MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs, many of which point to compromised websites or disposable hosting, indicating a link farm or phishing attempt. The ClamAV detection and ML classifier strongly suggest malicious intent, likely to redirect users to malicious content or phishing pages.
Machine Learning
- Nyx PDF Classifier malicious score 0.9977
Heuristics 7
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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 http://laskod.hu/userfiles/file/mowefuratowumo.pdf
- https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/f8ee094bbe9cf5067544bfd74ed5a7f1/beziloxokiwofururuzisu.pdf
- https://soechi.net/userfiles/file/53516011153.pdf
- https://mbbs.hr/files/71142861388.pdf
- http://cwpni.com/userData/ebizro_board/file/zajapekoralolusot.pdf
- http://tjsyjdq.com/v15/Upload/file/2021917254166285.pdf
- https://gulfb2b.com/userfiles/file/pabujupowena.pdf
- https://suma.ca/upload/editor/file/mezutazafenoz.pdf
- http://agro-norwa.pl/userfiles/file/87365323010.pdf
- https://texigo.tw/upfile/files/2021/09/16/wadavatosegoxugoramodawa.pdf
- http://sameiroeventos.pt/ficheiros/dodemovedarogodazipu.pdf
- http://vincitydata.com/uploads/ckfinder/files/fopopiniwijulukukozeboza.pdf
- http://sunil.kr/uploadfile/fckeditor/file/korajuzabeluxatijomo.pdf
- http://xn--90aoa5aj.xn--p1ai/ckfinder/userfiles/files/23406698216.pdf
- http://bilateralmatters.org/userfiles/file/34461360464.pdf
- https://eetravel.net/file/pojinozu.pdf
- https://demo-calson.garment-pro.com/ckfinder/userfiles/files/fesixebuxodozo.pdf
- http://bjjiffy.com/upload/zewukem.pdf
- http://www.roosprommenschenckelfoundation.nl/ckfinder/files/files/redanalilobugifelebalibow.pdf
- http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161475f73f2fd5---gonodewum.pdf
- https://cpc-serbia.org/js/files/70199419590.pdf
- https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16146028736039---tovewepimin.pdf
- https://arabadvertise.com/userfiles/files/4100391950.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=training+1+muscle+group+per+day
- 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_off0000d4a9.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD4A9 | 16792 bytes |
font_01_sfnt_off0000ecc0.bin4e7572c1ca0da1f962ba46ea6d1266b83e7cba3ffc9a0f7b56a75f73be40f933 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xECC0 | 10988 bytes |
font_02_sfnt_off00010614.binee850565d69d69d5ab10ca5fc6e66ad01fd3b0fe2a12b2d06c73a6f1e693a79e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10614 | 17920 bytes |
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