MALICIOUS
172
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. It uses an urgency-based lure. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9982
Heuristics 8
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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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Urgency / deadline lure low SE_URGENCY_LUREDocument contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://carlaschroyen.com/content_docs/gutovokamulagu.pdf In PDF document text
- http://blankheich.de/images/uploads/file/bisupebiti.pdfIn PDF document text
- http://www.afurg.com.br/assets/ckfinder/userfiles/files/59540182393.pdfIn PDF document text
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/1ebb87973270383a061b0331f4bd9dc4/tolaxirawemanigos.pdfIn PDF document text
- http://farmaciafici.com/userfiles/files/koworilaropopaxotix.pdfIn PDF document text
- https://topclassgardening.nl/images/file/2118592558.pdfIn PDF document text
- https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/fb652f5fa517a856a093e6497b3cd1fd/dopunabatowunipev.pdfIn PDF document text
- https://noukos.gr/wp-content/plugins/formcraft/file-upload/server/content/files/16089d3a2038a9---rasegubebozigiwar.pdfIn PDF document text
- http://nedirajtebosnu.net/userfiles/file/bufazeba.pdfIn PDF document text
- http://formel1vermietung.de/userfiles/file/sovowupuzisojaxasoletatu.pdfIn PDF document text
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160846d38cfb7c---munameno.pdfIn PDF document text
- https://mission4recruitment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d794916002---wamebemakas.pdfIn PDF document text
- http://animalscipublisher.com/files/upfiles/file/xapokukeguzolipadi.pdfIn PDF document text
- http://macautemple.com/userfiles/file/fepuwovurabowopikub.pdfIn PDF document text
- http://massarentearchitettura.com/userfiles/files/54524609000.pdfIn PDF document text
- http://oicenglish.com/imagexx/files/25934113437.pdfIn PDF document text
- http://starlightcelebrates.ca/clients/4/43/43e9139217482d7666ce300faf566241/File/75260575901.pdfIn PDF document text
- http://dieukhactransam.com/uploads/files/xozada.pdfIn PDF document text
- https://mn-lawfirm.com/box/userfiles/file/gofizosoreziv.pdfIn PDF document text
- https://www.alignerco.ca/wp-content/plugins/super-forms/uploads/php/files/2d534a703d2b9a033248e234877cdaba/dovajotexibugo.pdfIn PDF document text
- http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16120e2fa40899---21370120294.pdfIn PDF document text
- https://call-life.com/ckfinder/userfiles/files/tozazivofu.pdfIn PDF document text
- https://betenrealestate.com/sites/default/files/file/puxireluzinosepizudalope.pdfIn PDF document text
- https://markyatirim.com/resimler/files/59385895670.pdfIn PDF document text
- http://kiddeefire.com/media/userfiles/files/75201958173.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=befikre+full+hd+movie+download+pagalworldPDF 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://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_off0000e05b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE05B | 11076 bytes |
SHA-256: 22a4dcb4430d527f48983ba5fadc0bdf0ab92d1c3c360cba3d1bba2b8af113e5 |
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font_01_sfnt_off0000f9c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000111d8.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111D8 | 18632 bytes |
SHA-256: be18fdd0a30af065ebc860e27b17e611cfb6f26f8ed952c9f52f5e02397d1010 |
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