MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ClamAV as Pdf.Phishing.Trojan and an ML classifier indicated a high probability of maliciousness. The document contains a link farm pointing to multiple compromised WordPress sites, suggesting an attempt to distribute malicious content or conduct phishing. No scripts were extracted, but the presence of numerous external links indicates a redirection mechanism.
Machine Learning
- Nyx PDF Classifier malicious score 0.9983
Heuristics 6
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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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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://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/9cfc147d2a399be9644b5dcfd8037bda/weluwabofebobosezu.pdf
- https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/44d2cdf49da55413d8ae9941f88403dd/20269771339.pdf
- http://ubestsports.com/imager/files/20210620173228.pdf
- https://vzglavniki.net/data/file/lixedizusufox.pdf
- http://www.afamaresme.org/wp-content/plugins/formcraft/file-upload/server/content/files/16071c851216fa---nijunajuzeseravexopimede.pdf
- http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c3555cdde02---kaxufawuluboved.pdf
- http://pereplanirovkaoblast.ru/pict/file/wepusi.pdf
- https://www.landalastadservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbd4270e576---jesepuxuk.pdf
- https://jxloanchien.com/style/postimage/file/86271891975.pdf
- http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bc53562ff8---pafumawiwafolubisu.pdf
- http://dnepropress.net/files/file/napude.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/8acd6249f0e29fb54ec5b699d490f991/sixaxaxum.pdf
- http://zonazero.es/userfiles/file/xaderutedu.pdf
- http://yngc.ru/admin/ckfinder/userfiles/files/1487376061.pdf
- https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/psbrcpkpqsm4sfinpsm080chvs/kurilejokokerux.pdf
- http://codienlanhminhquang.com/upload/files/45351491096.pdf
- https://okud-istra.hr/userfiles/file/94686332382.pdf
- https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/7ac0deb2f3d9cc792ac956fffdccfefe/83456498489.pdf
- http://inbond-cn.com/userfiles/file/toxevemafuvomezutagolab.pdf
- https://tehnol.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160e13fbad37b8---95221370609.pdf
- http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c322d0078c4---15227382331.pdf
- http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096b885eae32---kelawutijajudo.pdf
- http://hobbstownis100.com/clients/6/66/66141d04a4341350d76ae3a38785cb5a/File/80215576526.pdf
- https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160fde4b165954---jiguwidubijiguvafiwapi.pdf
- https://www.clubmanizales.com.co/wp-content/plugins/formcraft/file-upload/server/content/files/160cc33aaebb65---janukakutaseloniratelus.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BvfzZFkJO3s/uplcv?utm_term=exercices+sur+adjectifs+epithete+et+attribut
- 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 5
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb95.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB95 | 16792 bytes |
font_01_sfnt_off0000e3a7.bin9f39ebbeaf039820241c967e32d8794f42965c71e7a33cf58f65e9d97f8dc7f9 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE3A7 | 18220 bytes |
font_02_sfnt_off000111e6.binb711b92a95f65213dd0f1e958304897867cb15e41607e416f5318dd51e4b8913 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x111E6 | 10904 bytes |
font_03_sfnt_off00012afc.bine3a1ca7fbcde87b6e2bc585668cff1a50452d2a09c95c546c16e9f90aebd6500 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12AFC | 1636 bytes |
font_04_sfnt_off000132c8.bin9d5144547e0b729630886a3ad3ce48e7da84b0115899dd9c2390406af6f0fecd |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132C8 | 16092 bytes |
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