MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The embedded URLs and link farm heuristics suggest the document is designed to redirect users to compromised websites, likely to download a secondary payload. The document body's mention of 'install jre 8' further supports the lure of a software update or necessary component.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093b887788a8---nodobanidipi.pdf In PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ceded1d2eb---28952169154.pdfIn PDF document text
- http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd981be36e---64227030662.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb2bdc99f70---kugemodita.pdfIn PDF document text
- http://cloverpark1959.com/clients/51168/File/sajekarabojubuludizunox.pdfIn PDF document text
- http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/160adf046eba47---85978699137.pdfIn PDF document text
- http://dossalas.com/wp-content/plugins/super-forms/uploads/php/files/378cbba90079eb1db706c4dfb7831824/dozanip.pdfIn PDF document text
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3ca714b9e---derivevivunofus.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608008c0576db---47816586888.pdfIn PDF document text
- http://muzeumostrowiec.pl/obrazy/file/96178200223.pdfIn PDF document text
- https://atpl.aero/ckfinder/userfiles/files/92697822175.pdfIn PDF document text
- https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5fbbabc18---64586929302.pdfIn PDF document text
- http://j-line.ca/fck_upload/file/90489524178.pdfIn PDF document text
- http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/ohobeks55385sr0fjfpa931rf5/wosakofapa.pdfIn PDF document text
- https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/k5565ll0b2u6sfk72g3124ut1s/zorafobunufexe.pdfIn PDF document text
- http://christembassydocklands.org/wp-content/plugins/super-forms/uploads/php/files/d90296c879e97bd560450a115590efd6/61747016964.pdfIn PDF document text
- http://xn--80aamdqpfpr.xn--p1ai/upload_picture/18657714871.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/FevRqgeaUVY/uplcv?utm_term=install+jre+8PDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000c959.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC959 | 4888 bytes |
SHA-256: a4762638c5ca7d618078a27c484df0b821ac21850693e6ad42fa537fb1282472 |
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font_01_sfnt_off0000da01.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDA01 | 10480 bytes |
SHA-256: c50aa4db52938abd695b7f611380c60a1cf6f643c21a702be02dcd9b27cc543a |
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