MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous links to external websites, with several heuristics indicating it functions as a link farm, potentially for SEO manipulation or phishing. The ClamAV detection and ML classifier strongly suggest malicious intent, classifying it as a phishing trojan. The document body is heavily obfuscated and unreadable, providing no direct clues to its purpose beyond the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9965
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 http://vodova51-53.cz/files/rifad.pdf In PDF document text
- http://sheilahancock.net/blogfck/file/lawejorenesemuxo.pdfIn PDF document text
- http://dep14kirov.ru/userfiles/file/kevibepupaniguxolagogexiw.pdfIn PDF document text
- http://toyteepee.com/uploadfiles/file/210904044810742212hj76hg.pdfIn PDF document text
- https://nestsearch.in/admin/uploads/file/sidogotopoxavabul.pdfIn PDF document text
- http://sitarofindiamd.com/userfiles/file/62440376656.pdfIn PDF document text
- https://irisapp.cn/uploadfiles/fckeditor/20210926/file/16326334122522.pdfIn PDF document text
- http://valsadindustries.com/userfiles/file/surem.pdfIn PDF document text
- https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/1913300dbe473801a08825c13558828c/55205407175.pdfIn PDF document text
- http://ranaghatpchsschool.org/userfiles/file/mebodugeniliruxubumite.pdfIn PDF document text
- http://security-m.jp/tool/images/file/83457970346.pdfIn PDF document text
- http://razzledazzleevents.in/userfiles/file/zapusasemejodegubowosefe.pdfIn PDF document text
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16133de8cf2d0f---41846431893.pdfIn PDF document text
- http://ijfbn.com/editor_up/15846972624.pdfIn PDF document text
- https://blgjad.com/upload/files/43314813166.pdfIn PDF document text
- https://pchome.uzai.ca/upload/files/mazizagalegalami.pdfIn PDF document text
- https://0900107678.com/upload/file/fabukegufa.pdfIn PDF document text
- http://cdkuys.handysociality.com/upload/files/bedokigotajuvafepada.pdfIn PDF document text
- http://badgerhillfarm.uk/88674811067.pdfIn PDF document text
- https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5934b8afd---bivarufi.pdfIn PDF document text
- http://nkmate.com/FileData/ckfinder/files/20210918_4AA327D8D474C942.pdfIn PDF document text
- https://kampusogrenciyurdu.com/file/99347262287.pdfIn PDF document text
- http://www.mattig-accounting.bg/fisiere/file/72577014302.pdfIn PDF document text
- http://xn--80aikni6a0b.xn--p1ai/images/file/27829791306.pdfIn PDF document text
- https://kitapkaplama.com/upload/ckfinder/files/dukawete.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=blitzer+algebra+and+trigonometry+4th+edition+pdf+freePDF 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_off0000b133.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB133 | 11220 bytes |
SHA-256: 3615fa92783f722f324e72738ea9e1221a0513d57bb106e92583114ebedfdae9 |
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font_01_sfnt_off0000caf0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCAF0 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000e302.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE302 | 15208 bytes |
SHA-256: 3ae0bf7964e6e3bc901cfa7ccd0e82dc81fefec948f59d66a0c99924815c75d1 |
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