MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a link farm directing to multiple external URLs, with several hosted on compromised CMS platforms. The 'SE_INVOICE_LURE' heuristic suggests a phishing or payment scam pretext. The ML classifier and ClamAV detection strongly indicate malicious intent, likely to lead users to malicious sites or download further payloads.
Machine Learning
- Nyx PDF Classifier malicious score 0.9985
Heuristics 7
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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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Fake invoice / payment lure low SE_INVOICE_LUREDocument contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
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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://photou.cc//ckfinder/userfiles/files/83297518046.pdf
- http://asztalosweb.hu/userfiles/file/jufidevipinegisonovo.pdf
- https://powermailer.in/userfiles/file/56688193477.pdf
- https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/59097bfb52033d0a06d9ed8529c04031/difamavizuniruteminafu.pdf
- http://weberstellen.ch/userfiles/file/50818076314.pdf
- https://beribuket.ru/wp-content/plugins/super-forms/uploads/php/files/383915cfb0eb02f71ba0bbb8bfb9b433/62556134615.pdf
- https://travelsafeway.com/userfiles/file/dewadabenep.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/cd7189a27e44bfdb13e2b0c261d68e12/70041271994.pdf
- http://lab4050.com/upload/editor/file/47318711972.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ceabd8aeac---wutemufogimokif.pdf
- http://ristoranteyuri2.com/userfiles/file/gipubugav.pdf
- http://3dtechgroup.com/uploads/image/files/suzabesozanori.pdf
- https://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bf8836df720---78526126178.pdf
- http://fairway.cc/images/blog//file/59433597122.pdf
- https://gk-termopanel.ru/wp-content/plugins/super-forms/uploads/php/files/70590f451409ad823ddd5fd15fa144c9/gutovuv.pdf
- http://vimbark.sk/editor_uploads/files/vozumexotolixewog.pdf
- https://sfeerweter.nl/userfiles/files/rumefawu.pdf
- http://szsahsh.com/uploads/files/nafukikuxaf.pdf
- http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160831d6544f9d---muwomapaxos.pdf
- https://costumeworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608162db3bf14---17532029663.pdf
- https://cristalensi.com/public/File/kopekugurajigelive.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=eid+meaning+in+english
- 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_off0000bfc3.bin25d48251d316e76cb059d0c0d04b3943427aceaeb8072c197e661a1f69281730 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBFC3 | 17180 bytes |
font_01_sfnt_off0000eca6.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECA6 | 16792 bytes |
font_02_sfnt_off000104bd.binf0eb44e3b3f39debcb7f6e2c24bdee06ae5561db280c4d90de2813e76ecf31c7 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x104BD | 10360 bytes |
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