MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by multiple heuristics and a machine learning classifier as malicious. It contains a large number of embedded URLs, many of which point to compromised WordPress sites, suggesting a phishing or scam campaign. The ClamAV detection confirms its malicious nature, identifying it as Pdf.Phishing.Trojan. No scripts were extracted, but the structure and URL patterns are indicative of a phishing lure.
Machine Learning
- Nyx PDF Classifier malicious score 0.9911
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://medvor.ru/uplcv?utm_term=can+you+scan+multiple+pages+into+one+pdf+file
- http://www.hgbehringer.de/img/files/files/69424962017.pdf
- https://elbag.net/wp-content/plugins/super-forms/uploads/php/files/aa8f6c798ffc898a1d2bf47107ee5e6c/pezimusonijikinuxeretab.pdf
- http://meandnetworking.com/ckfinder/userfiles/files/54604050955.pdf
- https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a80545784cb---likige.pdf
- https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/1afdf6397a02a42f77e2838c46f5f3fa/28591135244.pdf
- https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c1bfcb8afa0---74852309285.pdf
- http://thepokewave.com/uploads/files/bimux.pdf
- http://harasim.cz/uploaded/files/sevisiw.pdf
- http://spc1991.com/ckfinder/userfiles/files/36426219458.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8b96d4f545---44155106749.pdf
- http://findingthegrey.com/userfiles/file/felobudemiboxixut.pdf
- https://lea-inc.com/wp-content/plugins/super-forms/uploads/php/files/1f87ebe7a1a559f9e2a45fa273400350/woriram.pdf
- http://sumnerclassof1976.com/clients/4/49/49b54eafcc86ae0c30eb104ab8b91c7c/File/96440544069.pdf
- https://jmtours.co/aym_image/files/zosopoteriwudilan.pdf
- http://provia-events.de/pics/fotos/1/file/xuzijojejukubegoxugal.pdf
- https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/3f2f062f826c992ae921b8f28978ec95/noduredib.pdf
- https://www.myosiaffiliate.com/199trust/img/file/kiwixo.pdf
- http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/160adc845312e2---34980104050.pdf
- http://yaqeen-eg.com/userfiles/file/lerigok.pdf
- https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160edd5da2e66a---wuwakitanolo.pdf
- http://freestyler.cz/img/file/ponised.pdf
- http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d313b859b8---sipis.pdf
- http://olgapolyakova.com/files/files/43352803106.pdf
- https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16077fe879d493---77120784083.pdf
- https://cuatudongsaigon.vn/uploads/files/42917041737.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/7f61efe10fc172a6a57f589cfa31c836/memokizafupadufifefinima.pdf
- http://akinmedical.com/uploads/file/muvefav.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000daff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDAFF | 16792 bytes |
font_01_sfnt_off0000f316.binc5e3ccfb150b5f21c982847789b1137f25fa44de498c0cb241094e3753625919 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF316 | 11108 bytes |
font_02_sfnt_off00010cd7.bin0b8be30481acbe215b5e03d7c7425c0fd1e70f7309de360d208f48d1baec816e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CD7 | 16848 bytes |
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