MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains a large number of external links, many hosted on disposable domains or compromised CMS uploads, suggesting a link farm designed to distribute malicious content or phish users. The ML classifier strongly indicated maliciousness. No scripts were extracted, but the structure and URL patterns are indicative of a malicious document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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 https://irlanc.ru/uplcv?utm_term=descendants+3+full+movie+for+free PDF link annotation
- https://dol-rtknetwork.com/uploads/files/72489384075.pdfIn PDF document text
- http://jandebruijn.com/uploadimages/files/sofepovek.pdfIn PDF document text
- https://sakura-bashi.com/uploads/files/202109161216275760.pdfIn PDF document text
- http://xn--80aaab5bgii0ck.xn--p1ai/ckfinder/userfiles/files/mibigawezeloju.pdfIn PDF document text
- http://2safe4u.cz/UserFiles/File/13724674497.pdfIn PDF document text
- https://aldapa.eus/files/galeria/files/molelunidulebodexifa.pdfIn PDF document text
- http://hoya889.com/upfile/files/20210923045946.pdfIn PDF document text
- http://www.mattig-accounting.bg/fisiere/file/18601578236.pdfIn PDF document text
- https://gitteszoneklinik.dk/ckfinder/userfiles/files/15707254542.pdfIn PDF document text
- https://cahayaapi1.com/contents/files/32849133331.pdfIn PDF document text
- http://heninrealty.com/userfiles/files/22925503401.pdfIn PDF document text
- https://www.aledrukujemy.pl/ckfinder/userfiles/files/6153295028.pdfIn PDF document text
- https://smg.bid/ckfinder_userfiles/files/45319844983.pdfIn PDF document text
- http://xn--jt2b56wn0ap2a.com/upload/file/202109190545050388.pdfIn PDF document text
- http://fairfresh.net/assets/admin/ckeditorimage/files/72642832315.pdfIn PDF document text
- https://tselectromechanical.com/uploads/CKfiles/files/dedateseribemezudifepalem.pdfIn PDF document text
- http://budaikepkeret.hu/uploads/file/81905590419.pdfIn PDF document text
- https://hijaustabilo.com/contents/files/rekilesuwetimopifozamini.pdfIn PDF document text
- https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/uice1gumpusc7uu83ug6k4f4em/89499222056.pdfIn PDF document text
- http://uspeh-kursk.ru/ckfinder/userfiles/files/xizuliluwawexatuw.pdfIn PDF document text
- http://chemtron-vostok.ru/media/file/zozazunojizifikanuv.pdfIn PDF document text
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614c4c7266a01---xesixulanajudodu.pdfIn PDF document text
- http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614cd226264a7---suxezelisix.pdfIn PDF document text
- http://griesvoegwerken.nl/UserFiles/file/manowajegexulubefesi.pdfIn PDF document text
- 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_off0000b3eb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB3EB | 10976 bytes |
SHA-256: 3e0a2642085d3a018e2a8ff8855ca8d5aee7bc2d4cbc8300ce221e02dcd8eddf |
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font_01_sfnt_off0000cd74.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCD74 | 16188 bytes |
SHA-256: 69c02360f72a4850a36b5f074d4c74c358eb5d136d6db3111e44130dfe7d473e |
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font_02_sfnt_off0000f693.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF693 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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