MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript and a significant number of external URIs, many hosted on compromised CMS upload storage, indicating a phishing or malware distribution attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect the user to a malicious site for further exploitation.
Machine Learning
- Nyx PDF Classifier malicious score 0.9989
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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 https://huntic.ru/uplcv?utm_term=does+mod+load+order+matter
- http://johnmichaelharrisonlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/dibofobikovakise.pdf
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/xixef.pdf
- http://www.next-conseil.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160e1336996ec2---32904145220.pdf
- https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/ec494a740edd98021faf419ca12c69a5/65387167883.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/a3dabf828a8e1c0ff9353e1364348617/removogovoxanojakiguzoxop.pdf
- http://kk-gorenjska.si/uporabnik/file/semavuwarojaj.pdf
- http://centromedicoveterinarioadda.com/userfiles/files/nosatezu.pdf
- https://akemi.ro/hirek/file/janeluzopimudo.pdf
- http://www.morenoroofing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a73b29bb5fa---67771776999.pdf
- http://mtcclassof81.com/clients/0/0a/0a45bd3013a8cc77df817aa526a911b1/File/pavumiwosakagovovu.pdf
- https://bikinibody.be/wp-content/plugins/super-forms/uploads/php/files/87t83qquihdmje31gef3b66qib/jawirokutejuzuzolebore.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087ad329d0b8---53942183784.pdf
- http://skyline64reunion.com/clients/e/ec/ec378541aa9b73e2b99de5ca5545ec21/File/39572259729.pdf
- https://chachachat.info/js/ckfinder/userfiles/files/jiligolabitobabito.pdf
- https://www.darrellstuckey.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6be3b4cc88---89750933127.pdf
- http://whatifitspossible.com/ckfinder/userfiles/files/64366150661.pdf
- http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d1964487a---56778529620.pdf
- https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/da0a3f24cf575854421886c0e1bb90aa/70416527152.pdf
- http://thegreenlegacykeepers.com/clients/e/e8/e8dc17949b7ef813e9937e453902477f/File/keselot.pdf
- http://www.training4thefuture.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160813c5ca1d5a---45072548042.pdf
- http://zulaikhatextile.com/userfiles/files/sarudawiduforinanaxa.pdf
- http://autosklo.sk/pictures/file/95599353256.pdf
- 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_off0001280f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1280F | 16792 bytes |
font_01_sfnt_off00014021.binc1755e308e7b1c8faa9f1614a28625b74291065b0c295ec30ec9004e4b1bc653 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14021 | 17424 bytes |
font_02_sfnt_off00016d9e.bin76b1ffa9b7a104f851b2271340d4af4eb9e96f87ef37e5c97752c70950d42136 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16D9E | 10216 bytes |
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