MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. The file contains numerous external URIs and link farms pointing to potentially compromised WordPress sites, indicating a phishing or malware distribution attempt. The ML classifier also strongly indicated maliciousness.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 https://chcial.ru/uplcv?utm_term=north+community+counseling PDF link annotation
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609aa1657450f---71099407780.pdfIn PDF document text
- https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/264897cda622962dfc82e64232aff848/26364885998.pdfIn PDF document text
- http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/n9db2morie83r04dq2h46uhkr5/wasen.pdfIn PDF document text
- http://www.egavilanes.com/ckfinder/userfiles/files/70626333310.pdfIn PDF document text
- http://ldbell1965.net/clients/85689/File/34377133378.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/vjt5uvs1obkoqa23fbh1cq7bc3/18659386337.pdfIn PDF document text
- https://stakeoutllc.com/wp-content/plugins/super-forms/uploads/php/files/2285bc92f806363020ca8887d19971a7/10670460048.pdfIn PDF document text
- http://optimus.org.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609942f6a17d3---97077979605.pdfIn PDF document text
- https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/34d58ca60600ed81cd84e191bfb49792/tizebapizojadu.pdfIn PDF document text
- http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a384d192955---391838186.pdfIn PDF document text
- http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608026ca5ac08---xizekafivezedeximete.pdfIn PDF document text
- http://aiswaryamatrimonials.com/fck_uploads/file/temekabesinatalus.pdfIn PDF document text
- http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef6493ed57---11788701134.pdfIn PDF document text
- https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/39lj7hb0k2mf38cq3lojftdrrb/84352774169.pdfIn PDF document text
- https://finestblogger.de/wp-content/plugins/super-forms/uploads/php/files/jvf0k0ksfjetr6sl302t4bapo4/wubilav.pdfIn PDF document text
- http://bualuang101.com/backoffice/upload/files/79799334429.pdfIn PDF document text
- http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaf41983949---66912319300.pdfIn PDF document text
- http://mikailang.net/userfiles/file/20210503044659_1703025066.pdfIn PDF document text
- http://www.drop-lok.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097e21e74fad---vizuwuk.pdfIn PDF document text
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/16098332d860b4---dizigomopunumibapadilerif.pdfIn PDF document text
- https://ebooksweb.net/files/file/zinabokavositun.pdfIn PDF document text
- https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160861ddcd5c8f---linabalo.pdfIn PDF document text
- https://chetanaus.org/bheru/uploadfiles/file/remabinonenonotapex.pdfIn PDF document text
- http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/160944ae5b00a6---3230617070.pdfIn PDF document text
- http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1609203c570cc7---vobolimesaterajunijibe.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_off0000f20d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF20D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010a24.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10A24 | 10704 bytes |
SHA-256: 393f36142221154b0cbb3127fbc9e60ebbff7c5009f033c8c41ed08ccf7911c4 |
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font_02_sfnt_off00012296.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12296 | 16900 bytes |
SHA-256: 804555620c4ce45b7b6b2f4807f127201fd095ca75c495ed5049792e4d33d0c5 |
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