MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and by an ML classifier, indicating malicious intent. Heuristics reveal it functions as a link farm, with many URLs pointing to compromised CMS upload directories, suggesting a phishing or malware distribution scheme. No scripts were extracted, but the PDF structure itself is used to host these malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9827
Heuristics 6
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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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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://thehamptonsbloomington.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b33172e73c---49234122405.pdf
- http://mhinflatable.com/upload/file/movaludixuluvepu.pdf
- http://rungrawin-itt.com/userfiles/files/mobabex.pdf
- http://indagosrl.it/userfiles/files/tujisubivuvu.pdf
- http://keralastatetailorsassociation.com/userfiles/file/ninuvonimalusob.pdf
- https://www.mftelhas.com.br/adm/Editor/ckfinder/userfiles/files/tufopojak.pdf
- http://agro-vostok.ru/userfiles/file/bakojigipupifekotoveluluf.pdf
- http://potentialdesign.cn/userfiles/file/1630802328.pdf
- https://rosedreamholidayhomes.com/ckfinder/userfiles/files/40151413730.pdf
- http://eventologia.com/userfiles/files/bubekanowufamu.pdf
- https://vinadesigndanang.vn/uploads/image/files/22606035061.pdf
- https://taxforce.nl/userfiles/files/vibazedabewogunefen.pdf
- http://trufeel.com/ckeditor/ckfinder/uploadfile/files/39289363429.pdf
- http://nguyenthaotech.com/upload/files/gagofetuwawapotuzirekibo.pdf
- http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613342ecb68bd---nemimegep.pdf
- http://aldobini.it/userfiles/files/83207826115.pdf
- http://usarsenal.it/userfiles/files/valagusewupu.pdf
- http://deleersnijder-bocaege.be/images/file/nirewaxirobukegexeranip.pdf
- http://syarmarka.ru/userfiles/files/41183433114.pdf
- https://cicasoftavukatwebsitesi.demowebsiteleri.com/upload/files/34685118017.pdf
- http://studiocinti.eu/userfiles/files/14206868153.pdf
- http://xn--ob0bjxt9h99icicrvkksa421cwwp7hiv4d6a.com/ckfinder/userfiles/files/lusebisuf.pdf
- http://sushinamu.com/uploads/files/90159150338.pdf
- https://securitydm.eu/slicice/file/vijogudojegox.pdf
- http://sallytour.com/FileData/ckfinder/files/20210906_D7C05279910D3EF4.pdf
- http://garankuccu.com/upload/fckimagesfile/a024ae81a1e6704dae83f9a51efca8c1.pdf
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f7c8e31990---domive.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1KS0DP0cxss/uplcv?utm_term=drag+race+uk+free+online
- 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_off0000bb18.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xBB18 | 16792 bytes |
font_01_sfnt_off0000d32a.bin0469dd34972a6220bc3b83f568e52b9b16a244bc25251121f041effa56b6e98c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD32A | 17024 bytes |
font_02_sfnt_off0000feff.bina84825072e7597f3490e335bf11f1dcb49831f3df727673aad67ba05e1e04d7c |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFEFF | 10436 bytes |
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