MALICIOUS
236
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF document exhibits characteristics of an advance-fee scam, presenting a fake CAPTCHA or verification prompt to trick users. It also functions as a link farm, directing users to various URLs, some of which are hosted on compromised CMS uploads. The ML classifier and ClamAV detection strongly indicate malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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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Fake CAPTCHA / human verification prompt high SE_FAKE_CAPTCHADocument displays a fake CAPTCHA or human-verification prompt — used to trick users into running commands or pressing keyboard shortcuts
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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://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/d324c21dcaa2d9d78a94df50d310c0cf/vasuwovezad.pdf
- https://xn--80aaa1arbfjoe3bzh.xn--p1ai/data/files/tilodudagerekumu.pdf
- https://ccskin.com/geektic/files/tibejute.pdf
- https://svetplus.com/userfiles/files/jogoxasawawaji.pdf
- https://fcksa.com/ckfinder/userfiles/files/13510235025.pdf
- https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/98f95517ece1dea7bfe5d012940c2fd1/roxez.pdf
- http://houtackers.nl/userfiles/file/53091341263.pdf
- http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132f560c1401---81840511244.pdf
- http://gazomotor.com/allinone/file/difolabukajiro.pdf
- https://pristineleather.com/userfiles/file/lojawurad.pdf
- https://marikakozmetika.hu/editor_up/15645082273.pdf
- http://thewesternmist.com/userfiles/file/72549931988.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613326a0eb712---ginedazekam.pdf
- https://debo-fit.be/userfiles/file///bepipudidunedofot.pdf
- https://madspot.dk/ckfinder/userfiles/files/56760940402.pdf
- http://chaitraglaze.com/uploads/84432930071.pdf
- http://neilreardon.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/23884040906.pdf
- https://hiperaktivite.info/userfiles/files/41509098225.pdf
- http://businessplan-capalpha.fr/mbp/upload/images/images/upload/ckfinder/finogusedowopesepiwibu.pdf
- http://kramor.bg/userfiles/file/nujuzumodavariz.pdf
- https://kitapkapla.com/upload/ckfinder/files/rowefepodaxezuzi.pdf
- https://sgcaregiver.org/contents/files/6108134376.pdf
- https://blugarden.eu/file/wotifazoporab.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=minecraft+java+edition+free+code+2020
- 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_off0000ed35.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xED35 | 16792 bytes |
font_01_sfnt_off00010547.binf89ad551166156c68a4a435bfcf25993dee5958f72165565791cbf64f679af8e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10547 | 18152 bytes |
font_02_sfnt_off000133f4.bin4af87fd710ec57fac4e45adac3bb232e37eccf9a32d4e8d6e5940f66e130a29a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x133F4 | 10684 bytes |
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