MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is identified as malicious by ML classifiers and ClamAV, indicating a phishing or trojan threat. It functions as a link farm, directing users to various external URLs, some hosted on compromised WordPress sites, with the intent of leading them to malicious content. The presence of a 'download button' heuristic further suggests a lure to download a payload.
Machine Learning
- Nyx PDF Classifier malicious score 0.9942
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 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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://oniceh.ru/uplcv?utm_term=open+play+store+if+app+not+installed
- http://iburgisidimarsala.eu/userfiles/files/37718123532.pdf
- http://lagostena.it/userfiles/files/bozop.pdf
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/160840b84b2dc6---14046062786.pdf
- https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1debf14c5---98505015272.pdf
- http://high-keenltd.com/userfiles/file/58777676576.pdf
- https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a85a797d6---72448704065.pdf
- https://www.chortho.co.uk/wp-content/plugins/super-forms/uploads/php/files/sc9i1j74uv4hg659352v8afs48/mitepib.pdf
- https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d48588040f9---dijetunoxorep.pdf
- http://birkhoffhi.com/userfiles/files/78009478432.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/g709nm3bvuj8avsgoc768gheo4/sawaxesezejedelipenuwif.pdf
- https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606f41c686311---rifabaxajidox.pdf
- https://vatlieutaphu.com/upload/files/39441303662.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160ab10527f980---jexisadomuka.pdf
- http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16090d65ec5317---gapemonidelagejipumo.pdf
- http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d47db448399---pofujovosodasotuzu.pdf
- https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/m0jfq93mtbc2aut9srrq1nfah2/gelizozos.pdf
- https://www.kbstephens.com/wp-content/plugins/super-forms/uploads/php/files/975115268b75dfb07fa840d942e0e1c1/77137616016.pdf
- http://diysmart.net/userfiles/file/2466245526.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160848d23a3416---zilosajivosuwa.pdf
- http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160981f0a4e37f---22103289154.pdf
- http://tubietelbar.hu/uploadfile/46998681559.pdf
- https://studiopros.com/userfiles/file/
- https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a5c8e4d49c3---70264899385.pdf
- https://cashofferoregon.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afd0cbaa59b---ragurusowoduxejurafe.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/e8qc0rj1udaq1itljdkkak5mon/12451596688.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_off0000f4d1.binab57a4ad32168c7bf1e22b3856fbc20776b840f16922ea6e969608ae7d1666f8 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF4D1 | 17632 bytes |
font_01_sfnt_off00012375.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12375 | 16792 bytes |
font_02_sfnt_off00013b8c.bin50fd457580524627ac2652e952a4bd593a5ca8dd612454dd4a21f658293c9edd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13B8C | 10632 bytes |
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