MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample was detected as malicious by ClamAV and an ML classifier, indicating a high likelihood of malicious intent. The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised or disposable hosting, suggesting it's part of a link farm designed to redirect users to malicious content. The presence of embedded JavaScript indicates an attempt to execute code within the PDF viewer.
Machine Learning
- Nyx PDF Classifier malicious score 0.9993
Heuristics 7
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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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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 http://jumpstart.mobi/ckfinder/userfiles/files/23185599495.pdf
- http://webdulich.com/js/ckfinder/userfiles/files/57208537431.pdf
- http://goraku-sangyo.com/userfiles/file/vusobowabipipuzefas.pdf
- https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/9chsib43qche6cbhefumvvq5b5/kinexoluxutotudasu.pdf
- http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/dd6c4e84cab1bdbcd148b4fc9cb7589e/28644668469.pdf
- https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607077055df9b---75544122033.pdf
- http://0965818789.com/CKEdit/upload/files/3726154933.pdf
- https://mytekas.com/UserFiles/file/xepuxizuromuvumed.pdf
- https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/dc7bb18c8bc217df645ba9e18c57e37a/xiroderigaregibodejinima.pdf
- https://iwnta.com/userfiles/file/75836271619.pdf
- http://dungcucaytrong.com/images/files/jafamixurakuzovivole.pdf
- http://filtrydokoparek.pl/img/all/33136785187.pdf
- http://melly-incendie.fr/img_db/lixibiruvudafadunido.pdf
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161154a06f37e2---55925748692.pdf
- http://jimigubellifoundation.org/clients/f/f9/f96c94eea877db95ad0a8b6fd709b1ed/File/jisixipemonutavog.pdf
- http://cukiernia-waltar.pl/qcms/userfiles/file/95997522973.pdf
- https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/f3d8d18c5cd0db5f8c2a68ffdb19606c/penukijevelaxelogufa.pdf
- http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/bajuxikuvu.pdf
- http://horizonpestservices.com/userfile/53345676978.pdf
- https://corumosmanlimakina.com/js/ckfinder/userfiles/files/35441172835.pdf
- http://americanpetrochemicals.com/customers/CMS-IMAGES/file/sitib.pdf
- http://thebeautyofdesign.nl/ckfinder/userfiles/files/walevovufibalubevosadewu.pdf
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=how+to+reset+code+for+genie+garage+door+opener
- 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_off0000cc61.binbd42b0a171fa406addb94641458685150306d7e8494053aeb8be9b62aba3f1cb |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCC61 | 10824 bytes |
font_01_sfnt_off0000e554.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE554 | 16792 bytes |
font_02_sfnt_off0000fd66.bin79675922691edba3d9d16820f6b75bd9703f9abd7cd53b236dc07abaefe20223 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFD66 | 16896 bytes |
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