MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF file was flagged by multiple heuristics, including a critical ClamAV detection for 'Pdf.Phishing.Trojan'. It contains numerous links pointing to compromised WordPress sites and disposable hosting, suggesting a link farm designed to redirect users. The ML classifier also strongly indicated maliciousness, supporting the conclusion that this PDF is part of a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
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://laborke.ru/uplcv?utm_term=how+to+search+by+pdf
- http://dodici12.ru/wp-content/plugins/super-forms/uploads/php/files/il2v6k0b2nej8jk63p63aee444/76212381366.pdf
- http://moyamoya.center/images/hand_uploaded/files/ziremapupopu.pdf
- https://www.allterra.group/wp-content/plugins/super-forms/uploads/php/files/3f4396ff17271f32f0c62bf17511f922/nanef.pdf
- https://smilepath.com.au/wp-content/plugins/super-forms/uploads/php/files/e82d1f77bdd6fc5f11666fe7d6e90e14/67522147685.pdf
- http://amphorabeautyclub.com/campannas/file/42316954483.pdf
- http://www.petersmetalstitching.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c2a4ef65f---kijudamuxexevejade.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f463210e73---97016348103.pdf
- https://canadiancontractorservices.com/wp-content/plugins/super-forms/uploads/php/files/ddsau23lqepum3jg4qav0neh37/22063479311.pdf
- https://motionslam.com/wp-content/plugins/super-forms/uploads/php/files/b8915f3e456f4bcdba74f8a0ac8c2f4b/derikebigaxovixaf.pdf
- https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16097abddf0585---30212734301.pdf
- https://www.aceitedeoliva.com/wp-content/plugins/super-forms/uploads/php/files/3e53ec011f4b062f30807d5afe1129a4/lomomo.pdf
- https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/ca80bc32cb6923222899c2f686e710b5/1534207564.pdf
- https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b96e6e65d64---mugojizuxoxalusefonelutam.pdf
- https://www.sehersirin.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076085735e41---52040844934.pdf
- http://knshzj.com/CKEdit/upload/files/jadedisipomisudox.pdf
- https://aldea.work/wp-content/plugins/super-forms/uploads/php/files/e1eee82f42472da5b4245431e7ce4063/zobexasefad.pdf
- http://nextgt.eu/uploads/file/rivivumunitamikaredusobo.pdf
- https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/160742868b804d---baguxabawefozekixori.pdf
- https://stiff.pl/ckfinder/userfiles/files/36573384160.pdf
- https://thaiahpa.com/flash/files/50389166966.pdf
- https://pima-alarms.net/slicice/file/luzofob.pdf
- http://allycatering.com/userfiles/89283693534.pdf
- http://thallo-food.hu/uploads/ckfinder/userfiles/files/33489075512.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_off0000c1e3.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC1E3 | 16792 bytes |
font_01_sfnt_off0000d9fa.bin342108ee5b5a88e12eda127f25332f29f673c90a3b6431da3744c3a18e7d2233 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD9FA | 10804 bytes |
font_02_sfnt_off0000f2da.binbb7280f454c1cf2b9a3219fd08337d6cb41804a07bcbba15fc18f668f63eded2 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2DA | 16736 bytes |
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