MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.001 User Execution: Malicious Link
The PDF file was flagged by ML classifiers and ClamAV as malicious, specifically as a phishing trojan. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics indicate a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
Heuristics 6
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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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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://www.tangelo.no/wp-content/plugins/formcraft/file-upload/server/content/files/16071f5c32fbf2---maseradabefe.pdf
- https://portugaliaimagyarok.com/ckfinder/userfiles/files/zarebaxamafiwijogukaruju.pdf
- https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2a0b481d45---85953121915.pdf
- http://esoftland.com/userfiles/file/29926041238.pdf
- http://www.asejnrtigers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b15883e8e41---44288650072.pdf
- http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/16094ad1766beb---fimidot.pdf
- https://francoisdaulte.com/ckfinder/userfiles/files/5324338644.pdf
- http://skylineidaho69.com/clients/c/c7/c7306e0a9cc1d421caefa9c307ca601f/File/61215866133.pdf
- https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/vpmh28fn98f2rtbcmib427hrcl/15650617408.pdf
- https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/rj4smrd2o6g76djse8417at8j4/88942923569.pdf
- http://www.cenlajobinator.com/siteuploads/editorimg/file/nesurasupu.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fd57f9170a---kozijuwore.pdf
- http://stolizstekla.ru/userfiles/file/gokalawuvibuzimukute.pdf
- http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609b4b2546b8b---20107484531.pdf
- https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/n4iuocqq520r86u3rmhv80aqm4/bibazanitorug.pdf
- http://imhkayseri.com/resimler/files/depuwixixixutinavadin.pdf
- http://fly.no1-yes.com/userfiles/file/mexubufawuvipekupowati.pdf
- http://cancunday.com/travela/img/files/79159966407.pdf
- https://sport-jicin.cz/dokumenty/55022684893.pdf
- http://slesnick.net/userfiles/files/vikivi.pdf
- http://alituncer.com/userfiles/file/xafeli.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086ab71ca836---radasemovin.pdf
- http://sieckultury.pl/wp-content/plugins/super-forms/uploads/php/files/9d76a2c37fc03471ddc17e9e6898c5e4/peramusuvajotutagu.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0ed3216bf8---devegojigulodadiz.pdf
- http://bmcnx.com/userfiles/file/mukuk.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=2017+mercedes+gle+safety+rating
- 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_off0000f531.binecb156147ab7b9a0ce3e81695f850aa1c9bac743eb88c198cac5e3af1918d444 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF531 | 11060 bytes |
font_01_sfnt_off00010edb.bin2e110746d52d0ec43afa221a6ec4fbebe04aa402f5d13535496ec70fec1e8083 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10EDB | 17096 bytes |
font_02_sfnt_off00013b5d.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B5D | 16792 bytes |
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