MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file contains a large number of embedded URLs, many of which point to compromised WordPress sites or disposable hosting. The ML classifier strongly indicates maliciousness. The primary function appears to be a link farm, likely to manipulate search engine rankings or serve as a distribution point for further malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 5
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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://tikatalog.sk/_files/file/ruwaxirevatiletop.pdf In PDF document text
- http://hondaototanan.com/upload/files/80649913892.pdfIn PDF document text
- https://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/16081ca7d434f2---lapuxerilubeki.pdfIn PDF document text
- https://maggies-handmade.com/UserFiles/files/lesodikutezibafutumufe.pdfIn PDF document text
- http://muzycznescyzoryki.pl/userfiles/file/97582985897.pdfIn PDF document text
- http://caacoding.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b3f46c7e088---tofidimewit.pdfIn PDF document text
- https://www.rydalmereprestige.com.au/wp-content/plugins/super-forms/uploads/php/files/6a5ica741fkh1r7hn5longl998/67713000079.pdfIn PDF document text
- https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d744c6a3275.pdfIn PDF document text
- http://vinhhangvien.com/upload/files/74212723428.pdfIn PDF document text
- http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6d3f98dd7---17309224050.pdfIn PDF document text
- https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8b4d02af4---mekinusokuz.pdfIn PDF document text
- http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606cdfeb110f4---37004053794.pdfIn PDF document text
- http://photou.cc//ckfinder/userfiles/files/37228546027.pdfIn PDF document text
- https://samarpanbharat.org/trila/userfiles/file/zoxas.pdfIn PDF document text
- http://curry-box-deluxe.de/userfiles/file/pixibopopuwogofesinima.pdfIn PDF document text
- https://sanidom.pl/img/file/vorowasik.pdfIn PDF document text
- http://tiwtactic.com/userfiles/files/povewupesatagamutim.pdfIn PDF document text
- http://vanharteyoga.nl/uploads/files/76414316841.pdfIn PDF document text
- http://tokstar.com/_UploadFile/Images/file/bikusojamibasefosexu.pdfIn PDF document text
- http://istanbulballoons.com/ckfinder/userfiles/files/68331825818.pdfIn PDF document text
- http://daiichilogistics.com/uploads/news_file/fegavapikofamevol.pdfIn PDF document text
- https://soba05.org/wp-content/plugins/super-forms/uploads/php/files/709ba1badd1e9f17782ba51c9a3f33d6/jemeneridivatixaruzonaj.pdfIn PDF document text
- https://harryfok.com/ckfinder/userfiles/files/bowezasida.pdfIn PDF document text
- http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/160ac0713bcea8---4575883987.pdfIn PDF document text
- https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1305648d5abf38d2c75b492aa4619843/87271652190.pdfIn PDF document text
- https://www.lang-mayer.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f430a134c3---55496982628.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=self+attested+income+certificate+pdfPDF 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_off0000dbfb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDBFB | 10856 bytes |
SHA-256: 59d1ae59f3104b61df9ea02777709625e94a1b3ec1ef80dc25866a9348b63038 |
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font_01_sfnt_off0000f4f7.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4F7 | 17464 bytes |
SHA-256: 7ac292d9c27f3e77e687727822ab7ecf2e3ae4f23a8a5844b42733c3139f809e |
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font_02_sfnt_off000121d5.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121D5 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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