MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample is a PDF containing embedded JavaScript, which is a common technique for executing malicious code. Several heuristics indicate the PDF is part of a link farm, with many external URIs pointing to compromised WordPress sites or disposable hosting, suggesting a phishing or malware distribution attempt. The ClamAV detection and ML classifier further support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9846
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 https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/2ab9b9726fc2a143e7a1ab4190f9ddac/52880205987.pdf In PDF document text
- http://hvpeds.com/upload/contents/file/7563862787.pdfIn PDF document text
- http://anchor-m.com/js/upload/files/vapitofisunof.pdfIn PDF document text
- https://singaporenotarypublic.com/wp-content/plugins/super-forms/uploads/php/files/a00677aa5d636089e63560b8247f0ce5/dudolixadipepiterapisuzo.pdfIn PDF document text
- https://gtsonline.nl/wp-content/plugins/super-forms/uploads/php/files/52vas8ieeibnh00krmovmeauhp/66010086517.pdfIn PDF document text
- https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/vpire15tamnidnftune4ne3uq8/vibudupawukowojiwipil.pdfIn PDF document text
- http://villahetzwartepaard.nl/survey/userfiles/files/44009983907.pdfIn PDF document text
- https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/8da81d0838f148e6f8750071dda221fb/magukozetoxaxazasufugikew.pdfIn PDF document text
- https://bestcoloringpages.com/userfiles/file/dodupikotudugibolizep.pdfIn PDF document text
- http://uyaviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ff5537521---20638354982.pdfIn PDF document text
- https://www.teppiche-waschen-hamburg.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609cf005dc35e---sigokewumanamakaxexofag.pdfIn PDF document text
- http://progfin.pl/userfiles/file/notavikuzaxolugiju.pdfIn PDF document text
- https://mar3ol.com/Files/files/39080776106.pdfIn PDF document text
- http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a8e05358cf0---lipenuwodikuzabuwojika.pdfIn PDF document text
- http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ce11d714db---71998180329.pdfIn PDF document text
- http://creativeindustries.ru/uploads/userfiles/file/bebikevikurunata.pdfIn PDF document text
- https://kassa-evotor.ru/wp-content/plugins/super-forms/uploads/php/files/aitclqslkliu7t07tbvdfdmico/16442727378.pdfIn PDF document text
- https://nepalonetours.com/userfiles/files/86316924330.pdfIn PDF document text
- http://perfekttorun.pl/pliki/jakil.pdfIn PDF document text
- http://alanurturizm.com/rsm/files/30996456137.pdfIn PDF document text
- http://www.tamtrebinhminh.com/public/files/tafulivobexi.pdfIn PDF document text
- http://worldsocialistpartyindia.org/ckfinder/userfiles/files/77252982990.pdfIn PDF document text
- http://saothienemb.com/uploads/images/files/76735517375.pdfIn PDF document text
- http://chocolatycakes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a6ea7ccaaf3---14770718867.pdfIn PDF document text
- https://xn--80aaaglcftt5alesfkk7f.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1741c5a5cd6aeafbc16108480270324f/72940826976.pdfIn PDF document text
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076b0a77c3e7---43871983435.pdfIn PDF document text
- https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=qasida+ghousia+pdfPDF link annotation
- http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
- http://purl.org/dc/elements/1.1/In PDF document text
- http://ns.adobe.com/pdf/1.3/In PDF document text
- http://ns.adobe.com/xap/1.0/In PDF document text
- http://ns.adobe.com/xap/1.0/mm/In PDF document text
- http://ns.adobe.com/xap/1.0/rights/In PDF document text
- http://dejavu.sourceforge.netIn PDF document text
- http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text
Extracted artifacts 3
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000cb40.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xCB40 | 10456 bytes |
SHA-256: b51a719006961d4424379b5b4367283104aee18ef9a7f42003077b88a454634a |
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font_01_sfnt_off0000e2f0.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xE2F0 | 18832 bytes |
SHA-256: eb0f7cae5c9a8f7590f0e59c605cf22b0aa1919e06bebcca22e8196254f24894 |
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font_02_sfnt_off00011460.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11460 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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