MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged as malicious by ML classifiers and ClamAV, indicating a high likelihood of malicious intent. The document contains numerous external links, many hosted on compromised CMS platforms or disposable domains, suggesting it functions as a link farm. The presence of URLs like 'https://smidgel.ru/uplcv?utm_term=mx+player+pro+latest+version' indicates a potential lure for users seeking software, which could lead to phishing or malware downloads. No scripts were extracted, but the overall structure and URL distribution point towards a spearphishing attachment.
Machine Learning
- Nyx PDF Classifier malicious score 0.9968
Heuristics 6
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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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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://smidgel.ru/uplcv?utm_term=mx+player+pro+latest+version
- https://gym-rectif.fr/ckfinder/userfiles/files/jazavekixafoxalo.pdf
- https://dolupin.com/calisma2/files/uploads/dorolerige.pdf
- http://modellszerviz.hu/userfiles/file/joxarum.pdf
- http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/45294161822.pdf
- http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/46626283536.pdf
- https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/nhgambfc5tvdtme48m6h1033c7/datetemifo.pdf
- http://techsystem.gr/data/uploads/ckeditor/files/getonutolomiwapitoxino.pdf
- http://sanraimundo.cl/dyn/uploads/file/5400523123.pdf
- https://www.institutvzdelavani.cz/files/17856641091.pdf
- http://techmechengineers.com/uploads/18748589748.pdf
- http://adhunikjewellers.com/ckfinder/userfiles/files/valuxago.pdf
- https://www.audioclinica.pt/wp-content/plugins/super-forms/uploads/php/files/f46rg3cj59st1jlqnuejf1lb82/671760243.pdf
- http://comicpapyrus.com/wp-content/plugins/super-forms/uploads/php/files/9a70f46f914dfd415cd761ca6b694f3e/jozerufik.pdf
- https://acgroupenterprise.com/userfiles/file/84524580629.pdf
- http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140b9721110a---lavoti.pdf
- http://rooptex.com/uploads/88521902537.pdf
- http://e-park.es/img/uploads/files/taxujobiju.pdf
- https://lee-trading.tw/archive/upload/files/33462891259.pdf
- http://sdtr.mdrap.ro/fckeditor/uploads/file/73715678037.pdf
- https://economiadecomunion.com/ckfinder/userfiles/files/jeteretov.pdf
- https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f60e715818---kosibivoligi.pdf
- https://balticstroy.com/uploads/files/vuxawerimaxotot.pdf
- http://capesociety.ca/uploads/files/65645953644.pdf
- http://steclotildehorton.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612f950b1e0cc---49581088380.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_off0000af3a.bin2e01ca73ac2eca8dc319767b2bbf40af52296c94731d35330c00e1f35d3b2925 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAF3A | 14356 bytes |
font_01_sfnt_off0000d334.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD334 | 16792 bytes |
font_02_sfnt_off0000eb4b.binf9d9978cbf041fc37f0d9157e23d17b5f174b2547f47aeae6d2cd5c6bfb89867 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4B | 10520 bytes |
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