MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
The sample is identified as malicious by ClamAV and an ML classifier, with heuristics indicating embedded JavaScript and a link farm pointing to compromised CMS uploads and disposable hosting. The embedded JavaScript likely facilitates the redirection to malicious URLs, which are numerous and varied, suggesting a phishing or malware distribution campaign. The presence of multiple PDF_URI and PDF_SEO_DISPOSABLE_LINK_FARM heuristics strongly supports the attack pattern of luring users to external sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9976
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://huntic.ru/uplcv?utm_term=prime+video+apk+android+tv+box PDF link annotation
- https://reaga.net/js/ckfinder/userfiles/files/15575675034.pdfIn PDF document text
- http://mariautonoleggiomarsala.it/userfiles/files/jusufogididegelewifes.pdfIn PDF document text
- http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613812ffd601d---28339358162.pdfIn PDF document text
- http://blackhorsesc.pl/userfiles/file/40623128463.pdfIn PDF document text
- https://mpressivelabels.com.au/application/third_party/ckfinder/userfiles/files/71702353867.pdfIn PDF document text
- http://hellnocancershow.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137f0212ccda---joxasodewis.pdfIn PDF document text
- http://flightshop.jp/images/blog/file/jijolukidojobekobivaz.pdfIn PDF document text
- http://arcos-eff.it/userfiles/files/80695326491.pdfIn PDF document text
- http://sov.tranovice.org/webpagebuilder/ckfinder/userfiles/files/ponokozonenitadujasi.pdfIn PDF document text
- https://5of7edwardstreet.com/assets/media/files/lufavafo.pdfIn PDF document text
- http://filipdegreef.be/uploads/files/mibatuxomixe.pdfIn PDF document text
- https://www.techsrollout.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613116e61e24f---selurilinofib.pdfIn PDF document text
- http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1613f18660e4fa---93930881928.pdfIn PDF document text
- https://llbyggodesign.se/UserFiles/files/26023827014.pdfIn PDF document text
- https://rubenoferro.com/userfiles/file/9129264018.pdfIn PDF document text
- https://www.mppoa.cloudlinesystems.com/assets/ckfinder/userfiles/files/62127266235.pdfIn PDF document text
- http://cornucopiafrederick.com/uploads/files/sowonakojozuxomatelegu.pdfIn PDF document text
- http://xn--80aamwn.xn--p1ai/userfiles/file/libelutexanawam.pdfIn PDF document text
- https://oddluzanie.net/userfiles/file/81087931273.pdfIn PDF document text
- https://kcss.hu/korosi/userfiles/file/18956457819.pdfIn PDF document text
- https://baconbites.com/wp-content/plugins/super-forms/uploads/php/files/f39n8utbc0rf7p39jd05pvfl32/6056192566.pdfIn PDF document text
- https://nilsahost.com/calisma2/files/uploads/4443848793.pdfIn PDF document text
- http://svenskafik.se/uploads/fckeditor/file/28198297673.pdfIn PDF document text
- 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_off0000c3f1.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xC3F1 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_01_sfnt_off0000dc08.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xDC08 | 10740 bytes |
SHA-256: 7fc043ae678043d8dbb524da15d4412402b0f4579555a2709529b9d2a3301022 |
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font_02_sfnt_off0000f470.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF470 | 19788 bytes |
SHA-256: 253d9aabeef26b534500bc4064baba1094a818f0b8d47e322e9b68058aaa0212 |
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