MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file contains numerous external URIs, many pointing to compromised WordPress sites, suggesting it functions as a link farm. The presence of a 'download button' heuristic and ClamAV detection as 'Pdf.Phishing.Trojan' indicates a malicious intent, likely to lure users to phishing sites or download further malicious content. No scripts were extracted, but the overall structure and URL patterns are indicative of a phishing or malware distribution campaign.
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 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://krisoc.ru/uplcv?utm_term=download+subtitle+godzilla+king+of+the+monsters+2019
- https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/1608e2465f3148---jawolize.pdf
- http://4bx.pl/public/file/bumimasetazejexudijaruf.pdf
- https://agronlogistics.com/userfiles/files/kexek.pdf
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160728c5a837c5---tulalix.pdf
- http://amoy-art.com/Upload/file/42507008674.pdf
- http://bjhtdszdh.com/v15/Upload/file/2021612100495249.pdf
- https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d8b240d1e3---takasetejusizofe.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606edaaddaf4e---6361023961.pdf
- https://feriaesotericadeatocha.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c87704a206---zusibenerabup.pdf
- https://accuratesearch.com/userfiles/file/36838632452.pdf
- https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077e7319c6f9---42575145788.pdf
- http://www.iqubz.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753eb1ad3b8---98627489367.pdf
- http://dui-antidote.net/images/userfiles/file/16852192296.pdf
- https://www.albispanaderia.com/wp-content/plugins/super-forms/uploads/php/files/b3deb26f92fa46ff5dc4263a2ff8a44e/jisurejabutewiju.pdf
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/279nqql1903djss601jgikpo12/94472443350.pdf
- http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a659a0144e7---popurivoneriwex.pdf
- http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d77fd6fa64---kopelumiku.pdf
- http://kadernictvo-svetlana.sk/editor_uploads/system/files/riruxejagurikubama.pdf
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160bf0dee1dc1a---wuwovuxekizubivezatudoba.pdf
- http://xperion.hu/wp-content/plugins/super-forms/uploads/php/files/d053db9fb14471fd9d66b7331681801b/tumafirawukapiwebebusodug.pdf
- http://ruoumoc.com/upload/files/20157161968.pdf
- https://maugli24.ru/wp-content/plugins/super-forms/uploads/php/files/ac6dfd9178204e0d6d0948f67e580f72/64028081591.pdf
- http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16096c02d99c0b---ritixalilikeguguwezixosut.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_off0000c20a.binab5f21558590451eab30688770d0a7bb638fb6e40413ab96254d7534769edb77 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC20A | 11744 bytes |
font_01_sfnt_off0000ddd2.bin1f69636309f0fbe3d48f39cd68d4462d8a70fa6994be11901a8d661fb9dfbd74 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDDD2 | 16856 bytes |
font_02_sfnt_off000109fa.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x109FA | 16792 bytes |
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