MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malicious content distribution intent. The document functions as a link farm, containing numerous external URLs, many of which point to compromised WordPress sites. These links likely serve to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/16094d036b4aa8---2604630999.pdf In PDF document text
- https://travolution.travel/wp-content/plugins/super-forms/uploads/php/files/9e4a8b99f41cb50ab93260cb3fe35efc/36289260123.pdfIn PDF document text
- http://15fratrowreunion.com/clients/2/2b/2b18ccadde375fd95e9ac2d5db5aaa67/File/72904739353.pdfIn PDF document text
- http://huiking.cn/uploads/file/112253223022.pdfIn PDF document text
- https://bibliotheque-des-arts.ch/ckfinder/userfiles/files/ratawamuxarodidutoruxik.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/5ip2lhr949l4iuuscqltkm4aor/64424206876.pdfIn PDF document text
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a931d2a8747---mudiwilesujimo.pdfIn PDF document text
- https://citronixdeflection.com/nbloom/fckuploads/file/23880891170.pdfIn PDF document text
- https://veterinarycarefoundation.org/userfiles/file/96459790058.pdfIn PDF document text
- https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3a2220b5b2---93833407290.pdfIn PDF document text
- https://calendarsunrooms.com/userfiles/files/batepatuxonudunasoba.pdfIn PDF document text
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/rufitasi.pdfIn PDF document text
- http://sbnjl.com/userfiles/files/sazugexidugaxod.pdfIn PDF document text
- http://www.onlinetemsilci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160732c439f53c---85411223871.pdfIn PDF document text
- http://rajskiewakacje.pl/userfiles/file/tutipagigifowe.pdfIn PDF document text
- http://flambotour.it/themes/userfiles//files/64600615868.pdfIn PDF document text
- http://alnadaoil.com/userfiles/file/28232247080.pdfIn PDF document text
- http://ingpiazza.eu/userfiles/files/8570411685.pdfIn PDF document text
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609cc82457da8---9479387302.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/81420957080.pdfIn PDF document text
- https://www.lowdoc-loans.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160af2714b3d24---vaziwow.pdfIn PDF document text
- http://exactblue.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba910fcef72---45632499560.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/4256e0f42e741e504d164477493bb7a7/95276656865.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=long+goatee+stylePDF link annotation
- https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/b7a66bc3787fa87871ee08de933d1627/33948151177.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_off0000eb38.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB38 | 17008 bytes |
SHA-256: dce61e6f819d799c40e5bf1c9356620ad667cf273fd3bccb1cfddfb26c3e084e |
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font_01_sfnt_off00011747.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11747 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012f5e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F5E | 10164 bytes |
SHA-256: d1af183c29adb50c8517a81fa268765d6e242c80fd670a132ad536558f087b3e |
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