MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. It contains numerous links pointing to compromised websites and disposable hosting, suggesting it functions as a link farm to distribute further malicious content. No scripts were extracted, but the presence of external URIs and compromised CMS uploads points towards a phishing or malware distribution campaign.
Machine Learning
- Nyx PDF Classifier malicious score 0.9926
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=features+and+significance+of+the+theories+on+entrepreneurship
- http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a9e259bcb80---4936734480.pdf
- http://aarogyamedico.com/userfiles/file/6391760100.pdf
- https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/ausd4ktd4fbpcqsll6t5g4v12v/47366230054.pdf
- https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160bbe58e1bc84---jebip.pdf
- https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/de557ed41cb6369ca3058b0ba89c89fc/xupujujex.pdf
- http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/87135847294.pdf
- http://www.icodar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c69d06e679d---zovigujatiteli.pdf
- http://ztkammer.at/uploads/file/mokarorowi.pdf
- https://ovth.ch/userfiles/files/liwiwusow.pdf
- https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160825fceefafc---86431067427.pdf
- https://tripleccompanies.com/wp-content/plugins/super-forms/uploads/php/files/9ca721ba13c4ce519b163c76b9d9dc19/lexivakaritugopajiwibozel.pdf
- http://wjvanderheidedienstverlening.nl/uploads/file/74988028662.pdf
- https://aartipalette.com/userfiles/file/40947375386.pdf
- https://www.potterycommercials.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a1d328d58fa---77822114603.pdf
- http://thanhlamresort.vn/wp-content/plugins/formcraft/file-upload/server/content/files/1608f5ceb6199d---gativezazo.pdf
- http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608cd7baaf02f---serene.pdf
- https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7961d1bbff---61049616992.pdf
- http://friluftsgruppen.se/wp-content/plugins/formcraft/file-upload/server/content/files/160d466154ab3e---zazijewijofazukesodaf.pdf
- https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca47326c39---mezugigerono.pdf
- http://ztkammer.at/uploads/file/guxilekamokax.pdf
- http://udaybharat.in/ckfinder/userfiles/files/33586931765.pdf
- http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c1cbcb10469---89169360546.pdf
- http://gursakaryahukuk.com/images/file/vinajesevul.pdf
- http://wksystems.net/HotelEstimator/userfiles/file/23030345372.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_off00013cbf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13CBF | 16792 bytes |
font_01_sfnt_off000154d6.binbe0f1733d907519858bd8a52fa4dbfea6192d44587e130f4bcd8a4a749140039 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x154D6 | 10932 bytes |
font_02_sfnt_off00016dde.bin1966ed61cb0e9dc9c33265d6abbabcb0d2894d93cef1d672ffe61ed691bc5671 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x16DDE | 16900 bytes |
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