MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier indicated a high probability of maliciousness. The file contains numerous embedded URLs pointing to various domains, many of which appear to be part of a link farm hosted on disposable or compromised web infrastructure. These URLs are likely intended to redirect users to phishing or malware distribution sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9947
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://infrive.ru/uplcv?utm_term=how+do+you+reset+xfinity+router+password
- https://petikdaun.com/contents//files/36253709954.pdf
- http://jp-cable.com/d/files/kolawonakaleza.pdf
- https://www.eziblank.com/wp-content/plugins/super-forms/uploads/php/files/v17n08ktdj996vb60g5pg5unu2/23922425252.pdf
- https://www.beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/2d56196677ca917f9181ac5134f5e363/31677017591.pdf
- http://thepokeluau.com/uploads/files/85339604995.pdf
- http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16096693dc287d---78440571827.pdf
- http://aliancegroup.su/wp-content/plugins/formcraft/file-upload/server/content/files/160cfcc19635b3---86596604762.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/16098c597a39bc---15353955971.pdf
- https://singaporeroadshow.com/wp-content/plugins/super-forms/uploads/php/files/fab391d2ba917d850f35fb6979919791/56477467674.pdf
- https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/e2e155a05f7622f4a5c9d1f1ac6c41b4/rivifitulezupig.pdf
- https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/ce2726721bb353645c8fb3e92733711e/gabevagedamitojev.pdf
- http://sklepjola.pl/userfiles/file/nevifij.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/c396bbe46c11a9beefba86ef54478356/robowejelisosobezeke.pdf
- http://jucal.es/images/file/bumefugobufob.pdf
- http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/555fecc52a39ced3f38c921c572ac109/4897134159.pdf
- https://gencshow.com/upload/ckfinder/files/zifivumelojogenesabiwe.pdf
- https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160ece1c7a9d81---vatowupevubixe.pdf
- http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/16080c214aea83---dekowebuxopev.pdf
- http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a9f3d5a2938---jagakigosek.pdf
- https://colegiumaniucarei.ro/ckfinder/userfiles/files/3598391523.pdf
- http://cncforginghammer.com/d/files/82006373566.pdf
- http://coimbrasoftware.hu/images/uploads/files/xekosaxa.pdf
- http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0f0fde4934---womebopipefelo.pdf
- http://artecgroupservices.com/imagenes/file/xujelume.pdf
- http://canadapremiumlubes.com/survey/userfiles/files/nufelulatowetibixa.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_off0000c879.bin07052a09bb170473c082e5efbf05f0b93e29f6d17bb1dc5757e9ae10448defa7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC879 | 15956 bytes |
font_01_sfnt_off0000f17c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF17C | 16792 bytes |
font_02_sfnt_off00010993.bin1b64867c6dd490180496aa2c6982b47a643644c82ed0933602d9920a7ceb7e75 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10993 | 10840 bytes |
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