MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as a phishing trojan and by an ML classifier. It contains an embedded JavaScript stream and numerous links, many pointing to compromised WordPress sites, suggesting it's part of a link farm designed to redirect users to malicious destinations. The embedded JavaScript likely facilitates the redirection or exploits vulnerabilities.
Machine Learning
- Nyx PDF Classifier malicious score 0.9910
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.mywil.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16084f6b7b6e6e---vixufiziwasafejipavadom.pdf
- http://atthaya.com/file_media/file_image/file/79155595386.pdf
- http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160780954787ae---lelewujatogezeruwezow.pdf
- http://albatrossmrn.com/konadnew/userfiles/file/53925459479.pdf
- https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b0512632f48---19994202086.pdf
- https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a8615b4f09b---remes.pdf
- https://gpuhub.net/wp-content/plugins/super-forms/uploads/php/files/2baclb1l2u1oiri2q2crktnpoh/52726213055.pdf
- http://musiconthebay.org/clients/2/26/269dd5bc96e197da989a8dccc71442af/File/4229154737.pdf
- http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fc9b054806---xalaxumum.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b466ec79451---farofuwa.pdf
- http://anhbanglaw.com/userfiles/file/lonofonutaraxova.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/ea193ff671001486fb48c8cb13f70bf7/45959429778.pdf
- http://www.maarsehoveniers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b24daa2b32---19889946725.pdf
- http://w3-japan.com/js/upload/files/wijekokasosip.pdf
- https://fellowpeo.com/wp-content/plugins/super-forms/uploads/php/files/51b178aebf84a950a58d5ae3f0946360/gasebaribosakilijedo.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160831a93293d8---natulukasebaj.pdf
- http://creativeindustries.ru/uploads/userfiles/file/banijeja.pdf
- http://agendatourvietnam.com/hinhanh/file/bekiduw.pdf
- https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160737887845fe---71908172443.pdf
- https://ajwatravel.com/wheelmarine/userfiles/file/51562687554.pdf
- https://www.lamuccacompany.com/wp-content/plugins/super-forms/uploads/php/files/a1835e322ea5c0a56f1214112f35fd24/70209963621.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=smoked+baby+back+ribs+on+gas+grill
- https://mediaget.com/userfiles/files/samivagelorowolulosajus.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off00010e64.bin1ba3a9bc123a6417b46fa458f9ed84174cf131ec5ba5ff4561fda967feecb530 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10E64 | 18052 bytes |
font_01_sfnt_off00013e23.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13E23 | 16792 bytes |
font_02_sfnt_off0001563a.binde03bf405ac0b2fedfec6c0966de0ffd058abec38c30c410eda7cf656369de27 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1563A | 11036 bytes |
font_03_sfnt_off00016fa7.bin47e9ba40d78eab6fc75f0484694c3b06904ff1b04431f707d7648ded4d60e26d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16FA7 | 16348 bytes |
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