MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains numerous links to compromised websites and disposable hosting, suggesting it is part of a link farm designed to redirect users to malicious content. The presence of embedded URLs and the nature of the heuristics point towards a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9980
Heuristics 6
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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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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://simon-daulte.com/ckfinder/userfiles/files/baxutu.pdf
- http://hani-bee.com/userfiles/files/34689251787.pdf
- http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3efa291c2c---18112734375.pdf
- http://xn--2vxr09c6mc.tw/CKEdit/upload/files/52847650718.pdf
- http://beepost.vn/upload/userfiles/files/kagusapeje.pdf
- https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160945b74c660a---vawuzijonepipifelotirikuv.pdf
- http://sartor.ru/upload/files/61903646805.pdf
- https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1610a845ed929a---11427657966.pdf
- https://chiataiec.com/userfiles/Proj_Name//files/25191218929.pdf
- http://parkhighclassof60.com/clients/871169/File/vujogokazurajutifugubak.pdf
- https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160b823fe99b74---tiredoredo.pdf
- https://law.myvzl.com/wp-content/plugins/super-forms/uploads/php/files/379csino62ou278rs153svb4no/39661434038.pdf
- https://nceptionsolutions.com/wp-content/plugins/super-forms/uploads/php/files/690a4f4d82aad7494bd0fbf035bf4ed6/dawuravakifigipixugegar.pdf
- https://stiff.pl/ckfinder/userfiles/files/41573499596.pdf
- https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160e63cede600f---42736207651.pdf
- https://www.projectorrentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0d741b5c20---63666341738.pdf
- https://nstyapi.com/resimler/files/8597145986.pdf
- https://pinotcar.com/wp-content/plugins/super-forms/uploads/php/files/dd744417aa7bffd9f09f1047a417f0fd/96889014855.pdf
- http://smartwealthhk.com/userfiles/97372422775.pdf
- http://parethumukalchurch.com/uploads/file/wowiwosomaseb.pdf
- http://ventilyatsia-v-sochi.ru/ckfinder/userfiles/files/wedufumivajevibusi.pdf
- http://3colorjazz.com/fckeditor/userfiles/image/48027540832.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1606ccf1d8d8ee---merovusoxaki.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1609105d7daf8e---33130798925.pdf
- https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/e5a9e70491cdb7b1880bf489bc0e7967/rimutuwifewupotikibazosan.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=el+gran+grimorio
- 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_off0000ccd9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCCD9 | 16792 bytes |
font_01_sfnt_off0000e4eb.bin40d473f49ed15f727f6052389194ad7080004927aea5d8103e4ebab886f505b9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE4EB | 16948 bytes |
font_02_sfnt_off00010fdb.bin52cae5fbf742be7d8be50ae5824c7d139db2cafb1f71aef7cd6e1e8e947827b3 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10FDB | 10036 bytes |
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