MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. Heuristics identified it as a link farm, with many URLs pointing to potentially compromised or disposable hosting. The PDF document body is heavily obfuscated and appears to be generated by wkhtmltopdf, suggesting it's a container for these malicious links rather than user-readable content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9975
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://itssilvertime.com/clients/2/24/24efe347a73a8ce028152bf895bc11a7/File/regobufarimazowesogigobu.pdf In PDF document text
- http://uniquecharacters.com/upload/files/kofufap.pdfIn PDF document text
- http://canavesiobruno-architetti.it/userfiles/files/72520325848.pdfIn PDF document text
- https://www.cdscabling.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16085667c50458---wobajirisovagewuzelawinen.pdfIn PDF document text
- http://sangiorgioautoservizi.com/userfiles/files/mafadi.pdfIn PDF document text
- https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16100b8703935a---navowuxezizowilusigifi.pdfIn PDF document text
- http://porpora.biz/imagenes/imagenes_contenidos///xidomebuwejegifewalugofer.pdfIn PDF document text
- http://dental1970.com/clients/5/52/52cfbc2c58cc98a1938bca6351e90795/File/wozibuxakapobitof.pdfIn PDF document text
- https://gccpay.net/wp-content/plugins/super-forms/uploads/php/files/851e30dc968ce6c89140ce168bd9cc85/96926588165.pdfIn PDF document text
- http://studioarchterreni.it/userfiles/files/57379017660.pdfIn PDF document text
- http://strandedtattoo.net/file/girasogiwexidajom.pdfIn PDF document text
- https://jotekonybakterium.hu/userfiles/files/muxuxabuwevalepilejawino.pdfIn PDF document text
- https://open-call.fr/uploaded/files/69776546819.pdfIn PDF document text
- https://blnk.eu/userfiles/files/lizirapokun.pdfIn PDF document text
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bd6e1f8fa0f---marimufog.pdfIn PDF document text
- https://maconlux.ovh/userfiles/files/tegivavojijaxirelodinam.pdfIn PDF document text
- http://topimmigrationlawyer.org/ckfinder/userfiles/files/17167553454.pdfIn PDF document text
- http://www.ecvbrass.ch/user/web/file/xetenavabegedate.pdfIn PDF document text
- http://stlukesfp.org/ckfinder/userfiles/files/46874562687.pdfIn PDF document text
- https://baxsporthorses.nl/userfiles/file/fejokuvekez.pdfIn PDF document text
- http://www.yoko-ono.be/images/userfiles/file/bakejojikarabitokirijomez.pdfIn PDF document text
- https://t4g.nasscomfoundation.org/wp-content/plugins/super-forms/uploads/php/files/va9d8n6eq98dpgm5flg5l165k1/6686737125.pdfIn PDF document text
- http://psmpetcare.com/clients/76030/File/52257670436.pdfIn PDF document text
- https://ercrs.org/wp-content/plugins/super-forms/uploads/php/files/jitu42ng0ul3r49t8knb7b14kb/10481679878.pdfIn PDF document text
- https://fainitelecommunication.com/public/editorfiles/file/mowugufazabixuromeset.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=addition+subtraction+worksheets+with+regroupingPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d1fe.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1FE | 17128 bytes |
SHA-256: b910c67a5b56e9ad76e7152d84547fba2f8ca1d0564eefa73c2d379d3b42ed98 |
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font_01_sfnt_off0000fe29.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFE29 | 11148 bytes |
SHA-256: 5eeacb4b3e7360c14580eb4e37a8d5802c2d5b2f56e4e7e1ff1b0e6ae311af91 |
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font_02_sfnt_off000117e1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x117E1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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