MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links, many of which point to websites hosted on compromised CMS platforms or disposable hosting. This behavior is indicative of a link farm designed to distribute malicious content or phish users. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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 http://www.ez4parcel.net/upfile/files/2021/07/14/46003189412.pdf In PDF document text
- http://brilliantsolarpaneling.com/userfiles/file/87168180239.pdfIn PDF document text
- http://balone.net/_upload/file///54079146.pdfIn PDF document text
- https://blindnow.com/userfiles/file/8971529169.pdfIn PDF document text
- http://rjbmachinery.com/d/files/takigekazugapabuborurera.pdfIn PDF document text
- https://avayemehr-carpet.ir/data/file/zupezoxuribawixomuki.pdfIn PDF document text
- https://flcevent.fcu.edu.tw/plugin/ce1/ckfinder/userfiles/files/20210716073823.pdfIn PDF document text
- https://rhythmcprandfirstaid.com/wp-content/plugins/super-forms/uploads/php/files/3d0018c16d86e650f70c77f6712b3f84/xagusevatopodafije.pdfIn PDF document text
- http://belhavenhighschoolalumni.com/clients/13962/File/dawixesodatekasov.pdfIn PDF document text
- https://www.cedicar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1206220ece---gariwomaloguguxojijoxarag.pdfIn PDF document text
- http://paulbwatkinslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/mirevedu.pdfIn PDF document text
- http://eclickapps.in/userfiles/files/960873069.pdfIn PDF document text
- https://nadamasristorante.it/file/60298883173.pdfIn PDF document text
- https://netwindowvn.com/uploads/userfiles/file/vonilorakowase.pdfIn PDF document text
- https://dmvassociates.com/wp-content/plugins/super-forms/uploads/php/files/bf9cc4b71994bb358902bcee13fb9699/tuxilebememasavo.pdfIn PDF document text
- https://autotrilogy.com/wp-content/plugins/super-forms/uploads/php/files/1b5f527b14a4047174930e25ef05d1db/komegumijunufekofufuxik.pdfIn PDF document text
- https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd5d6932e05---17550815879.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/javeruporugasagekak.pdfIn PDF document text
- https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a638cf058ae---sojuniror.pdfIn PDF document text
- https://bentzendesign.se/wp-content/plugins/formcraft/file-upload/server/content/files/16093a52c70409---sulopofewijomurelomux.pdfIn PDF document text
- http://allamericannursing.com/userfiles/file/42528315986.pdfIn PDF document text
- https://hfdjet.com/wp-content/plugins/super-forms/uploads/php/files/c4537fc2a6ff746a2a73531b5aeefa43/68420845395.pdfIn PDF document text
- http://promocode.lu/userfiles/files/sapexikubutasatepawadap.pdfIn PDF document text
- https://vegastel.eu/components/com_mijoshop/opencart/image/data/files/kowalajubasexegozevoxege.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+hook+up+my+ilive+sound+barPDF 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_off0000ef95.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF95 | 11248 bytes |
SHA-256: 8abec0ede4b6bb89173ab2309a1ed0da81d2e88932506c1be7704bade9917654 |
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font_01_sfnt_off00010998.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10998 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000121aa.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121AA | 16816 bytes |
SHA-256: 2a6b73fc3101fcdb951c8106bd8d5025e58b7e7594740653615d2658e5926915 |
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