MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The PDF file was flagged by a machine learning classifier and ClamAV as malicious, specifically as a phishing trojan. Heuristics indicate it functions as a link farm, directing users to multiple external websites, some hosted on potentially compromised CMS uploads. While no scripts were explicitly extracted, the nature of PDF link farms and the ML/ClamAV detections suggest an intent to exploit users through malicious links, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9974
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://tractorpulling-emmeloord.nl/upload/file/zekozavu.pdf
- http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613249495b305---sagiroxa.pdf
- http://vesimport.ru/userfiles/file/nakewodisorejitavik.pdf
- http://hkwwta.org/userfiles/93488674344.pdf
- http://joesservicecenternj.com/userfiles/files/50597248639.pdf
- https://hung168.tw/UserFiles/files/13736778603.pdf
- http://seibyou-koujien.com/files/files/90494206538.pdf
- http://inspirationallabels.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16131b7b844d45---83328822584.pdf
- http://aburobocon2019.mnb.mn/uploads/files/55882351419.pdf
- http://pijntherapie.be/uploads/files/vujavabuv.pdf
- https://member-amz-seller-system.de/wp-content/plugins/super-forms/uploads/php/files/8e1477784fcc954428b7c7b2ed9826cd/bubivekufebirulebideteto.pdf
- https://nieruchomosciturystyczne.eu/files/file/4206964390.pdf
- http://dalnoboy.org/data/filestorage/upload/files/wimofuliwelu.pdf
- http://riggi.ru/userfiles/file/zulawewigulebififebekox.pdf
- http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613984fbb76e3---60391616343.pdf
- http://saaretravel.ee/images/file/wigijexudelefegub.pdf
- http://mwflower.com/upimagesfile///kijijilemilofewelogavu.pdf
- http://mientaytourist.com/uploads/files/pegusuvotagoserijuv.pdf
- http://mecateengenharia.com.br/ckfinder/userfiles/files/58911913891.pdf
- http://skidubravy.sk/spravca/ckfinder/userfiles/files/wuxujuniwerosoxodujeguzu.pdf
- https://frasertechno.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139f085edef6---65796229210.pdf
- https://playgametoday.ru/wp-content/plugins/super-forms/uploads/php/files/591584a726c6c39f7a75f5c2b2f20a22/85328250738.pdf
- http://wedding-box100.com/uploads/files/202109071920442737.pdf
- http://xn--90afqerdlt1f.xn--p1ai/admin/ckfinder/userfiles/files/42228409329.pdf
- https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/f6d85332d5d223e1ebf107131caaedea/dujuxuwunuded.pdf
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=retrieve+deleted+photos+from+android+free
- 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_off0000dc78.binc04e7f6353efb2c38ade5b7aa0730ca95d6eed287e4306567b12d0f62428d625 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC78 | 10876 bytes |
font_01_sfnt_off0000f568.binb5d21e950d581e80b47ee2bccbdd456dad8a34a83a48c8f483b4451231c6ee7b |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF568 | 17760 bytes |
font_02_sfnt_off000122f1.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x122F1 | 16792 bytes |
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