MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous URLs pointing to compromised websites and disposable hosting, indicating a phishing or malware distribution attempt. The ML classifier and ClamAV detection strongly suggest malicious intent. The embedded JavaScript likely facilitates the redirection to these malicious sites.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
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://crysiq.ru/uplcv?utm_term=how+to+install+rlcraft+without+twitch
- http://seamacros.com/upload/file/26827713481.pdf
- http://yourbuilding.ru/userfiles/files/lufujovemunu.pdf
- http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/phm5pppm21k0rr41p80rfl75g4/56462900377.pdf
- https://europartner2.pl/uploads/57944859210.pdf
- http://nadiadsa.org/userfiles/file/45129545582.pdf
- http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d6ce0be65e---42852162085.pdf
- http://al-bandak.com/userfiles/file/73679316967.pdf
- https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160b1ff60366b7---26647200057.pdf
- http://mirandatutoringcentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a3c294a2a---xelototufo.pdf
- https://grup-insaat.com/userfiles/file/sifuwaluwig.pdf
- https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/cacb34eb2aa1055d4f1a0bbd7fb36966/dukafuzavem.pdf
- http://amphorabeautyclub.com/campannas/file/66487517763.pdf
- http://agendatourvietnam.com/hinhanh/file/23571320843.pdf
- https://master.plus/wp-content/plugins/super-forms/uploads/php/files/ffcd98508257bc22b06dbd3ebbb78a2b/3271159424.pdf
- https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/qdv3mpvt52q014ef10gjr54s8o/82179600782.pdf
- https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/be210082cf14facb7653977cfb171762/pewusefoxufokoxituku.pdf
- http://heibldr.hu/FCKfeltoltott/file/49257852608.pdf
- http://msslink.ru/userfiles/files/manutikeliton.pdf
- https://zoomkish.com/basefile/zoomkishcom/files/97824267091.pdf
- http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160c36ac2def68---59532230380.pdf
- https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160793572526d2---48877141772.pdf
- http://cdhsalumni.com/clients/28864/File/74328417095.pdf
- http://sea-cruise.ru/ckfinder/userfiles/files/zakofitu.pdf
- http://albino-pitti.com/pub_img/file/26665949282.pdf
- https://aannemingsbedrijfbarthulsbosch.nl/userfiles/file/72130532643.pdf
- http://soft-pro.hr/upload/datoteke/31453273877.pdf
- https://memorybg.net/app/templates/js/ckfinder/userfiles/files/bimutarisuwovimusi.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_off0000ef30.bin97b5ec76836ad805258939a6f51d09cd2a4b6a8f60c504c912c3665c3aa8c825 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEF30 | 16860 bytes |
font_01_sfnt_off00011acf.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11ACF | 16792 bytes |
font_02_sfnt_off000132e6.bined6e6788650f075b97faf8d619d22ca1b285236d1e20eb4e11c2cfe9d467172a |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x132E6 | 10480 bytes |
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