MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and a significant number of external URIs, many of which point to compromised CMS upload directories or disposable hosting, indicating a link farm designed for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or delivering a second-stage payload via the embedded links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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 http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/76197dthus9ohogolhacneh646/kulojokixonikapuluwupe.pdf
- https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/36mmbi1djuga5f0pgi4c072qf1/43313856297.pdf
- https://jamurgoreng.net/contents//files/sesotasosujiva.pdf
- http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160983756bbcc9---gezutitawogegolesarib.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/ed5d3b7ee288ce07d5519472c93fbc48/rujotaxamezetinivivuwaziv.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a6f6e12824---repusaratutuvonur.pdf
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7827ad8476---17740036706.pdf
- http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160bbb3640f2d4---nesuzefe.pdf
- https://laser123.com/geektic/files/rifisetudekovazuruzokev.pdf
- http://wooshin.kr/uploaded/file/210733825260dfc750bc512.pdf
- http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160980a6553a48---meveruzona.pdf
- https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160943be3e0188---7171261160.pdf
- http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbd2218828---24304056751.pdf
- https://kamber.dk/wp-content/plugins/super-forms/uploads/php/files/6190079eaf30bdc677bae3014e8122c0/jexozukugarovefubaki.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609850fa65d27---74620808164.pdf
- https://empezo.xyz/js/ckfinder/userfiles/files/24553382502.pdf
- https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/b539755f9cb998b67fdaf5803d748aad/vixodopovugebafum.pdf
- https://henklinders.nl/henklinders/upload/files/69145008600.pdf
- https://pelicanfinancialnetwork.net/ckfinder/userfiles/files/88771988058.pdf
- http://la-roofers.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16081af541eeb1---kakirozifo.pdf
- https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/a37cc0786b9a2034a00a69bcb720a7d2/poxaxevopufazowil.pdf
- https://www.ideaklinik.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160ba12f8dda93---laturebexevofulevufalopij.pdf
- https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607752b4337c3---14653195510.pdf
- https://avenirpourtous.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609ec269b6329---30052594858.pdf
- https://minutesnap.com/wp-content/plugins/super-forms/uploads/php/files/d08bc1a4462c2d4ead2da0c4678c0d11/jimiwosivu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=you+confuse+me
- 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_off0000c1d8.bineae242d405e0e518d21bf4cf2a44d0672ed1ed1c79e397f0592560173a30d3c5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1D8 | 19764 bytes |
font_01_sfnt_off0000f103.bin7bc2eaf67ab703d3460e6bcb1da99ee6a141fc3631f913ca82c7aa3d7131647d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF103 | 10080 bytes |
font_02_sfnt_off00010783.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10783 | 16792 bytes |
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