MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains embedded JavaScript and numerous URLs pointing to compromised websites and disposable hosting, indicating a malicious intent to redirect users to potentially harmful content. The ClamAV detection and ML classifier strongly suggest this is a phishing or malware distribution document. The embedded JavaScript likely facilitates the redirection or execution of further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://inwebjor.ru/uplcv?utm_term=tangent+half+angle+identity
- https://aquafilling.com/userfiles/file/sevikuwetefinugazi.pdf
- https://foodvellythailand.com/upload/files/rupatikamunojiwidukirez.pdf
- https://triangle-electronics.com/assets/userfiles/file/42743549242.pdf
- http://ibsdhc.hpds.work/ecdemo/web/js/ckfinder/files/files/relodokibititanejirivu.pdf
- http://motopujcovnateplice.cz/userfiles/file/58595261199.pdf
- https://bravo-hk.com/userfiles/file/72657827552.pdf
- http://masterref.ru/editorfiles/file/56202238344.pdf
- https://nidi.mk/ckfinder/userfiles/files/mexigomazasamolizajime.pdf
- http://kernenshepler.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/17626459737.pdf
- http://rigdrilling.org/userfiles/file/72019872626.pdf
- https://bestmiamiturf.com/wp-content/plugins/super-forms/uploads/php/files/07666c8cffd9c58ac5ebd87bd23b95e7/86676966609.pdf
- http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1613b5099daa0a---86307471407.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133976ceeee8---96776746509.pdf
- http://sage-chem.com/image/files/20210908_221614.pdf
- http://wccflooring.com/userfiles/files/45197460068.pdf
- http://sl-light.ru/design/img/upload/file/1840502611.pdf
- http://www.huntsvillepr.com/files/files/nopum.pdf
- https://kvzriu.org/images/file/funuvonavigodemamaf.pdf
- http://ain.proximeo.com/ckfinder/userfiles/files/61676573384.pdf
- http://thepducphat.com/upload/files/bugizulosezinup.pdf
- http://chongqinghaohong.com/upload/files/kavipinirapovode.pdf
- http://nghiencuuykhoa.com/uploads/userfiles/file/49398890539.pdf
- http://sarahscupcakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16136e7f1dae06---13215012613.pdf
- http://cu-mbc.com/ckfinder/userfiles/files/bedugilox.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_off0000b167.bin7e7acc09db1db4fec45b14a07c78eab4b4b2cd0ff3d3e5f45bfce481965ed0dc |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xB167 | 15652 bytes |
font_01_sfnt_off0000d881.bin9cbc9d86a34ec70a24faaa232b6ab55feefc479fdb88c17ddccb3663c46b53e5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD881 | 10324 bytes |
font_02_sfnt_off0000ef76.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF76 | 16792 bytes |
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