MALICIOUS
216
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is a PDF file detected as malicious by ClamAV and an ML classifier. Heuristics indicate it contains a link farm pointing to compromised WordPress sites and potentially malicious PDFs, with one direct link to an IP address. The 'SE_PAYMENT_REDIRECT_LURE' heuristic strongly suggests a business email compromise (BEC) or financial phishing attempt, aiming to trick users into believing there are new payment instructions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9972
Heuristics 8
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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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Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LUREDocument describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
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Clickable URI points to raw IP address medium PDF_URI_IP_LITERALPDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
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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://vmkmsz.hu/userfiles/file/2588909240.pdf In PDF document text
- http://dataction.org/demo/dataction/media/neputulinap.pdfIn PDF document text
- http://canxetaianhduc.com/images/file/71235020654.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/82235481999.pdfIn PDF document text
- http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160818d2069837---kigudo.pdfIn PDF document text
- http://www.supercarrentalsofmiami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c285b1e0fa6---1766829596.pdfIn PDF document text
- https://people11people.gr/uploads/File/12386228995.pdfIn PDF document text
- http://amsaneeraus.fi/userfiles/files/rebijadopanetavomomazan.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/d5ab569ecebba7665fee3ef966dfb2c2/88354854847.pdfIn PDF document text
- http://rszm88.com/upfolder/e/files/20210612015826.pdfIn PDF document text
- http://eachfun.com/ckfinder/userfiles/site_eachfun_com/files/netazige.pdfIn PDF document text
- https://mobiligennari.com/userfiles/file/gewumar.pdfIn PDF document text
- http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/0crl0jqkr96kin3bpmj86iuld5/bosapopogo.pdfIn PDF document text
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/3b4a3b0807215656d5fc746db1a379eb/10341347407.pdfIn PDF document text
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/3b24be48756cf16058b032951a3b3c79/xirepejapafabijoneguvuni.pdfIn PDF document text
- https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/troju9487019grffocs4gqgago/89210819491.pdfIn PDF document text
- http://theopenhouseclub.com/wp-content/plugins/super-forms/uploads/php/files/0dfaeb825b4ea66c3d945a1ddec4a66a/23617042864.pdfIn PDF document text
- http://josephlillianmorrisfamily.com/clients/59960/File/33937380571.pdfIn PDF document text
- http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608853102b54b---lisodi.pdfPDF link annotation
- https://unique.global/wp-content/plugins/super-forms/uploads/php/files/73ab1dca9cdde5208f5381b906bcf401/fifiredevebafep.pdfIn PDF document text
- https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/08b0ca930c1d17a76d69674c8eab23a5/bisilipud.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=partial+rollover+401k+to+roth+iraPDF 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_off0000e947.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE947 | 10344 bytes |
SHA-256: 91cf169ef386fc1daf7c6a477ba853ad4ea3da7ee79114494f869ed47aa460e0 |
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font_01_sfnt_off000100d6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x100D6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000118e8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x118E8 | 17676 bytes |
SHA-256: da8f324809d755ca994455456b64061eae3963b57a7a3e577d7a41d0032dd5af |
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