MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links to external websites, many hosted on compromised WordPress sites or disposable domains, suggesting a phishing or scam campaign. The presence of a link farm and the use of UTM parameters further support this conclusion.
Machine Learning
- Nyx PDF Classifier malicious score 0.9990
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://oniceh.ru/uplcv?utm_term=cerebro+triuno+libro+pdf PDF link annotation
- http://anandtouristcorporation.com/uploads/68547859335.pdfIn PDF document text
- https://bluza-shop.ru/content/File/sokozenaxolas.pdfIn PDF document text
- http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/b6a53166df2072235e4e9f198cf9e673/69218339355.pdfIn PDF document text
- http://teenmag.cz/userfiles/file/vademonajukexex.pdfIn PDF document text
- https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/53cf45cd0e1d7d6c5a69aa0714a4b13e/gugusugupog.pdfIn PDF document text
- https://www.mybizwebsites.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097066527fea---72003070182.pdfIn PDF document text
- http://chaodontuonglai.vn/uploads/ck_upload/files/runojowutejagadosulomo.pdfIn PDF document text
- http://xn----ctbguteehkho5h.xn--p1ai/ckfinder/userfiles/files/bakiwixesugiwakiravaneli.pdfIn PDF document text
- http://nenorm.com/files/files/netifivid.pdfIn PDF document text
- https://laxmigrouppune.com/wp-content/plugins/super-forms/uploads/php/files/d405e4b387836713607045cc2714c33d/deladarilojudugibe.pdfIn PDF document text
- http://akicgiyim.com/userfiles/file/74278768749.pdfIn PDF document text
- http://tivatijapan.com/uploads/userfiles/file/guzadejudodij.pdfIn PDF document text
- https://www.karavanlakesfet.com/wp-content/plugins/super-forms/uploads/php/files/36bbc1362ed776476aeba7c342791627/vebazokobemibuwatajimori.pdfIn PDF document text
- https://kicksomeglass.com/wp-content/plugins/super-forms/uploads/php/files/c9507111de8c17b17921aa9d26923d5e/wogibugekotijakeselow.pdfIn PDF document text
- http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075aeace81e6---levifotadutuzeze.pdfIn PDF document text
- https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/5481a003bb06f68d1c85e14703405edc/domewobeber.pdfIn PDF document text
- https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/3df03491d065afb4b853a7741038bea3/35163746023.pdfIn PDF document text
- https://www.getfitcrew.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b4ab384bbd---15970209157.pdfIn PDF document text
- https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/f6orun8rvglerc0vj7t6osjoqo/4164500818.pdfIn PDF document text
- http://jacksonreunion.org/clients/71346/File/fagukumetoziromuvof.pdfIn PDF document text
- https://surupaceanu.ro/ckfinder/userfiles/files/54514405491.pdfIn PDF document text
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/16098b75a659a3---42041255521.pdfIn PDF document text
- http://scissortailfarms.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088daa71aba6---fuzosinokujibolorovikagu.pdfIn PDF document text
- https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/16078ed3f19122---23044027988.pdfIn PDF document text
- https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/lksalb2gnn6n05rvg8u3713t0e/41942167740.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_off0000f553.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF553 | 18160 bytes |
SHA-256: 13476eac22d876a8f638976ce50ffe058dded4bce3b448eea86d970ee5cbb39d |
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font_01_sfnt_off00012386.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12386 | 10432 bytes |
SHA-256: 3ebc053363f75a9ba3ddf9502c9db2cdf28a211300617de533eb24f0d10ef0eb |
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font_02_sfnt_off00013b05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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