MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1059.007 JavaScript
This PDF contains embedded JavaScript and a large number of external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9957
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 https://huntic.ru/uplcv?utm_term=can+i+download+more+widgets+for+android
- http://bagiez.com/userfiles/file/wukuvasugosumijizobewijo.pdf
- http://wwm-quanta.com/upload/files/19854848447.pdf
- http://chaodontuonglai.vn/uploads/ck_upload/files/nedijapixinosobimuxidi.pdf
- https://drmiamiconnect.com/wp-content/plugins/super-forms/uploads/php/files/e508b22a6d7af90261bcbea9d7926609/lisitogusupatavi.pdf
- https://staffxrecruitment.com/wp-content/plugins/super-forms/uploads/php/files/d65db937f101a87c385d9e82325a4f19/66725160415.pdf
- https://thisissati.com/userfiles/files/82546157388.pdf
- http://identik.hu/editor_up/jigosazesepagadakajesuve.pdf
- http://word.mn/uploads/assets/93652115750.pdf
- https://brune-schmuckwerk.de/ckfinder/userfiles/files/mewesojitalawumetuz.pdf
- https://tamtam.com.ua/wp-content/plugins/super-forms/uploads/php/files/12b7b8387318f4e9478f06de80e75f80/degafavigawapumefogeneze.pdf
- https://praktijk.zorglink.nl/ckfinder/userfiles/files/14529421308.pdf
- http://fsgpj.com/upfolder/e/files/20210911084513.pdf
- https://godparents4tz.org/home/god/public_html/ckfinder/userfiles/files/39872508017.pdf
- http://around-sicily.net/userfiles/file/kabebametibemuf.pdf
- http://asupuro.com/upload/save_image/files/nonekaxomipobosatobolela.pdf
- https://cfacgroup.com/uploads/FCK_files/file/9903593402.pdf
- http://scuderia512.com/js/upload/files/89973593428.pdf
- http://obrienbuilders.com/userfiles/file/13320075694.pdf
- https://tlkingatlan.hu/kepek/other/file/80600262255.pdf
- http://oecschool.com/userfiles/file/supogufe.pdf
- http://uk-finansist.ru/userfiles/file/lozaluvaxe.pdf
- https://caror.hu/ckfinder/userfiles/files/17566523810.pdf
- http://chono.mn/uploads/userfiles/files/vifusedijunawotoma.pdf
- 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_off0000ae37.bin1d9969ca03f01756b4cade9779511df0ece5cbaf08eba612ebaab8f76888017f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xAE37 | 14284 bytes |
font_01_sfnt_off0000d1f7.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD1F7 | 16792 bytes |
font_02_sfnt_off0000ea0e.bince09bc1267120ea0cb2096e9dcfd7e87cdacb561c5634767c8844682ce93ec33 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEA0E | 10812 bytes |
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