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 indicated a high probability of maliciousness. It contains embedded JavaScript and numerous external URIs, many of which point to compromised CMS uploads or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The embedded JavaScript likely facilitates the redirection or further payload delivery.
Machine Learning
- Nyx PDF Classifier malicious score 0.9928
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://inwebjor.ru/uplcv?utm_term=khesari+ka+new+film
- https://autoandtruckrepair.net/nbloom/fckuploads/file/40010703415.pdf
- http://tobn56.com/UpFiles/file/63548825664.pdf
- http://serdceprirody.ru/userfiles/file/89774057707.pdf
- http://www.masozilina.sk/ckfinder/userfiles/files/negonakivuxi.pdf
- http://veewood.com/file_media/file_image/file/80233310235.pdf
- https://media-get.com/userfiles/files/86769166218.pdf
- http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423aa80e2a9---jizapatewagusufup.pdf
- http://thepokeluau.com/uploads/files/zuxavuno.pdf
- http://ganan10.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7c61dda83---92090520420.pdf
- http://computerdoki.hu/user/file/36748533580.pdf
- https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/e5a3879f919e95934efed26534910e1e/7334523975.pdf
- https://fundacjaartfreeart.pl/userfiles/file/duluposubidametowasifu.pdf
- http://bugskin.org/userfiles/file/levidoxologibasepomika.pdf
- http://reichspfarrer.sk/file/3698008403.pdf
- https://harom.ro/files/file/90766571554.pdf
- http://hatowo.com/app/webroot/uploads/files/13558050965.pdf
- https://southernwashpros.com/nbloom/fckuploads/file/63991406906.pdf
- http://ieeepes-thailand.org/app/webroot/files/files/nonadafilizujukej.pdf
- http://pyroglobal.sk/app/webroot/files/userfiles/files/rurowugepadejudageta.pdf
- https://guptajimarriagebureau.com/userfiles/file/kaworagumexigosa.pdf
- http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/kujisuvavavikomaxafani.pdf
- http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/6252f8b064043bac751c8f3747b1e90c/netobuxekomidani.pdf
- http://benly-carson.com/product/files/47653939786.pdf
- http://promocode.lu/userfiles/files/2008197408.pdf
- http://m-camper.ru/ckfinder/userfiles/files/rawugamirusotupenad.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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000d3d7.bind49886a2a726de5dc2504fc698092570cc6aabca89f0f742583d71cf82a357e6 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD3D7 | 10428 bytes |
font_01_sfnt_off0000eb48.bine84f611e71ce6774291d8d5d1b18e3fc3d1d5d0d1e3cdfd1ad567153276e4592 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB48 | 20904 bytes |
font_02_sfnt_off000121cb.binc0217721a1102ad1f8a8ff5461faadb02f26a3634bfe128d67f68b25b112ee8f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x121CB | 16180 bytes |
font_03_sfnt_off00013774.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13774 | 16792 bytes |
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