MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external links, many of which point to compromised WordPress sites or disposable hosting, indicating a link farm designed to redirect users. The ClamAV detection and ML classifier strongly suggest malicious intent, likely for phishing or malware delivery. The embedded JavaScript is a common technique for exploiting PDF vulnerabilities or initiating further malicious actions.
Machine Learning
- Nyx PDF Classifier malicious score 0.9964
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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Embedded JS stream low PDF_JSPDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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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://aterhesseg.com/up_image/file/ruwobadod.pdf
- https://laihouston.com/wp-content/plugins/super-forms/uploads/php/files/20d074ea21e84f03c66f31918a6eac76/pikowidapu.pdf
- https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/1607ece689a55b---womev.pdf
- https://abofahed.com/userfiles/file/kozosirozidirasosalu.pdf
- https://himalayanthailand.com/image/upload/File/jovepabadivusoridagunexo.pdf
- https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/kvf9kgms1jueishc4epocct0i9/kobewipodug.pdf
- http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/l0r1k0e80r2j2a18jgrpt6nvt5/23428037000.pdf
- https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/4ddb117b877f9377e8c760ae88a28e81/86157305628.pdf
- http://iccjsc.com/images/uploads/files/75129451197.pdf
- http://1utilaje.ro/mm/file/zagozuz.pdf
- http://asirakademi.com/resimler/files/83032205619.pdf
- http://www.adanakursmerkezi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a530f3ab78---lubozibejawativefedagutor.pdf
- https://e-lightingcontrols.com/wp-content/plugins/super-forms/uploads/php/files/6b02dc2f271be2e0285350c2c84e8209/kirozene.pdf
- http://feach.ie/images/uploads/file/fotuvan.pdf
- https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609558d5f29a6---57436746108.pdf
- http://www.irrv.org/uploads/files/rivusapovinapotirufidiw.pdf
- http://to-kajihan.net/js/upload/files/raderusidaruji.pdf
- http://aleeblog.com/wp-content/plugins/super-forms/uploads/php/files/blnr4jkr38l31hkm38ksc3s5s3/dezujenikumi.pdf
- https://www.verimevzabavu.cz/ckfinder/userfiles/files/318991909.pdf
- http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af9e376b20d---mukavukakojuvagito.pdf
- http://andlupa.com/userfiles/file/nuzanetiretar.pdf
- https://robertmatzuzi-massagetherapist.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5ff3eb19b---tamowisik.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=pluto+is+no+longer+a+planet+reason+out
- 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_off0000edbc.bin3e110f3218af1b0e946f1d755922724ff23a4d7b4154ef47dafe01549f15c50d |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEDBC | 10528 bytes |
font_01_sfnt_off000105df.bincafa0988873f0c04cf232ce7ec3b766546a116d0e5dd6f958b836117caa9c855 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x105DF | 17460 bytes |
font_02_sfnt_off0001336a.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1336A | 16792 bytes |
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