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. Heuristics reveal it functions as a link farm, pointing to numerous compromised websites, many of which are hosted on disposable domains. This pattern is commonly used to distribute phishing content or further-stage malware. No scripts were extracted, but the numerous external links suggest the primary attack vector is directing users to malicious external resources.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c17cda7b11d---rejuxupurewowezazak.pdf In PDF document text
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9c4213e2a---sofutevo.pdfIn PDF document text
- http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609656784e3cb---75918661478.pdfIn PDF document text
- http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3834d85ab4---kanorikopigisibapaj.pdfIn PDF document text
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0b7c9f2a203f09778b1981cddfa3dce/rirolawidiwaki.pdfIn PDF document text
- http://geotersrl.it/file/litawifikokuzaputekojo.pdfIn PDF document text
- https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/28bfc9ceeb9a207e920e6c13869b9682/tinaketetole.pdfIn PDF document text
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/6hb3b2808mnbgau8qq5579mejv/waberifolodesikusam.pdfIn PDF document text
- https://xn----7sbabak5acz7byau.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/4e747fe034b21ab28889eb10c147ff10/99060415864.pdfIn PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d938c1abdbc---vezeditabujafefat.pdfIn PDF document text
- http://progfin.pl/userfiles/file/lowibobuzitatozejutodejob.pdfIn PDF document text
- http://cambridgekapurthala.com/damana/userfiles/file/5644175454.pdfIn PDF document text
- http://mirembeestate.co.ug/wp-content/plugins/formcraft/file-upload/server/content/files/160a73ce1c9e6f---31899481162.pdfIn PDF document text
- http://cdseoulps.com/uploadfile/fckeditor/file/49253518274.pdfIn PDF document text
- https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160965f4d459e8---jofogobamojota.pdfIn PDF document text
- https://coachtourbusrental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608947e7299ea---65710802328.pdfIn PDF document text
- http://abwcoliseum.com/uploads/files/wifukusikodataxiwejubomun.pdfIn PDF document text
- https://adreshosting.com/calisma2/files/uploads/10445248316.pdfIn PDF document text
- http://bugaboo-buffalo.eu/UserFiles/File/nowivuzez.pdfIn PDF document text
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f4f013b111---ramugozezuwiniw.pdfIn PDF document text
- https://qamarapps.com/wp-content/plugins/formcraft/file-upload/server/content/files/160750afbb3143---roduvevejaxob.pdfIn PDF document text
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/160775791d0ed0---62241500318.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/5bd29c20f4c695d954742aaa8f717b77/winowaxajomirevomupek.pdfIn PDF document text
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/1607d49147e119---xefomemane.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/f07c44a5680aafa52dcd96d78779802b/64090178151.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=short+sightedness+is+also+calledPDF link annotation
- http://kioskcondoweb.wpengine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cbf03158b4---fugetepalereludakobub.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://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off000109c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109C6 | 17040 bytes |
SHA-256: c87642a14139fce42c411ea44272c8b2a6b05bf127e944c781eb7105d7363d90 |
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font_01_sfnt_off0001360b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1360B | 10724 bytes |
SHA-256: 6a8d217db13aca80c819c64b0ff5aa15e192ab22eee0bfde180601c3baeb7ee7 |
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font_02_sfnt_off00014e69.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14E69 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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