MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was identified as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to multiple compromised WordPress sites and disposable hosting domains. The embedded URLs suggest an attempt to distribute further malicious content or conduct phishing operations.
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://slowjamsundays.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d1273fee4---99700427522.pdf In PDF document text
- http://burelomdo.com/ckfinder/userfiles/files/47990259381.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/17ea5719d5d0b9060f0808759bf53998/zobojoloforejutot.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b1da1390bc---xemefoxazixaguterijomab.pdfIn PDF document text
- http://learningkey.org/userfiles/mexekodegofamonozazedip.pdfIn PDF document text
- http://gernano.eu/gfx/userfiles/files/60943104762.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/7510287506.pdfIn PDF document text
- http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1609e0c08d99b8---bakikudoxavarezaku.pdfIn PDF document text
- https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/ed8368357a4623d229a3ab97b85fbece/wefeg.pdfIn PDF document text
- https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072314d3ce0f---pakaz.pdfIn PDF document text
- http://jrpst.pl/userfiles/file/denige.pdfIn PDF document text
- http://jjmcp.jp/userfiles/Image/file/zolelimomuzifumegovapi.pdfIn PDF document text
- http://etpatatietpatata.com/userfiles/files/97660634806.pdfIn PDF document text
- https://davidfauquemberg.com/home/fauquemb/david/bbdg_site/userfiles/file/12856266031.pdfIn PDF document text
- http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5b57a75044---xenedozirobi.pdfIn PDF document text
- http://zonwering-nederland.eu/ckfinder/userfiles/files/10918190296.pdfIn PDF document text
- https://yuktiedu.com/wp-content/plugins/super-forms/uploads/php/files/fa768807908de5f428af1a3b8c3ac473/890218982.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/BkSY9tpko7c/uplcv?utm_term=insomnia+the+enemy+of+sleep+answersPDF link annotation
- http://janyska.home.pl/_mjanyska2013/fotki/file/vutom.pdfIn 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 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000e984.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE984 | 5272 bytes |
SHA-256: 0f4a789788b430ce240267144332ee7d9603f19a781413f4545293763c6e7168 |
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font_01_sfnt_off0000fb5b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB5B | 10492 bytes |
SHA-256: 2a2a50272e76152d0a0957ee4642b5b0d4c475dce7a4588e240fec28eab6cd77 |
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