MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The ML classifier and ClamAV detection strongly indicate maliciousness. The heuristic 'SE_ADVANCE_FEE_SCAM_LURE' confirms the document's purpose is to trick users into paying fees for non-existent prizes or funds. The numerous embedded URLs, many pointing to compromised CMS uploads or disposable hosting, serve as lures for this advance-fee scam.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
Heuristics 7
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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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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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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://anhuizhkj.com/upload_fck/file/2021-5-5/20210505111833801064.pdf
- https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df0c9d38223---nutizitudome.pdf
- https://www.hdontheroadnapoli.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608542ccde0e9---3175722142.pdf
- http://dailymaytrogiang.com/userfiles/files/zawujazuxesegu.pdf
- https://bulendengin.com/upload/ckfinder/files/fijuvenepamuze.pdf
- http://hasici-pristroje-eshop.cz/files/file/20727553870.pdf
- https://arerp.kr/data/file///dofalaximeron.pdf
- https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b11fa247033---43613999693.pdf
- https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160763730b29ee---95214605427.pdf
- http://alarcon-v.com/editor_upload_image/file/kusifi.pdf
- http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c1fc9df3a0e---13450750243.pdf
- http://melissajacksonmd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c94b68b9703---paripuginazesasiwun.pdf
- https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d1ee4cb09e---89898832169.pdf
- http://ucinnovation.ru/admin/ckfinder/userfiles/files/2229416232.pdf
- http://ks4073.com/file_media/file_image/file/9508118539.pdf
- http://alliance-ltd.com/userfiles/xexudixexetupodevanunoj.pdf
- http://ceskylakros.cz/userfiles/file/mifapunotulojiwavuxokakut.pdf
- http://absigorta.com/E/file/mipatanavadadevedi.pdf
- https://kitapkapla.com/upload/ckfinder/files/mewejolojafote.pdf
- https://irantruck.ir/data/file/noworudolodililexazi.pdf
- https://pensiuneavalentina.ro/app/webroot/file/48020883927.pdf
- http://geoodwierty.pl/files/file/biwimizepasusuzikusosufo.pdf
- http://smartarts.bg/userfiles/file/bikuvanozedufekupoba.pdf
- https://attack.lt/images/files/xurasumapiwajafiwoji.pdf
- https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a0ff2b814---69044352448.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+ink+out+of+a+blanket
- 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_off0000f2b2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF2B2 | 16792 bytes |
font_01_sfnt_off00010ac4.bina859cb6a9c65da2b1f32be9cd938bfbb03ab059ca229afe83ceb949c42b59ded |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10AC4 | 17124 bytes |
font_02_sfnt_off0001376a.bin688e6c159fcf3a254a24a13edbf22d5f4573fde91a4124cf92ed923e9957bae6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1376A | 10532 bytes |
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