MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is often used to redirect users to malicious websites or download further payloads. Several heuristics indicate the PDF is part of a link farm, with many URLs pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution campaign. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports this assessment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9963
Heuristics 7
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/161401b0946384---tubexumazixu.pdf In PDF document text
- http://primebrokeragetx.com/ckfinder/userfiles/files/4437142490.pdfIn PDF document text
- https://cometsecurity.in/admin/userfiles/file/gutugulagituzezogazutomo.pdfIn PDF document text
- https://silatur.com/js/ckfinder/userfiles/files/linelejomiwofaxova.pdfIn PDF document text
- https://reniuved.it/file/93291781270.pdfIn PDF document text
- http://numere-mopede.ro/mm/file/ritov.pdfIn PDF document text
- http://yucehukuk.com/resimler/files/tavagaxuvusejugomaxewagek.pdfIn PDF document text
- https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b82dcead4d---fogekomodijifomur.pdfIn PDF document text
- http://coeb.eu/userfiles/files/55335309234.pdfIn PDF document text
- http://anapharmata.hu/ckfinder/core/connector/php/files/tuzigalokixutemuvonewalad.pdfIn PDF document text
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e2fe915b54---94691585491.pdfIn PDF document text
- https://bushregenerators.info/userfiles/files/70931507559.pdfIn PDF document text
- http://netmode.net/app/webroot/uploads/files/3045150520.pdfIn PDF document text
- http://al-bandak.com/userfiles/file/gibefatoja.pdfIn PDF document text
- http://askort.pl/Upload/file/4442037664.pdfIn PDF document text
- http://www.romanschatztruhe.de/img/files/wenoxabofofepireke.pdfIn PDF document text
- http://rentator.com/uploades/fckeditorfile/rumaxatizevu.pdfIn PDF document text
- http://hasicimosnov.cz/foto/Image/file/62140003749.pdfIn PDF document text
- http://bajajsports.com/userfiles/file/83672409339.pdfIn PDF document text
- https://xn--fiqa735be48e.com/upload/files/45016222337.pdfIn PDF document text
- https://vinniescustoms.com/userfiles/files/tetedagowevovuvopenesipa.pdfIn PDF document text
- http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d941caea32---25584121020.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=note+10+sd+slotPDF 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_off0000bd05.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD05 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000d517.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD517 | 17428 bytes |
SHA-256: a1261a21476699209d449ff6ac67eff9907b15a36b66db4031c868925dc0b0b9 |
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font_02_sfnt_off00010271.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10271 | 9932 bytes |
SHA-256: 74354c164423a0de49eb99580cf3238dc03f6c9b1f42afa25b55a2e3fba4a89f |
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