MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains numerous links to external websites, many of which are hosted on compromised WordPress installations or disposable domains, suggesting a link farm designed for SEO manipulation or malware distribution. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or the delivery of a second-stage payload. No scripts were extracted, but the presence of numerous embedded URLs points to a phishing or credential harvesting attempt.
Machine Learning
- Nyx PDF Classifier malicious score 0.9997
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://infrive.ru/uplcv?utm_term=manhattan+prep+gmat+critical+reasoning+pdf PDF link annotation
- https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160bec09c729d0---56149064215.pdfIn PDF document text
- http://www.ellisrasbetonwerke.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16083d1f55778f---5385462148.pdfIn PDF document text
- http://evohome.pl/userfiles/file/57918764349.pdfIn PDF document text
- https://lawina-radom.pl/files/file/welitodepubijuroxugonenuk.pdfIn PDF document text
- http://supermarketdv.ru/files/file/50940576449.pdfIn PDF document text
- http://cementfeet.com/userfiles/file/65188721461.pdfIn PDF document text
- http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607be3bb1e00d---48749676053.pdfIn PDF document text
- https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/10994ff9967597dcc4091d6c85c86835/13403756819.pdfIn PDF document text
- http://rafaelokazakov.com/file/70484139300.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/xonotosojesozesumaz.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a342bd4a1bc---duwaboviparazope.pdfIn PDF document text
- http://carroll1975.com/clients/4/4e/4e2b018d07aaa5a30c3e4fca1c7a8df7/File/73996948388.pdfIn PDF document text
- http://xn--or3bi2da319p.com/upload/fckeditor/file/69281726352.pdfIn PDF document text
- https://wurstfargo.com/wp-content/plugins/super-forms/uploads/php/files/af102ad82a7e64517c1efe8879b3ffd0/98088843293.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/16087fac596688---sekas.pdfIn PDF document text
- http://greenlivinggarden.com/htdocs/UserFiles/file/teletugomenenotozak.pdfIn PDF document text
- http://fontawesome.iohttp://fontawesome.io/license/In PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- 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 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00011f3a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11F3A | 1720 bytes |
SHA-256: c14a298d737454491d303db2f95c64c793bf252df8a29a1be29a0e7bb0fca5f2 |
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font_01_sfnt_off000127ac.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x127AC | 5572 bytes |
SHA-256: c705dd265f4f4feebedc778e1d7dda23fa52430f5dd2d916bef9c07ac1eafc57 |
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font_02_sfnt_off00013a82.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13A82 | 11348 bytes |
SHA-256: 4d3afd41bfa0a39c4bc5a3147b27574a6ad2b80d65906b707563df0b1f61767b |
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