MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF was flagged by multiple heuristics as a link farm and potentially malicious, with ClamAV identifying it as Pdf.Phishing.Trojan. The embedded URLs point to compromised WordPress sites and other domains, suggesting an attempt to redirect the user to a malicious resource. While no scripts were explicitly extracted, the nature of the link farm and the ML classifier output indicate a high likelihood of malicious intent, possibly involving a phishing or malware distribution scheme.
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 http://www.champcaregivers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088049281d04---tazanujafupiwat.pdf In PDF document text
- https://htfcompact.com/wp-content/plugins/super-forms/uploads/php/files/20ac5b7eb7492d00f8f74ba30cfcdf93/walafipi.pdfIn PDF document text
- https://www.hontoys.com.au/wp-content/plugins/super-forms/uploads/php/files/t72rhdtfs1vlmm6081ask2ckjk/8116583442.pdfIn PDF document text
- https://augsburger-dartliga.de/uploads/file/saseta.pdfIn PDF document text
- https://kurek-rowery.pl/user_pict/file/ririgirewekosogemisote.pdfIn PDF document text
- https://rmdschoolandcollege.com/wp-content/plugins/super-forms/uploads/php/files/eeu26loup7hp84ajr92f4tqk23/75370634549.pdfIn PDF document text
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/d135853c8c1e8f9056d386b936d5edf1/wawub.pdfIn PDF document text
- https://bem-sa.com/img/file/18393738738.pdfIn PDF document text
- http://www.mondzorgvesa-voorschoten.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607ef42eaf5d4---koputipisomin.pdfIn PDF document text
- https://xn-----6kcabagcgfjsxjciriy6alkh6a7aqk.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/2ba4baf5d43bc7b1a02b150b342b7ff3/17956043122.pdfIn PDF document text
- http://cleanyachts.it/writable/public/userfiles/file/73993718618.pdfIn PDF document text
- http://domeinbeverdonk.be/assets/files/file/9198011601.pdfIn PDF document text
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/osjjsba94bqdkbvqs5sls58fm7/sikumad.pdfIn PDF document text
- https://rmissio.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16093769fefe33---97191526984.pdfIn PDF document text
- http://bioterapiazabiegi.pl/obrazy/file/21779735748.pdfIn PDF document text
- http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608fa21745ec3---girasulo.pdfIn PDF document text
- http://arcomproltd.com/userfiles/file/18166482585.pdfIn PDF document text
- http://angelojrobles.com/admin_initial_test/userfiles/file/87844054771.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/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=geometric+sequence+finite+and+infinitePDF 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_off0000e3ae.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3AE | 5292 bytes |
SHA-256: 35f825eaa00a510e8aa5d5aac8d5a06280c2e7d6710843f04e7678e31bf2229f |
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font_01_sfnt_off0000f597.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF597 | 13252 bytes |
SHA-256: fa267ba4f60d063de77e3dcb556c82688d96ab1fe7f913d8a2bce824d4ed243c |
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