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 websites that appear to be part of a link farm. Several of these URLs are hosted on compromised CMS platforms, indicating a potential phishing or malware distribution scheme. The ML classifier and ClamAV detection strongly support the malicious nature of this file.
Machine Learning
- Nyx PDF Classifier malicious score 0.9991
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://k-yoga.org/file_upload/spaw_upload/file/20210625054842.pdf In PDF document text
- http://andreaslasnik.com/data/files/dewolulu.pdfIn PDF document text
- https://ppntassone.it/dati/upload/file/jizikigasilorinajuniwija.pdfIn PDF document text
- http://tuzvedo.hu/elemek/file/72288247823.pdfIn PDF document text
- http://www.anclupnapoli.it/userfiles/file/mawivasom.pdfIn PDF document text
- http://seyrimerdin.com/userfiles/file/zulozokimigu.pdfIn PDF document text
- http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fffc87abbb5---fijavewasod.pdfIn PDF document text
- http://www.ondebiz.com/userfiles//file/99360255316.pdfIn PDF document text
- http://servmed.net/userfiles/file/vumelodaragarepafi.pdfIn PDF document text
- https://akrmedia.no/ckfinder/userfiles/files/69701276631.pdfIn PDF document text
- http://agiusfuneraldirectors.com/files/file/buzogegafumoviredosudir.pdfIn PDF document text
- https://pluckywize.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f33ce69748b---zuwusabibog.pdfIn PDF document text
- https://sibiucuratenie.ro/fckeditor/userfiles/file/fepevunuluvox.pdfIn PDF document text
- https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/a31aded986e4ffa66e7dd00a760695a9/murusa.pdfIn PDF document text
- http://pushgroup.lv/userfiles/files/zapevemufi.pdfIn PDF document text
- https://www.penyembuhanholistikreiki.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104df86396b2---daxuduminulose.pdfIn PDF document text
- http://www.assignproject.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608255425d2f1---43637237153.pdfIn PDF document text
- http://bige.vn/uploads/userfiles/file/dinigebudawiwisunet.pdfIn PDF document text
- https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/gs8lqsg3hpoiirb73gmci29234/81219506697.pdfIn PDF document text
- https://mwasafat.com/uploads/files/18980859312.pdfIn PDF document text
- http://www.darvidproperty.com/news/file/51514134861.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=aphids+life+cycle+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_off0000e678.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE678 | 18864 bytes |
SHA-256: 5e32b74b354376823fe556e5c8ad5625c4acadb8c71e1f5573135c900ddfb626 |
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font_01_sfnt_off000116a2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x116A2 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012eb9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12EB9 | 10228 bytes |
SHA-256: b73c492b25eadd771945a66adcf70ad5354d4d82f7c7608e65d0e057bfaa1f34 |
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