MALICIOUS
124
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a link farm pointing to numerous distinct hosts, many of which are identified as compromised CMS uploads or disposable hosting. ClamAV detected this file as Pdf.Phishing.Trojan, indicating a malicious intent. The primary function appears to be redirecting users to potentially malicious content hosted on these compromised sites.
Machine Learning
- Nyx PDF Classifier suspicious score 0.3497
Heuristics 5
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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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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.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e40d6638d---dipoxizivetenigibopazuf.pdf In PDF document text
- https://donnasalon.ru/wp-content/plugins/super-forms/uploads/php/files/9b3f23f3e3c2a859202236cce6675e65/87944955250.pdfIn PDF document text
- http://iuf.kr/pds_down/files/6018590594.pdfIn PDF document text
- https://canvasations.com/wp-content/plugins/super-forms/uploads/php/files/6fac98799cf2ce57502dc2ad13a64ee8/medozisekawekivadu.pdfIn PDF document text
- https://tomorrowhubs.com/upload/users/files/xujowasunokadudex.pdfIn PDF document text
- http://vietcem.vn/public/default/ckeditor/files/67222869111.pdfIn PDF document text
- https://athensviptour.com/wp-content/plugins/super-forms/uploads/php/files/e2cddfec9656be6f9878185efb8800b9/79300959738.pdfIn PDF document text
- http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/1610079a23ed46---88809673191.pdfIn PDF document text
- https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/sfvf49eteg7v5jq9g73njbr0pe/witazukow.pdfIn PDF document text
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/00d62c088df5265982d1ba4cee9fd9bc/marigateve.pdfIn PDF document text
- http://markone-tools.com/upload/files/misazibagepogemexum.pdfIn PDF document text
- http://motorlustor.net/userfiles/file/besuwumaboru.pdfIn PDF document text
- http://tianfonmm.com/d/files/xulewumas.pdfIn PDF document text
- https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/o7582g4krbiuo9llbpp89cnb27/65675132721.pdfIn PDF document text
- https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/gvpmf3lrtabd67udru06bq2l7e/sesenavakobovotavig.pdfIn PDF document text
- https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160849924d0c41---60763939445.pdfIn PDF document text
- http://takeacode.net/user/d41d8cd98f00b204e9800998ecf8427e/file/pijezugag.pdfIn PDF document text
- https://eccdc.org/application/webroot/userfiles/file/94926593463.pdfIn PDF document text
- http://johndanton.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/taxerimijutefedowixolowir.pdfIn PDF document text
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/7b5ce4ac79a289c85cbd57875f9253cf/julonum.pdfIn PDF document text
- https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/9777ecf115ab67934c96b22df167f9c6/kozolapefezo.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e2a1c2df1bb---fezumiragakibitex.pdfIn PDF document text
- http://www.emploi.nat.tn/ckeditor/ckfinder/userfiles/files/renopituganolejugokabewo.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=poultry+layers+housing+design+pdfPDF link annotation
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000fd27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD27 | 10992 bytes |
SHA-256: dac171a3681d1cd34552f9197cc33ef67a8f37eec748e976b7e506af6e58fe9f |
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font_01_sfnt_off0001167a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1167A | 17076 bytes |
SHA-256: fec5bb92dcdb8a3e1d4ddbd026dc075a604e16e73618821e22b2b2eb0d232877 |
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