MALICIOUS
204
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document exhibits characteristics of an advance-fee scam, using lottery or prize lures combined with parcel delivery requirements. It contains embedded JavaScript, likely intended to download and execute a second-stage payload from one of the numerous external URLs. The ML classifier strongly indicated maliciousness, and ClamAV detected it as a phishing trojan.
Machine Learning
- Nyx PDF Classifier malicious score 0.9951
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://dlt-nkp.com/fileupload/file/tibowedi.pdf
- http://www.lauricedale.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16131c128ae455---43998966307.pdf
- https://bamfieldrental.com/userfiles/file/boxopuloxu.pdf
- https://rabudiagnostic.com/userfiles/files/63513740733.pdf
- https://studyhalltracker.com/files/file/18842693025.pdf
- http://everestlodgelukla.com/userfiles/file/xejozubalobuf.pdf
- http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/am6vtfiqvlnk4nhfdpp9egcsab/60819032678.pdf
- https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613915a72d022---97184556885.pdf
- http://finalbrand.cz/upload/file/5653264684.pdf
- http://maymaygiaydachidang.com/upload/files/33152411655.pdf
- http://autosoftware.company/autoresponders_images/files/wenawexedige.pdf
- http://kovacsoltvaskerites.hu/images/file/37878327140.pdf
- http://biometria.pl/photos_fck/file/19660926495.pdf
- http://bachova-terapia.sk/images/file/84249845947.pdf
- http://slovoveri.org/userfiles/74401620237.pdf
- http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161369fe9b46aa---51913250854.pdf
- https://stcatherine.ac.ug/wp-content/plugins/formcraft/file-upload/server/content/files/1612eca6700ae9---xubenunig.pdf
- http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613887dcd82b6---31972292690.pdf
- http://emailreceptionist.net/userfiles/file/63520838592.pdf
- http://chi-kara.net/userfiles/file/kijikedojexurotubige.pdf
- http://chithanhplastics.com/uploads/userfiles/file/48178056705.pdf
- https://www.vek-bg.com/app/templates/js/ckfinder/userfiles/files/52640116059.pdf
- http://townofwinslowin.com/flash/townofwinslowin.com/file/33261625702.pdf
- http://www.appsolutely.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16139c2d2b14ac---sorozazupeduwomefuso.pdf
- http://stonebreaker.at/2460479278.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=fifa+19+patch+for+fifa+14
- 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_off0000e27f.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE27F | 16792 bytes |
font_01_sfnt_off0000fa91.bin32e9dcde9f350ab6a7acb9feb6280d48bf19305c8a4d3ff23234faabf43a0729 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFA91 | 17244 bytes |
font_02_sfnt_off0001270b.bine1eade4b41f8af7b88a7cfaab17ab63cdf4653c6206501ac1590f4fa06dfc81f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1270B | 10400 bytes |
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