MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics reveal it functions as a link farm, directing users to compromised CMS upload storage, likely to download further payloads. The presence of a 'download button' lure reinforces this phishing-like behavior.
Machine Learning
- Nyx PDF Classifier malicious score 0.9958
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://www.zav-mito.si/wp-content/plugins/formcraft/file-upload/server/content/files/160924dff69702---22365869935.pdf
- https://nabsangram.com/userfiles/file/53328136900.pdf
- https://stdtekstil.com/upload/ckfinder/files/guxumetiruminulot.pdf
- http://chpcentre.com/files/file/86284254559.pdf
- https://ewt.cz/res/file/fepilo.pdf
- http://tencanpowder.com/d/files/77405949607.pdf
- http://xn----7sbakif2a3azdub.xn--p1ai/admin/ckfinder/userfiles/files/kotinikoluzamaxowogeb.pdf
- http://kapelski.pl/userfiles/file/76023648618.pdf
- http://vigen12.com/userfiles/file/72653482180.pdf
- https://ensegun2.com/ckfinder/userfiles/files/dojexuxikaz.pdf
- https://observatoire-omic.org/documents/file/74348514436.pdf
- https://aymexco.eu/ckfinder/userfiles/files/lulupenijasorerolalesupu.pdf
- https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/29fl1fur7k0vk1tcnta8pkbm7e/jemamuwedowokewevajisamom.pdf
- http://denki-shonan.com/uploadsfile/11068510011.pdf
- http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/160876521c7c79---wozodefabevugulijoxoxij.pdf
- http://ceomit.com/fckupload/file/ruripo.pdf
- http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/5ca2889e337f79a617ee292ef9b4e37d/futapewu.pdf
- http://canoto.us/Images_upload/files/13917243096.pdf
- https://dispomydeal.com/wp-content/plugins/super-forms/uploads/php/files/f430ef7673585c1e2aea42e89f5d1199/wewubewufuvaw.pdf
- http://mrs724.ir/basefile/drtiketcom/files/gadedesipifajowomurawire.pdf
- http://baliretreatcenter.com/olabali_ci/media/images/newsfiles/xasuzemubutinij.pdf
- https://benjamindreyer.com/wp-content/plugins/super-forms/uploads/php/files/200254370d8ea756a962618fbb10c72a/57113189048.pdf
- http://www.alexgis.com/siteuploads/editorimg/file/texexowajagazapopi.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=programming+in+c+balaguruswamy+pdf+free+download
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
- http://purl.org/dc/elements/1.1/
- http://ns.adobe.com/pdf/1.3/
- http://ns.adobe.com/xap/1.0/
- http://ns.adobe.com/xap/1.0/mm/
- http://ns.adobe.com/xap/1.0/rights/
- http://dejavu.sourceforge.net
- http://dejavu.sourceforge.net/wiki/index.php/License
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb00.bin64017998af8f206e75f7e8ab9529da5bd87b40bc40de62f96dd62dbf26d023c4 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB00 | 18340 bytes |
font_01_sfnt_off0000fb9a.bin3c1827bc4a03e35c78a9b6aef98e9dd65d63dd1ced20bbc87ccf09ce98b51a5b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFB9A | 11304 bytes |
font_02_sfnt_off000115cf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x115CF | 16792 bytes |
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