MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF contains numerous external links, many pointing to compromised websites or disposable hosting, indicating a link farm for redirection. Heuristics like 'PDF_SEO_DISPOSABLE_LINK_FARM' and 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' strongly suggest this is a lure for phishing or malware delivery. The ML classifier and ClamAV detection further confirm its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9973
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://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/9m2ivltivp096ug9gqmtij91o2/52642516765.pdf
- http://zdravi-kromeriz.cz/files/file/8003383829.pdf
- https://jerseyshorepirates.com/userfiles/files/tapejir.pdf
- https://karatenarrewarren.com.au/ckfinder/userfiles/files/83674798733.pdf
- https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/onjd851q5enbnt3apasfk6ak4p/kemeni.pdf
- http://matraholding.hu/images/userfiles/files/12601468939.pdf
- http://cerescommoditiesltd.com/Images_upload/files/rijititijek.pdf
- http://poaglasses.com/uploads/files/202109020857013787.pdf
- https://osakadentalcare.com/contents/files/sabuvetarapidomido.pdf
- https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141cf39a2afe---porinoxu.pdf
- http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614155bc9b459---64805595319.pdf
- https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16141115597c72---5250502712.pdf
- https://sca-eagleegg5k.com/ckfinder/triplebuserfiles/file/bobobaxukanebazowadiv.pdf
- http://www.timtransportes.com/home/wp-content/plugins/formcraft/file-upload/server/content/files/1613bd60b4ec0c---ritazikomo.pdf
- http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f96a8a1d39---radazobuwoji.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/f0417552ca3adc68d43c582c64e7938e/volakasabonulopi.pdf
- http://lokalizacja-gps.pl/userfiles/file/1056313892.pdf
- http://cameradungphat.com/uploads/files/fawuvakanijisafipatij.pdf
- https://madame-tina.com/ckfinder/userfiles/files/kefatixoma.pdf
- https://www.informacion-indoorclub.com/boletines/img/file/39236652172.pdf
- https://sledovani2.gpshlidac.cz/www/userfiles/files/22697627988.pdf
- https://rakowka.pl/userfiles/file/wozonuli.pdf
- https://kamwalibais.com/userfiles/file/lezetenirebojape.pdf
- http://vigova.vn/Images_upload/files/kimuratoxupixabosomuginus.pdf
- http://bright-inter.com/file_media/file_image/file/5622661837.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=tiger+zinda+hai+full+movie+22+december+2017
- 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_off0000bd7f.bin7db3c8e813408c7089a6f581de2683e7781ab118f90a2c7cffcacb309082cf9e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBD7F | 19984 bytes |
font_01_sfnt_off0000f1fe.bin7d8062d2490f2472853faa1e02f7f24673da86867d04d1a1637784b2fb5ed115 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF1FE | 11332 bytes |
font_02_sfnt_off00010c5a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10C5A | 16792 bytes |
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