MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. It contains numerous links to external websites, many of which are hosted on compromised WordPress sites or disposable domains, suggesting a link farm or phishing lure. The PDF structure itself is also noted as having duplicate object bodies, which can be used to obfuscate malicious content.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://cerescommoditiesltd.com/Images_upload/files/29526324094.pdf In PDF document text
- https://amenagementsoleil.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4ef8031f41---80769770442.pdfIn PDF document text
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1606d6973e5884---xawimobanovedebumepod.pdfIn PDF document text
- http://cyklo-sport-servis.cz/UserFiles/File/dewodi.pdfIn PDF document text
- https://creteservices.com/FCKeditor/userimages/file/donuse.pdfIn PDF document text
- https://twr1115.net/files/fckeditor/file/zimubonakomiket.pdfIn PDF document text
- https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/ref2sb5bga7kvupieiprm0ru0h/fixirizawitefakowiji.pdfIn PDF document text
- http://balogmihaly.hu/UserFiles/file/degavojoro.pdfIn PDF document text
- http://sovaimm.it/userfiles/files/441165371.pdfIn PDF document text
- https://dobre-akce.cz/media/files/file/silisemotarik.pdfIn PDF document text
- http://optikametuje.cz/userfiles/file/vufegatowemabekoridile.pdfIn PDF document text
- https://guclupin.com/calisma2/files/uploads/sizebuxolajimafagoxikepe.pdfIn PDF document text
- https://www.syria-report.com/sites/all/libraries/ckfinder/userfiles/files/dunagozex.pdfIn PDF document text
- https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/b72e15cde1c89fae666364ca106bd765/50953953513.pdfIn PDF document text
- http://clinicacomciencia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16076e233bac00---92425500570.pdfIn PDF document text
- https://uaqbakery.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608414d2c1987---52139652115.pdfIn PDF document text
- http://www.segurosfacility.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607894157df40---84657052309.pdfIn PDF document text
- http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a6e6aec52---68516589804.pdfIn PDF document text
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4a31c4b7c---vadezozadagupunasuje.pdfIn PDF document text
- https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/s763ofk09i2g33fdkv9upepe97/xulivurolezut.pdfIn PDF document text
- https://wkd-uk.com/wp-content/plugins/super-forms/uploads/php/files/60616858b5d9c830669b49b8e8b7e9dc/84288535306.pdfIn PDF document text
- http://subventionsbetrug.de/wp-content/plugins/super-forms/uploads/php/files/vl76ajbhsolnnnhrbj2ph9i7ou/puxovedadarupubumawina.pdfIn PDF document text
- http://elcivan.com/admin/UserFiles/file/kuzuvubotafi.pdfIn PDF document text
- http://ca1970.com/clients/10044/File/relen.pdfIn PDF document text
- https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a7041eb9f44---wezuxuw.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=ejercicios+kegel+suelo+pelvico+pdfPDF 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_off0000dd27.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDD27 | 18728 bytes |
SHA-256: 7e3f2e40fcc1fc3044e7c85b18a73c9f03082706febe750961d58352f50904ba |
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font_01_sfnt_off00010d11.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10D11 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00012528.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12528 | 10804 bytes |
SHA-256: bd8b11f18646f5579b355de68873e8a124e141c9afeb39b11328371c776b9f76 |
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