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 0.9997
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://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/01d1556692cbf041434df4c6ee30eaeb/88490646228.pdf In PDF document text
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2aa254a939---vumuvebe.pdfIn PDF document text
- https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/b8ffc31cdddf6a1b1b1868db3010d70a/jalinagadopobevula.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/88596db8b7770bd619dedbec1b1e551e/53421222954.pdfIn PDF document text
- https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/2o3p1b48k3r2632aeo6lp8ubhf/877777799.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d2c94da0f4---97332447432.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/c50c0c9f1365b4544c3e6c64ad9d0b81/93122870755.pdfIn PDF document text
- http://gfb.it/upload/fck/file/fatekaxig.pdfIn PDF document text
- http://tw-go.org/files/dujeropopoba.pdfIn PDF document text
- http://dobrasekacka.cz/userfiles/file/nupaxaru.pdfIn PDF document text
- https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/adc986cc71fae32b1cdd666794f1e3fa/62012892382.pdfIn PDF document text
- https://www.oneirishrover.com/wp-content/plugins/super-forms/uploads/php/files/32e7762d7d0798bbc4e3b22745d80ba5/67015298110.pdfIn PDF document text
- https://allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/01101f9005f51337fdd24c1197d8fe61/dalopukoni.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/dnbn00k0do1n1hu0rjhdqfbh11/punubixigigizagoguvo.pdfIn PDF document text
- http://biirbeh.mn/images/content/file/1913585012.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/LPIa9PGmDLg/uplcv?utm_term=online+convert+instagram+videoPDF 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://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_off0000e0e0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE0E0 | 5344 bytes |
SHA-256: 975dec829609cf3131525188948d2a20b925e302e4cc250719eeff57aa958577 |
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font_01_sfnt_off0000f2f9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2F9 | 10804 bytes |
SHA-256: a862f67c600beb7d8219354ce26ec8ead9fe7781d50a7717347c3ba32c8e479f |
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