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, hosting numerous PDF files on compromised CMS upload directories, likely to deceive users into downloading further payloads. The presence of a 'download button' lure further supports this phishing-like attack pattern.
Machine Learning
- Nyx PDF Classifier malicious score 0.9948
Heuristics 7
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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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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.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b06c45a316d---jidozipezesikuwevubop.pdf
- http://koryosushi.com/uploads/files/57177306581.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160957d8b21768---lilazexarubu.pdf
- http://evohome.pl/userfiles/file/83731145461.pdf
- https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/84301189365.pdf
- http://montazenabytkupraha.cz/files/file/35930453044.pdf
- http://foto-klub.dk/userfiles/file/doretasemurow.pdf
- http://pocatellocampfire.com/wp-content/plugins/super-forms/uploads/php/files/0a7mr9bjdf6uct9e02u1rlb702/wexefivubi.pdf
- http://webscape.co.bw/wp-content/plugins/formcraft/file-upload/server/content/files/1607ddfef81b64---85698682930.pdf
- https://allcreaturesinc.com/files/files/tidadu.pdf
- http://ofitecnic.es/files.ofitecnic/fck_up/file/43444209922.pdf
- http://premsaktidal.in/userfiles/file/59154263384.pdf
- https://evermoral.hk/upload/file/1626556872.pdf
- http://kvbm.org/pds/userfiles/files/tuwifavevutojaf.pdf
- http://fsanaq.com/upload/file/210706110728664002rxet7blok0ep.pdf
- http://agataklimowska.pl/userfiles/file/17091048532.pdf
- http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f89ff59bd4---8030055179.pdf
- https://infiniteprospects.com/FCKeditor/file/monepiwobodelujoxelabafi.pdf
- http://erdivigado.hu/userkepek/file/24053559783.pdf
- https://massagetheory.ca/wp-content/plugins/super-forms/uploads/php/files/990d339b54c0af90345fbc9042625fac/magufer.pdf
- http://redigonda.it/userfiles/files/jizori.pdf
- http://immobilieninvestors.eu/userfiles/file/64547556332.pdf
- https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/b9a49cfa0f8f1277145aabb0230c54c1/55234415420.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=compress+pdf+in+adobe+acrobat+reader
- 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_off0000f274.bin02f5217837e938142ccf63b225ad8430e1a4948aac1213c655936bf4e927c102 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF274 | 10904 bytes |
font_01_sfnt_off00010b77.binf19e55791d2d3af1b12305bbfdc3d863aa45479cbeb6861ea64d60eb39238da9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10B77 | 17548 bytes |
font_02_sfnt_off0001384b.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1384B | 16792 bytes |
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