MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The sample contains embedded JavaScript, which is a common technique for executing malicious code within PDF documents. The numerous external URIs, many pointing to compromised CMS uploads and disposable hosting, indicate a link farm designed to redirect users to potentially malicious content. ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious classification.
Machine Learning
- Nyx PDF Classifier malicious score 0.9921
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://coretry.ru/uplcv?utm_term=william+appleman+williams+the+tragedy+of+american+diplomacy+pdf
- http://bezagsecurity.cz/userfiles/11701001900.pdf
- http://xn--eyt274i.com/upload/files/77378180355.pdf
- http://burchiellati.com/file_fck/file/raterevilexonetelogixas.pdf
- https://agilitynd.com/wp-content/plugins/super-forms/uploads/php/files/55bc7fe7813e820f7368b0bece4e032e/gonekunekibil.pdf
- https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607178e87e783---15474786532.pdf
- http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606e64866a3fd---77071796036.pdf
- https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/c15a7fa4df2fef7bde86f9c34e903b9b/9941497929.pdf
- http://jdhs77.com/clients/58520/File/jugasara.pdf
- https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160afb2ca7e9db---50912279157.pdf
- http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbaef855c8---mekewuxed.pdf
- https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa6f8a683d---42984762555.pdf
- http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095b468796e1---24931337679.pdf
- http://pazzo.jp/js/upload/files/mupip.pdf
- http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af7d1528a85---gilomadezug.pdf
- https://dakhoathienhoa.net/images/files/bawumejeziratiru.pdf
- https://happycustomerservice.com/wp-content/plugins/super-forms/uploads/php/files/129e66a5f6da50ca8786a0540e82f738/56117331761.pdf
- https://www.msolartop.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160874ef326c9a---bawip.pdf
- http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/of2dk8qctol045f22m1j7q2rc7/97332082985.pdf
- https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/4eb5b71b30c8554a44c8cec5d5caa199/foxuzinasaw.pdf
- http://timandlor.com/userfiles/file/71891252303.pdf
- http://hncastlecable.com/d/files/lufovotufopizikiponax.pdf
- https://cottonweb.net/userfiles/file/fodunaziluwuwuvifikod.pdf
- http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084eff0b4afc---simenanoxufisuzowojulewus.pdf
- http://www.sport-konyv.hu/userfiles/file/71185765530.pdf
- https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080d71819f64---nokovifimakifasovoros.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_off0001901b.bin65291464d48659fb41fc74169f153bf300c8dca89cbb5f86e4da0940afe09600 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1901B | 17000 bytes |
font_01_sfnt_off0001bbef.bin158f9589997b8e6d10e4e879ab08ab9f9d01abd47b7f2d9ef629c1b5b13c4144 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1BBEF | 11260 bytes |
font_02_sfnt_off0001d5ff.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1D5FF | 16792 bytes |
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