MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. It contains numerous links pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious or phishing content. No scripts were extracted, but the structure and URL patterns are indicative of a phishing or malware distribution lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
Heuristics 6
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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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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://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/adc615ab1b2afcbb4d1c95f40245417b/43454018301.pdf In PDF document text
- http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b9af04d021b---fudibiravivagoz.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d9dd5dc71---42420112261.pdfIn PDF document text
- http://ttc-investco.com/img/files/zajopidiselijip.pdfIn PDF document text
- https://givemeit.ru/wp-content/plugins/super-forms/uploads/php/files/41b4a2f17da27ceb150adba0ca65888f/32118185142.pdfIn PDF document text
- https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/fbi0li3c9rnthc8nqracuqtbbl/37963046042.pdfIn PDF document text
- https://cal.lighting/wp-content/plugins/super-forms/uploads/php/files/c11e083a612084a1f2e03e8d7d293b8a/16349798287.pdfIn PDF document text
- https://www.booster-p.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8a62386c0e---20757465081.pdfIn PDF document text
- https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/20a1cbb7fe2565a6ffbba2b7f5a80d46/lapetegemovobalamos.pdfIn PDF document text
- http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609bee52bd803---vamajibakezoxusuxemamu.pdfIn PDF document text
- https://lecapsuledigian.it/file/xanufo.pdfIn PDF document text
- http://pkynfe.net/userfiles/file/99793152802.pdfIn PDF document text
- http://diagonal.org.ar/wp-content/plugins/formcraft/file-upload/server/content/files/160b9f6a134d48---48508798353.pdfIn PDF document text
- http://kemenyseprosiklos.hu/upload/file/tavule.pdfIn PDF document text
- https://sharzh-ufa.ru/wp-content/plugins/super-forms/uploads/php/files/29d9a0bad16b3062672c4e32795220da/paxegexatepiranax.pdfIn PDF document text
- http://nuraski.pl/wsg/userfiles/53006759799.pdfIn PDF document text
- https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/b9f8cd2b82f260287e0c5f9b2d57a337/fegekujulil.pdfIn PDF document text
- https://habibitours.net/ckfinder/userfiles/files/ginaposezum.pdfIn PDF document text
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c687cc940f---bunawofodewotowovaguzisu.pdfIn PDF document text
- http://perles-del-beya.com/userfiles/file/90202499435.pdfIn PDF document text
- http://www.alex-vasilkov.ru/images/wisdom/file/21147605076.pdfIn PDF document text
- http://smartcookieacademy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160757cd6d746d---29540184745.pdfIn PDF document text
- http://hometextiles-consultant.com/ckfinder/userfiles/files/60735516194.pdfIn PDF document text
- http://clearlakesd.org/wp-content/plugins/formcraft/file-upload/server/content/files/16099d88b4f570---towigameruga.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=practical+person+definitionPDF 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_off0000edc3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDC3 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off000105da.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DA | 10616 bytes |
SHA-256: c114210e330ace2b0a9d2dafa4ee19b3f01137cb48802a36e68dce95b9bc110e |
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font_02_sfnt_off00011e30.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E30 | 16840 bytes |
SHA-256: 19677b5190a7d258a55496e32b288e09528b03daa880efae027dd33308ba5243 |
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