MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged by multiple heuristics as malicious, including a critical ClamAV detection and an ML classifier. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites hosting other PDF files. These links likely serve as a lure for phishing or to download further malicious payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://wastran.ru/uplcv?utm_term=hand+pressure+grout+pump PDF link annotation
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a50378da54---wasigas.pdfIn PDF document text
- https://hoovermaids.com/wp-content/plugins/super-forms/uploads/php/files/6815bc5f359d5d05dc89e6484cef5bc6/76576815729.pdfIn PDF document text
- http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/f4d545e847aaca2ea1ffcb30a1d8cbb8/37924990775.pdfIn PDF document text
- https://andrejc.si/files/file/nuxanudojipajezof.pdfIn PDF document text
- https://amrapalispot.com/userfiles/file/mawuwazapevizewitaw.pdfIn PDF document text
- http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160b1309b06fd2---duminololidoxarit.pdfIn PDF document text
- https://www.lightingdynamics.com/wp-content/plugins/super-forms/uploads/php/files/2f1c22e338ad7c7db22201a5aaa7408c/dilujunibabijakuterij.pdfIn PDF document text
- https://arerp.kr/data/file///93253650685.pdfIn PDF document text
- http://jamoncup.es/wp-content/plugins/formcraft/file-upload/server/content/files/160c37af7380a4---natafopofin.pdfIn PDF document text
- https://myupfield.link/wp-content/plugins/super-forms/uploads/php/files/9gpjgahq3shggufjigbhpe83cr/geromaxuzipatub.pdfIn PDF document text
- https://hazeloyun.com/calisma2/files/uploads/lexijiwemunobenoxafosu.pdfIn PDF document text
- https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/id3oo69lvrtc527iia2j9mdpr5/52462272281.pdfIn PDF document text
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a2b25adb3aa2949780c4d1d3bb37f160/tovavafatenatinusuwi.pdfIn PDF document text
- http://tencanpowder.com/d/files/59404778406.pdfIn PDF document text
- http://cristal-in.fr/userfiles/file/malagesosegizulewagezaw.pdfIn PDF document text
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/0f4b900d8dbd0cfdb192eb9ed9809283/66541261265.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000ec11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEC11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0001041e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1041E | 1672 bytes |
SHA-256: 3f1748778f03e7b7e2d3a6c88ca15ef060a02f224cd71155e662fde9dd4c56c7 |
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font_02_sfnt_off00010c11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C11 | 10688 bytes |
SHA-256: bffee0d4ea6be28d31f2fc02767dcc19d2d796f24549605f8a7193d81bd2a384 |
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font_03_sfnt_off0001244a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1244A | 18044 bytes |
SHA-256: 51ddc17ac4a799ea2a1d7cd7f137e608b9e6e4341b01612242085bec613d9e04 |
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