MALICIOUS
96
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains numerous links to external resources, many of which are hosted on compromised websites or disposable domains, suggesting a link farm designed to redirect users to malicious content. The presence of a PDF link farm heuristic and ML classification strongly indicates malicious intent. While no scripts were directly extracted, the structure and embedded URLs point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://jingkangchem.com/upload/files/28120634025.pdf In PDF document text
- http://turagent007.ru/userfiles/file/2228369318.pdfIn PDF document text
- https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/tmp/39782542810.pdfIn PDF document text
- https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/161440e8813785---95762523657.pdfIn PDF document text
- http://www.chp.pl/ckfinder/userfiles/files/91618757923.pdfIn PDF document text
- http://www.anapharmata.hu/ckfinder/core/connector/php/files/99814619961.pdfIn PDF document text
- http://hurtmar.pl/Upload/file/geguzujek.pdfIn PDF document text
- http://prestinoequitacion.com/imagenes/upload/files/sodubevisukug.pdfIn PDF document text
- http://cukiernia.eu/upload/files/pixot.pdfIn PDF document text
- https://sassanoproperties.com/FCKeditor/file/ruwefoforujerowizep.pdfIn PDF document text
- http://worldprint.su/userfiles/file/68982960994.pdfIn PDF document text
- http://www.xpresswedding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140f6fcde906---lugigukexofara.pdfIn PDF document text
- https://sapporomn.com/userfiles/files/gutagowab.pdfIn PDF document text
- http://sevvalturizm.com/rsm/files/4198515542.pdfIn PDF document text
- http://vanlysecurity.vn/vanly/album/files/pasifewelikalugenujixu.pdfIn PDF document text
- http://xn--80aafjbaeihgganggf9ajkncugh2a.xn--p1ai/pict/file/22987840654.pdfIn PDF document text
- https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16133c64c93f9a---zubekabetikisu.pdfIn PDF document text
- https://chataigne-cevennes.fr/imgs/files/xelasolig.pdfIn PDF document text
- https://pensiuneaselina.ro/userfiles/file/46752063937.pdfIn PDF document text
- http://studiorestagno.eu/userfiles/files/25853455555.pdfIn PDF document text
- https://totalsewa.com/userfiles/file/kemowotezurojaxi.pdfIn PDF document text
- http://bud-med.eu/userfiles/file/viwidukedelarisub.pdfIn PDF document text
- https://delcinfo.ru/img/files/files/pikaxirovidunibuvowoteran.pdfIn PDF document text
- http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b0b40a8e42---ritib.pdfIn PDF document text
- https://apra.pl/files/file/zukonulumezubezo.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=dream+league+soccer+2018+mod+apk+unlimited+coinsPDF 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_off0000b923.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB923 | 16448 bytes |
SHA-256: 7da6c49572a4fa2aa9dde6f0c422bce187e36a26f48a70aa2901d085137ccce5 |
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font_01_sfnt_off0000e2f6.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F6 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0000fb0d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB0D | 11552 bytes |
SHA-256: 062e103ad2490cbe9bdbbf7260ca9e0df937efabd9b8b90a99a39c181a4ed0b8 |
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