MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
This PDF file was detected as malicious by ClamAV and a machine learning classifier. It contains a link farm pointing to compromised WordPress upload directories, suggesting an attempt to distribute further malicious content or phish users. The presence of numerous links on disposable hosting further supports a malicious intent.
Machine Learning
- Nyx PDF Classifier malicious score 0.9840
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 http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079427e1c19c---63234302330.pdf
- http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16075ee23a038e---kipopizor.pdf
- http://sushi-belovo.ru/files/38051378777.pdf
- http://shsuorui.com/uploadfiles/fckeditor/20210619/file/16240672375960.pdf
- https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/namgll2rofs4vg77gtb57b0uo9/xikopobaduvukemoju.pdf
- http://rakkhunnursinghome.com/user_img/files/14958289471.pdf
- https://bataretak.com/img/files/file/81888267931.pdf
- https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb7c9954624---27829548329.pdf
- http://richardarnoldalumni.com/clients/a/ad/ad1dcfa6f69ac51e3fe6bec18f6cf6d6/File/kuzopuzune.pdf
- https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/40a26a1bbc14e0a57c698005d41e7414/14047637297.pdf
- http://staging.impactredevelopment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e164577511---94167268253.pdf
- https://bilbox.es/wp-content/plugins/super-forms/uploads/php/files/311d0d8fc67975f0e58e809c38877009/48670737630.pdf
- https://gmt-tw.com/app/webroot/userfiles/files/70315031171.pdf
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/1607d03d0ec566---zataluzemefiguwe.pdf
- https://njsolarpower.com/wp-content/plugins/super-forms/uploads/php/files/e5cda1858f02bddafbdee3a299f73a19/51521186277.pdf
- https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/c127b90393f24dce37a288300e038ec0/morafozimunapene.pdf
- https://fotovipvercelli.it/file/93321670967.pdf
- http://thietbixanh.net/uploads/files/vatusu.pdf
- https://veterinarycarefoundation.org/userfiles/file/zitilonuni.pdf
- https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160b1a8270b419---57194377788.pdf
- https://daismene.it/file/xugojigarub.pdf
- http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160b2cac3a0442---suwukewufozi.pdf
- http://omgmediatank.com/userfiles/files/gajuvumepoxubemeg.pdf
- https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2afa40cfca---wipujo.pdf
- https://www.hamburgeriaagricola.com/wp-content/plugins/super-forms/uploads/php/files/ijh53l30gt0n7jv8fbaq6d2k6u/sanawamilanufikide.pdf
- https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/h0nq5acoq1cojh86o2g2tjfatf/jalaniketodoladuge.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=up+bow+down+bow
- 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_off0000cbbc.bine78c1820e4ed1e2496a6390399e1a9b90898a52a25c240ce14ff61cf0fd3b3e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCBBC | 9820 bytes |
font_01_sfnt_off0000e11b.bindaa0b341ea57fd2309399e953b3eebea47877d7ccc418d045223a788a2155789 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE11B | 16656 bytes |
font_02_sfnt_off00010ca8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x10CA8 | 16792 bytes |
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