MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs pointing to compromised websites, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9952
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://crewmak.ru/uplcv?utm_term=recently+present+perfect+continuous
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/snmonlhc4cghulqmmnm4tl12l0/15095618001.pdf
- https://klcmekatronik.com/ckfinder/userfiles/files/42104234467.pdf
- http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094ceb018e92---69130091353.pdf
- http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/jhjhu9fvdb6ggq902g244l77r0/15047968134.pdf
- http://raunlarose.us/wp-content/plugins/formcraft/file-upload/server/content/files/1606fb54233d05---xetovetunodobipito.pdf
- https://genesislighting.net/wp-content/plugins/super-forms/uploads/php/files/d5728764913f12d02f17eef062bc209c/3499241099.pdf
- http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073cea137f50---denabajix.pdf
- http://geology.ie/wp-content/plugins/formcraft/file-upload/server/content/files/1607766d860a51---63165662024.pdf
- https://soyana.de/js/ckfinder/userfiles/files/66923556537.pdf
- https://accuratesearch.com/userfiles/file/51036571951.pdf
- http://softwarefactory.nl/images/file/fijalopujulu.pdf
- https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/rrp0egsur49pbbd8aaceb4vp61/tidibesavapewetigewu.pdf
- http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a7a20119636---32501521651.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/m7hs7plov24jvrssna747nh4i7/81794214078.pdf
- https://earplighting.com/wp-content/plugins/super-forms/uploads/php/files/55152ee76f8bef6efb1b9745a3f0a76d/63494314072.pdf
- https://oncetrabzon.com/resimler/files/93367280219.pdf
- http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a032c989f70---xobarolugoxajafelodasil.pdf
- https://www.haievent.com/wp-content/plugins/super-forms/uploads/php/files/igm5c321fmhip88lc7t3ogmcfl/95639122979.pdf
- https://rocksoliddesigns.biz/userfiles/file/naruxafezusiwan.pdf
- http://esoftland.com/userfiles/file/pogexifuwimemedikoga.pdf
- https://lawyerupsmart.com/tempimg/file/48950411997.pdf
- https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2d334e5756---vasoselarixedij.pdf
- http://shmountaineering.co.uk/wp-content/plugins/super-forms/uploads/php/files/ikjhj8n0dpl7p373o8ckf10656/23696924394.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_off0000f94a.binb90300051ee12f3bea85041cea4364f81a96d0a4fde1ea0a773d48fa7b854379 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF94A | 18012 bytes |
font_01_sfnt_off00012769.bin6933cbcf5452d9c44ceb9e9db10c7c227ea7989e0c11523394f8a87fb69e5e09 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12769 | 10572 bytes |
font_02_sfnt_off00013fb7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13FB7 | 16792 bytes |
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