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. Heuristics identified it as a link farm pointing to compromised WordPress upload storage and disposable hosting, suggesting a phishing or malware distribution scheme. The embedded URLs, while numerous, do not appear to be directly executable, but their presence on compromised sites is suspicious.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e7b68e08e1---togezatataxuri.pdf In PDF document text
- https://www.swissfillon.com/wp-content/plugins/super-forms/uploads/php/files/055df1bb915f2804cd82233c439b3b21/monulokowebigu.pdfIn PDF document text
- http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6f2228a73---duzikowaxoxenekoj.pdfIn PDF document text
- http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160788f9c9a267---memuzimijojavujiduvam.pdfIn PDF document text
- https://ehblending.com/wp-content/plugins/super-forms/uploads/php/files/a0bb391a7f483f04872f5e7e34ebb99e/94146072414.pdfIn PDF document text
- https://totounited.com/contents//files/tevixunolitivejef.pdfIn PDF document text
- https://study-go.info/wp-content/plugins/super-forms/uploads/php/files/2c7f3c6f075f44631c448cb53c7d18b5/83488137187.pdfIn PDF document text
- http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/kjcfiaslc3gmh45mf5fraodgoe/julabadejujapuj.pdfIn PDF document text
- http://xn----8sbpvg0afdbe.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/qgei062nu98q3ihv1iijd144t2/41305210696.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7fd09e00e---97836112957.pdfIn PDF document text
- http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f2040f7d3---rerukadikefuzari.pdfIn PDF document text
- https://xlspandoek.nl/userfiles/file/81040105774.pdfIn PDF document text
- http://china-zzld.com/uploadfile/file///2021061601383566.pdfIn PDF document text
- http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/qmvi931gqdh65jpnprct0nk6d0/88406383197.pdfIn PDF document text
- https://djennebeads.com/nbloom/fckuploads/file/37090792020.pdfIn PDF document text
- https://alshamiltrading.com/alshamilfiles/file/98778710086.pdfIn PDF document text
- http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/47fe3c88ace0d0ce47c16131bc523c0b/41659000617.pdfIn PDF document text
- http://kmsenior.org/file/files/tiwazowopovefofijus.pdfIn PDF document text
- http://skup-laptopow.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfdb884e064---357793271.pdfIn PDF document text
- http://msslink.ru/userfiles/files/48180684563.pdfIn PDF document text
- https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1606cfa25c1f63---16034426674.pdfIn PDF document text
- http://solemarservizi.it/userfiles/files/fefokijalisijir.pdfIn PDF document text
- https://vakukh.ru/wp-content/plugins/super-forms/uploads/php/files/438632ab19ca1a62a30bda4df4a25d41/70539946920.pdfIn PDF document text
- http://www.medical-psychology.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160a3dd4bf09ba---dikutabofitopuwofolekugaz.pdfIn PDF document text
- http://sosnovgeo.ru/userfiles/file/biponipimapize.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=daily+word+problems+grade+5+answer+keyPDF 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_off0000e66d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE66D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000fe7f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE7F | 17292 bytes |
SHA-256: 4a871d97ea727e6a9c83ae038542574dec794d02925d650eb55aa6b8d76b7a6d |
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font_02_sfnt_off00012b7a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12B7A | 11204 bytes |
SHA-256: 7d4a206bbe0af1682621641cd48c0346067fbe6a0bc463eb0ab1b967a081fe7f |
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