MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was identified as malicious by ML classifiers and ClamAV, indicating a phishing or malware distribution attempt. It functions as a link farm, with numerous embedded URLs pointing to compromised WordPress sites, likely serving as a distribution point for further malicious content. The use of compromised CMS upload storage and disposable hosting suggests an effort to obscure the true origin of the malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/0d2bd61458de5de4ccfcb2043562fb49/28170337242.pdf In PDF document text
- https://nicemexico.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fdef8d8af---mefipefuwederu.pdfIn PDF document text
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad997ba64be---pumiduwujiw.pdfIn PDF document text
- http://geyikkimya.com/userfiles/upload/file/62789322822.pdfIn PDF document text
- https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/ee46967248424275d543df7c5f29b387/ruwiwelodakiruneju.pdfIn PDF document text
- https://irrisyst.eu/files/file/42486335444.pdfIn PDF document text
- http://satakantaresort.com/user_img/files/47717611993.pdfIn PDF document text
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/92287695474.pdfIn PDF document text
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/897fc64f9ca5be74632e80a681be2d8e/23890531155.pdfIn PDF document text
- http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/6ikj050ua278099t1obif10vo5/51344804644.pdfIn PDF document text
- https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad2b3636cd---bobodemoguvu.pdfIn PDF document text
- http://fabtur.ru/upload/files/dasifexubasalol.pdfIn PDF document text
- http://zonazero.es/userfiles/file/rikasimajunamumolenate.pdfIn PDF document text
- http://tai-yang.tw/taiyang/upload/file/vojubutozojitifepatulu.pdfIn PDF document text
- http://vom-ragnaroek.de/uploads/file/31707077468.pdfIn PDF document text
- http://mognational.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c7bfc7b445---39533759815.pdfIn PDF document text
- http://aftckwt.com/uploads/file/kapunewil.pdfIn PDF document text
- http://mebell-city.ru/ckfinder/userfiles/files/41677969780.pdfIn PDF document text
- http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c63da92790f---dekovixetabupirave.pdfIn PDF document text
- https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b4364f45513---96522870215.pdfIn PDF document text
- https://sg-design.top/wp-content/plugins/super-forms/uploads/php/files/52b3bf3e7716004e24d5cd2b6229381c/xotasebokovewazuneruzamav.pdfIn PDF document text
- https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/6009a35822a8000777d883fb2ed96cdd/56732600862.pdfIn PDF document text
- https://lightsourceindiana.com/wp-content/plugins/super-forms/uploads/php/files/2cb24892eab3f6e4ded1395d6526ea1e/bopegorugek.pdfIn PDF document text
- https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d41fed49a---97662371341.pdfIn PDF document text
- http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609274ed31585---tukizoziki.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=peak+property+and+casualty+insurance+corporation+phone+numberPDF 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_off0000f15e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF15E | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off00010975.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10975 | 11224 bytes |
SHA-256: 85c3795cb4876e18a1ff60c43948d19710e8cc029da62e77843d71d5e14aae0d |
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font_02_sfnt_off00012362.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12362 | 16640 bytes |
SHA-256: 8d48ac42da083555c36ad5dcd333a1885080e189561509bfc0eeb75efdaa25df |
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