MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is identified as malicious by ClamAV and an ML classifier, and exhibits characteristics of an advance-fee scam. It contains embedded JavaScript, which likely attempts to download and execute a second-stage payload from one of the numerous external URLs. The URLs point to compromised WordPress sites and disposable hosting, further indicating malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
Heuristics 8
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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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Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LUREDocument contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
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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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://krisoc.ru/uplcv?utm_term=android+phone+photo+recovery
- http://eurolocal.info/sites/default/files/images/file/gorixe.pdf
- http://legalinet.eu/userfiles/files/69444124179.pdf
- http://adidravidar.com/ckfinder/userfiles/files/sogugisedodit.pdf
- https://htapigroup3.com/contents/files/6802509714.pdf
- https://martan.es/cenavarra_userfiles/files/44289259049.pdf
- https://endeligmandag.no/e-brev/data/div/18330294101.pdf
- https://blsautomation.com/ckfinder/userfiles/files/84573905206.pdf
- http://thaifilmind.com/UserFiles/file/85790240721.pdf
- http://westfallassociates.com/documents/file/81885257056.pdf
- https://gamma-electronics-eg.com/userfiles/files/devuvotejepisadegejosola.pdf
- http://rulife.ru/ckfinder/userfiles/files/98016262166.pdf
- https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/18732685839.pdf
- https://ceilford.org/wp-content/plugins/super-forms/uploads/php/files/bc130ac7ac4b8b0d493ae2033109e6c4/gerofekikilapopakisujog.pdf
- https://cgeminfos.ma/upload/file/wufenetisimutukomusugekak.pdf
- http://aibrpjoaae2.specialty-match.com/upload/files/6954736689.pdf
- https://livewireeventz.com/userfiles/file/megamonuve.pdf
- https://xn--fct5g39pjpo.tw/upload/leakstop/files/53199908696.pdf
- http://www.companyforte.com/imagenes/editor/file/furav.pdf
- http://xn--22cjbbm2eyae3ehabdb4kqdtae3dxnnc1fhf.com/user_img/files/10774510570.pdf
- https://ladulceseguros.ar/noticias/fckeditor/file/fofatege.pdf
- http://defhjdrjioo.friend-match.com/upload/files/kaxolezin.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/161303c6aa0c24---nidavi.pdf
- http://rialta.ie/userfiles/files/jemireta.pdf
- http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139de4d18194---61782219277.pdf
- http://dynamic1984.com/user_file/file/37828869529.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_off0000ea2d.bin01a3fc91cb8183ac5b555c24a0bdada6c7c2b135a84bad1db65463d946446442 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA2D | 17708 bytes |
font_01_sfnt_off00011890.bin6344b82d0aea1c2ea6eb38bbc0e32968180289b9dff3e7c1832170e9ff47b6d8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11890 | 10396 bytes |
font_02_sfnt_off00013006.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13006 | 16792 bytes |
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