MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs, many of which point to compromised websites or are part of a link farm designed to obscure the final destination. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution through these links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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 http://krevue.cz/UserFiles/File/6987927591.pdf
- http://michianaorchidsociety.org/clients/2/28/2832e32407c795c8d28ffe68102aa18e/File/bozavilesar.pdf
- http://www.tenniscanberra.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a00ed7cfb5a---kebisevop.pdf
- http://ohappy.org/userData/board/file/55006342162.pdf
- https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/hfil9e1rqt1isf9camfkbco3f7/11275116287.pdf
- https://absoluteanytime.com/media_file/files/files/felitorodamigadoponog.pdf
- http://nhasachnguyenvancu.com/Images_upload/files/46842409021.pdf
- https://olmitek.by/wp-content/plugins/super-forms/uploads/php/files/64lnc8ib66rkn88fscqgntlfe0/maluze.pdf
- https://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/b6a2c826b311e3c0f632161db3cca9d3/taxirovimagadodad.pdf
- http://ecogestval.com/userfiles/file/fidosaxumelavun.pdf
- https://groupunsur3.com/contents//files/lujolipirabegam.pdf
- http://christopherdallo.com/file/73797272281.pdf
- https://pasarangroup1.com/contents//files/gofezetedasejedusubijusis.pdf
- http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/eb56008ad664dd179f6c4e00c12f2b09/23344659447.pdf
- https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/cb036abac6766acab6a4f710e5b13faa/45685533122.pdf
- http://zhengfutz.com/v15/Upload/file/2021712042172889.pdf
- https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/ninoguzefajofemazofapukiw.pdf
- https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c991b0bc43b---54144680135.pdf
- http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/65938403602.pdf
- https://kiameds.com/images/upload/files/radezusidagazisejera.pdf
- https://pingthye.com/userfiles/files/jejilipopemuritisulab.pdf
- http://www.mostex.sk/files/articles/file/15374774241.pdf
- https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/e24b11b4be1e008f2feec8e582d222ed/bexoxivizexadaxotisowepos.pdf
- http://medicamarsala.it/userfiles/files/wawukofipagibug.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=ubio+labs+charger+manual
- 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_off0000e1a0.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE1A0 | 16792 bytes |
font_01_sfnt_off0000f9b2.bin1cee784b761796c47670297b2fa107f4c1249cc237bdb0f1fc748b9763a1c0d9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF9B2 | 17796 bytes |
font_02_sfnt_off000128af.bin964ee4e4d534593a22f63ea4cf070daa6c9760e04c4e77fa5d74f21abb893fc8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x128AF | 10824 bytes |
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