MALICIOUS
164
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. 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 0.9992
Heuristics 7
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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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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 https://spitalmoldovanoua.ro/ckfinder/userfiles/files/sekixada.pdf In PDF document text
- http://myucpb.net/userfiles/file/josaru.pdfIn PDF document text
- http://bike-aholic.com/UserFiles/file/44020665905.pdfIn PDF document text
- http://babamoleskine.com/files/file/tafavibixegusebonikafexes.pdfIn PDF document text
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/9n43e0phfpnp840rd1ur1pem62/gubofegobajuzutavet.pdfIn PDF document text
- http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/161120f5adc877---46238678585.pdfIn PDF document text
- https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/kj69aqbe5kr84gntes45fkd822/gejaro.pdfIn PDF document text
- http://bidwoodmachine.com/d/files/72999895371.pdfIn PDF document text
- http://yule-sign.com/upload/editor/file/20210725074454.pdfIn PDF document text
- http://conroeclassof72.com/clients/d/de/de0acc14889d5d69ce6a2e221f3e79cd/File/tekorafaxeji.pdfIn PDF document text
- http://urjabatteries.in/userfiles/file/lixoxukixabirefetijuto.pdfIn PDF document text
- https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080f45c3e0ad---78703068282.pdfIn PDF document text
- https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/b0a745b630b01721f5a905e1661dccaf/94144114352.pdfIn PDF document text
- https://alternatifhirdavat.com/upload/ckfinder/files/bazifuxumig.pdfIn PDF document text
- https://alakharia.com/public_html/userfiles/file/40696038258.pdfIn PDF document text
- http://opalbiosciences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e90d702b0b1---waparotimobinuvinibef.pdfIn PDF document text
- http://www.gunyagder.org.tr/wp-content/plugins/super-forms/uploads/php/files/9h12co0m0pthj1svu10n3ghs31/vasobobupa.pdfIn PDF document text
- http://soles2walk.cz/data/file/bekazopubujagoso.pdfIn PDF document text
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/jq550arr0gq3sdm0hrbkp74ugr/38676439327.pdfIn PDF document text
- http://saluteebenesseresas.it/userfiles/files/fugeririkamavag.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=how+to+download+apostle+arome+osayi+messagesPDF 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_off0000dfb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDFB9 | 16056 bytes |
SHA-256: 1a1da82ed23067e6242074d6ac644dd2e19da20f7e3fc0de8372f2989200789d |
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font_01_sfnt_off000108a3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x108A3 | 10928 bytes |
SHA-256: 3bdc1b8788c0aec2da3d9979da38abe5a5d06fd91c918c1bf9eff95ffca6bc9e |
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font_02_sfnt_off000121c6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121C6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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