MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
This PDF file was flagged by ClamAV as Pdf.Phishing.Trojan and a machine learning classifier. It contains embedded JavaScript and a large number of external URIs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a phishing or scam lure. The embedded JavaScript likely facilitates the redirection to these malicious URLs.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://drafthe.ru/uplcv?utm_term=iphone+screen+not+working+how+to+unlock
- https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/931022605a39d993077e5ea82bee509e/lokamerebudidupidizure.pdf
- http://studiomarazzi.eu/userfiles/files/liwubogejudijimiraziv.pdf
- https://kodeac.com/wp-content/plugins/super-forms/uploads/php/files/k7vdruv19nbts48v9sh1q41d2m/27850497445.pdf
- https://www.nevjegykiraly.hu/userfiles/files/ranelarawa.pdf
- https://dianthusindustrial.com/resimler/files/8084108009.pdf
- https://www.natursany.com/ckfinder/userfiles/files/3643524965.pdf
- https://aymexco.eu/ckfinder/userfiles/files/jevexufupibazidegutexolab.pdf
- http://bidmitt.com/img/files/file/54535917866.pdf
- https://reaga.net/js/ckfinder/userfiles/files/66596279624.pdf
- http://alphamarino.kz/images/news/file/81978709318.pdf
- https://www.pferde-fuer-unsere-kinder.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613aff759122c---28287248167.pdf
- http://agrostroi-proekt.ru/ckfinder/userfiles/files/vomol.pdf
- http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/a36552823dcf39530282387937e237ac/tubojapoferele.pdf
- http://nppgursaraijhansi.in/ckfinder/userfiles/files/joribuxebuguforixoxabi.pdf
- https://easy2ticket.com/upload/files/30180454862.pdf
- https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1612fc55b596ac---tefavex.pdf
- http://staceyasp.com/UserFiles/file/zasoberiwoju.pdf
- http://haenuri.net/ckupload/files/woxubusagomi.pdf
- http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16138e8fb458f9---91377221829.pdf
- http://self119.net/upload/userfiles/2021/09/files/210907205342.pdf
- https://nuevocoach.co.uk/wp-content/plugins/super-forms/uploads/php/files/e0a60491aed655badf4afaba0ef1a2ab/fosuzi.pdf
- https://nhaban24h.com.vn/wp-content/plugins/super-forms/uploads/php/files/7gadnjvg4sfjo7bti6ot2hjnqm/tunuvi.pdf
- http://sochi-polyana.com/ckfinder/userfiles/files/59314014829.pdf
- http://xinghui.co/upload/ckimg/files/202109030429037588.pdf
- http://hasomedia.com/userfiles/file/bajag.pdf
- http://ieeepes-thailand.org/app/webroot/files/files/7984942991.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_off0000f74b.bine0aca7f9119fcd1e2601e58fa8b00895c341e94cc96853ebbf96b8face30e8a5 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xF74B | 19016 bytes |
font_01_sfnt_off0001287c.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1287C | 16792 bytes |
font_02_sfnt_off00014093.bin5b2a351d801094a3c44d36e487e68f754e6c8137ec3d692193ccb3f2bb0c77a0 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x14093 | 10720 bytes |
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