MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
The PDF contains multiple links to external websites, many of which are hosted on compromised CMS platforms and appear to be part of a link farm. The ML classifier and ClamAV detection strongly indicate malicious intent, likely phishing or malware distribution. The document body, though heavily obfuscated, contains text related to salary information, suggesting a lure to trick users into visiting these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9998
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://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/16085b6bb33e23---kobis.pdf In PDF document text
- http://akgikorea.com/file_upload/fck_upfile/file/21833808616.pdfIn PDF document text
- https://www.isnb.co.uk/wp-content/plugins/super-forms/uploads/php/files/6acf30ef0505d1747ea98c67daa9365c/jekibenijazopi.pdfIn PDF document text
- http://becro-plast.hr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2ec15c0c1---jopedanupofojitelututas.pdfIn PDF document text
- https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/ogtjf2ebvt73tl5v1lbkkikkjn/9120613200.pdfIn PDF document text
- https://bbpartner.cz/userfiles/file/63732029020.pdfIn PDF document text
- http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160711307c1e4f---5588204639.pdfIn PDF document text
- https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/888e4f02facbf2971aa4c7ecd4e227e5/63152472655.pdfIn PDF document text
- http://pantryscan.com/123cars/imagefck/file/wemibexibenizumoworimen.pdfIn PDF document text
- http://allmedicus.com/userfiles/file/40568310174.pdfIn PDF document text
- http://drstevealbrecht.com/wp-content/plugins/super-forms/uploads/php/files/539d99d04695fc6adc93e9852908c99a/mudiguvekoj.pdfIn PDF document text
- http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d2891ea258---sefesoni.pdfIn PDF document text
- https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/6veu20cdpqorgcjmlffesadseu/xamasovi.pdfIn PDF document text
- https://qualitylightsolutions.com/wp-content/plugins/super-forms/uploads/php/files/633913ddbcd2aaa1b121c44309b45f09/zusajesifobofogixititom.pdfIn PDF document text
- https://stopserv.ru/files/file/90740979590.pdfIn PDF document text
- https://www.chinacimctrailer.com/wp-content/plugins/super-forms/uploads/php/files/f4cf5787a33491175f71a757b134ef19/3898451156.pdfIn PDF document text
- http://www.ascendercorp.com/In PDF document text
- http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=how+much+do+supply+chain+managers+make+in+canadaPDF 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://scripts.sil.org/OFLIn PDF document text
Extracted artifacts 2
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d76f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD76F | 5704 bytes |
SHA-256: a2353ea70c6c5111c5c086af228a664103bce25f1baff3c114685a17a7fb9bd4 |
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font_01_sfnt_off0000eac2.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEAC2 | 10300 bytes |
SHA-256: da1155d917c63e9af0bb7010300d93e5cdc718d3e5bdc5bf9e2afd7265c7a316 |
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