MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of embedded URLs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to distribute malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware delivery via these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9884
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 https://coretry.ru/uplcv?utm_term=nostalgia+10+oz+popcorn+machine+instructions
- https://dehayemek.net/upload/ckfinder/files/waparodawesexuzuv.pdf
- http://fijiembajak.com/uploads/ck_uploads/files/34358502401.pdf
- http://ciba.lv/uploaded/file/59843837501.pdf
- http://onnetsolution.in/userfiles/file/dusedotilegesotoj.pdf
- https://pacpartner.net/images_client/imagesfile/jokatekuxadifaxulofojoto.pdf
- https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/160739243cefcb---loluzafuxem.pdf
- http://telmeed.com/web/ckfinder/userfiles/files/nemon.pdf
- http://gloria-eurex.com/images/blog//file/10058304698.pdf
- http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607caea2e33df---tiwukabokaremidivuxezex.pdf
- https://pasarangroup1.com/contents//files/nakulakelusuzagebesawuba.pdf
- http://gldbirdgel.com/user_img/files/tilozelabuzigov.pdf
- http://aal.tw/uploads/htmlupload/files/ledopuli.pdf
- https://stpeterscbs.ca/ckfinder/userfiles/files/64995857266.pdf
- http://dnepropress.net/files/file/xomoso.pdf
- http://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160bf1e4fa4540---26789464801.pdf
- https://akapacha.com/userfiles/file/56538604459.pdf
- https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/j72f2qh1u85atmt71mhi1tiio9/82488563640.pdf
- https://www.denisonlandscaping.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c68d489755---movajugokog.pdf
- https://www.femregenx.co.za/wp-content/plugins/super-forms/uploads/php/files/cansr4odiiunbej7biqa2d8gpc/61120313846.pdf
- http://deurenhanger.nl/userfiles/file/nakeviviwogunojevaped.pdf
- https://talaa-obour.com/webmisr/uploadwebmisr/file/12708437652.pdf
- http://cuspsurgeons.com/userfiles/file/begodava.pdf
- https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/f994d10a2b2f201de24bbec3294dfac6/82808059484.pdf
- http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160deb6a8e7c77---topugij.pdf
- http://youngthisyear.com/ckfinder/userfiles/files/jupefidikipojex.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16075fa1cc7cef---99473939436.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_off0000f59a.binc5cdeac779ce6a22c091a19e4dac6f973dff7c5aad9f5b3e0d1a0a72fda1b928 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF59A | 17928 bytes |
font_01_sfnt_off000124f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x124F1 | 16792 bytes |
font_02_sfnt_off00013d08.binc7ec41ff7a6182d2e762d43b23428048287f807d9c0e7176e58d0fc0d5f0da06 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13D08 | 11132 bytes |
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