MALICIOUS
196
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file contains numerous links to external resources, many of which are hosted on compromised WordPress sites and disposable domains, indicating a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to deliver a secondary payload or phishing content. No scripts were extracted, but the presence of multiple PDF_URI and PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM heuristics points to a phishing or malware distribution scheme.
Machine Learning
- Nyx PDF Classifier malicious score 0.9953
Heuristics 7
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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 to algorithmically-generated URL high PDF_RANDOM_URL_LINKPDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
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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://geoodwierty.pl/files/file/jebifururezokasuroputewat.pdf
- http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608234aa3b538---30485621846.pdf
- http://rentaruedas.com/files/others/84554547474.pdf
- http://www.allatpatikapecs.hu/images/file/kutiwezabiw.pdf
- https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/73042a963624f2fb0952c8304f4adccf/96966482125.pdf
- http://syuncyoku.jp/upload/file/berarawubin.pdf
- https://mm-podium.ro/userfiles/file/fagavowigu.pdf
- http://coming-c.com/userfiles/file/takirizu.pdf
- http://rollfactorytogo.com/uploads/files/nepebuzugitujexuboto.pdf
- https://cls-toronto.com/wp-content/plugins/super-forms/uploads/php/files/72bb43c7176ca9613f894070f873eafa/tujuxemajomefi.pdf
- http://www.etoiles-recrutement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b961d6570d---96419076804.pdf
- http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bead57dc9b0---kuxek.pdf
- http://basyapiemlak.com/yukleme_klasoru/userfiles/file/68878126908.pdf
- http://nd-58.ru/wp-content/plugins/super-forms/uploads/php/files/c8f9f9ffc93025a722c99b216b38f28d/40285139202.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3910336c6b---59006099180.pdf
- http://geonatlife.es//ckfinder/userfiles/files/jixozusudutuluvibejunum.pdf
- http://rhondadejean.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/fenusujodirekibun.pdf
- https://aduanaldelvalle.com/userfiles/file/duxugofogapij.pdf
- http://baugeraeteverleih.de/benutzerdateien/gizitolanekid.pdf
- http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079adb732dd0---62767942113.pdf
- https://www.autodepotperformancegroup.ca/wp-content/plugins/super-forms/uploads/php/files/l92snfu1i8ecijd3ua5uiog4q1/garakaname.pdf
- http://614move.com/clients/4890/File/lepubinadamopimefori.pdf
- http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/810leo90uiopveilnhmprvoh93/36329180242.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=introductory+circuit+analysis+boylestad+11th+edition+pdf+free+download
- 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_off0000bc52.bin373626767e507ef434daca0c7c7bc01e9282e627cfd0aaece9fca97b7a810761 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBC52 | 11160 bytes |
font_01_sfnt_off0000d63e.binc8d2f37b332d30e5088faa0e33dd3d37c69843e220d0c99e3081374e38a25011 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD63E | 16892 bytes |
font_02_sfnt_off000101c2.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x101C2 | 16792 bytes |
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