalyste-gard.fr/ckfinder/userfiles/files/81022803218.pdfIn PDF document text
- https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dd5ef7d37e6---donigidozelisawe.pdfIn PDF document text
- https://floresdeserrezuela.com/aym_image/files/76167634954.pdfIn PDF document text
- https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/lu58hjt4ot3ko2candqlg311df/34974703898.pdfIn PDF document text
- https://lacaune.hu/userfiles/file/dimakazodo.pdfIn PDF document text
- https://www.dyna-tech.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612fb411b290c---91372974076.pdfIn PDF document text
- https://egyiksem.hu/uploads/file/pisuvabinutenifapaxeximab.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6b6189cc3---gider.pdfIn PDF document text
- http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160fded55acbd9---reragiw.pdfIn PDF document text
- http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afa26303f58---fotalobumesem.pdfIn PDF document text
- https://palet-school.com/files/files/53460080896.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac096ccf51a---2933012719.pdfIn PDF document text
- http://sushimura1.com/uploads/files/rumutixaga.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/304601206b63902edc881a6eb06017f2/dugarozisixapap.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=avent+manual+breast+pump+canadaPDF 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_off0000d390.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD390 | 10748 bytes |
SHA-256: 74265bc43348e92db1fba0b1e2316e31af443c6c0fe852afd9d876eee039a436 |
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font_01_sfnt_off0000ec1c.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC1C | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001042e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1042E | 17004 bytes |
SHA-256: b3bb39bb6298d1b5a8ab6730a5e05653d62f2481ef5be5dfae3f3ef2942d9160 |
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