MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or domains designed to host malicious content. Heuristics indicate a link farm pattern, with several URLs hosted on compromised WordPress upload directories. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
Heuristics 6
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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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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://etenindex.nl/images/uploads/putozirenesarawomuse.pdf In PDF document text
- http://asfus.net/virgsurv/userfiles/file/sowekexelinuxoputafazejas.pdfIn PDF document text
- http://klasykarozrywki.pl/public/images/fck/file/34308140013.pdfIn PDF document text
- https://sitpchemcieszyn.pl/_sitpchem/file/xigaramajokew.pdfIn PDF document text
- http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1606cd2214d28d---tofulesogawu.pdfIn PDF document text
- http://www.saaegfpolis.org.br/ckfinder/userfiles/files/sogafibu.pdfIn PDF document text
- http://ipublicity.cz/data/file/80075876814.pdfIn PDF document text
- http://bagiez.de/userfiles/file/mexuk.pdfIn PDF document text
- http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/f43d6cdd364a797c93db03dba60ee954/pixaxasibelesome.pdfIn PDF document text
- https://darshanam.com/ckfinder/userfiles/files/fakizolubed.pdfIn PDF document text
- https://www.gasserbush.com/wp-content/plugins/super-forms/uploads/php/files/e0691751c65f8ae897dc508719e3c926/80305105828.pdfIn PDF document text
- http://vinhthuan.asia/upload/files/turededugevanikugawe.pdfIn PDF document text
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087f2077c371---2819531113.pdfIn PDF document text
- https://edusfera.pl/upload/file/mibagovafuvatebuxowebak.pdfIn PDF document text
- http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1607c3d763d0e8---rezaxaki.pdfIn PDF document text
- http://gezond-trakteren.nl/kasteel-doornenburg-img/bestandenfile/vuxamuzuxa.pdfIn PDF document text
- https://amitadevnani.com/userfiles/file/18104829830.pdfIn PDF document text
- http://aklond.com/UploadFilesfile///2021050206304896.pdfIn PDF document text
- https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b46654ba4b5---doxiratelu.pdfIn PDF document text
- http://regimhotelierbucuresti.com/images/userfiles/89657619317.pdfIn PDF document text
- https://alate.org/admin/fckeditor/editorfile/lipopinu.pdfIn PDF document text
- https://viessmannboilers.ca/fck_upload/file/35385492483.pdfIn PDF document text
- http://barudan.hk/UploadFile/file/20210611130301688.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=how+to+program+rca+converter+box+remote+to+tvPDF 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_off0000d5d3.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5D3 | 10796 bytes |
SHA-256: 7ef3acd442c218385d415aceb8fcdde09a97638384e6c467628ce509b978f453 |
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font_01_sfnt_off0000ee8a.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEE8A | 16208 bytes |
SHA-256: 53c658738a15658cb588b32bff8d36eff0bc32dc321badc33e827ef311f502ec |
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font_02_sfnt_off0001186b.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1186B | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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