MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript, which is a common technique for executing malicious code. Additionally, numerous URLs point to compromised WordPress sites, suggesting a link farm designed to host or redirect to malicious content. The ClamAV detection and ML classifier strongly indicate a phishing or trojan payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9984
Heuristics 7
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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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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://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/26420cf01cc34c14c743ed5dac0efa83/74778476378.pdf In PDF document text
- https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/01c34ebc827243aa72d63831845528a1/pegaxebemokubuvus.pdfIn PDF document text
- http://engroupe.ca/aym_image/files/vujawamug.pdfIn PDF document text
- http://innotec-industrie.be/userfiles/file/putikov.pdfIn PDF document text
- https://tybistanbul.org/resimler/files/29445471281.pdfIn PDF document text
- https://mashtalkandil.com/userfiles/file/36471812252.pdfIn PDF document text
- https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/43314125964.pdfIn PDF document text
- https://soudurelauziere.ca/upload/editor/file/goporebepelixig.pdfIn PDF document text
- http://sjar-tech.com/uploadfile/file///2021091214452083.pdfIn PDF document text
- https://tatsolarlight.com/uploads/files/70042434132.pdfIn PDF document text
- https://karapinler.com/calisma2/files/uploads/bimalalerarogutureter.pdfIn PDF document text
- http://www.saveurspoitoucharentes.com/admin/ckfinder/userfiles/files/94126713516.pdfIn PDF document text
- https://pakianco.ir/data/image/uploads/news/files/4682011445.pdfIn PDF document text
- http://www.icareonline.net.au/ckfinder/icare/files/badoba.pdfIn PDF document text
- http://topspeed4wd.com/ckfinder/userfiles/files/wokiresepizijipunarew.pdfIn PDF document text
- https://imihwa.com/uploads/image/20210914/files/20210914152934.pdfIn PDF document text
- https://alohasafaris.com/files/83407121851.pdfIn PDF document text
- https://kede.org/userfiles/file/49117530234.pdfIn PDF document text
- https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/4c83c2e81de46343afb5bc7b174fa68d/kafoxajojana.pdfIn PDF document text
- https://aquamedicasatumare.ro/ckfinder/userfiles/files/51245554411.pdfIn PDF document text
- http://knx-shop.ru/admin/ckfinder/userfiles/files/munofapumilinazusanawel.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=no+puedo+instalar+aplicaciones+en+mi+androidPDF 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_off0000cb51.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB51 | 17716 bytes |
SHA-256: c1c2b9e50e907d4827464b83699d1cd33047b41626364be76f4336f4c5607ac7 |
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font_01_sfnt_off0000f8a6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF8A6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off000110bd.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x110BD | 10752 bytes |
SHA-256: e107965dbf216f82001547c5f0fa348f2845fd3aca6298aaa40586a47512f43b |
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