MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF contains embedded JavaScript and numerous external URIs, many of which point to compromised websites or disposable hosting, indicating a link farm designed to redirect users. The ML classifier and ClamAV detection strongly suggest malicious intent, likely for phishing or malware distribution.
Machine Learning
- Nyx PDF Classifier malicious score 0.9956
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://laborke.ru/uplcv?utm_term=free+porn+games+on+ios
- https://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/a2aptbeoep98kp75bg2tqm2u6e/raviwerebefelafabesapus.pdf
- https://cochleartudaskozpont.hufiles/96464927842.pdf
- https://sidexsideaudio.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080467c26c1e---banuzodawabenezazufov.pdf
- https://bbpartner.cz/userfiles/file/35546746326.pdf
- https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072394d6ab49---jorolo.pdf
- https://asiajitutop.com/contents//files/99251928609.pdf
- http://apartamentosalbatros.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd216647402---sinixefige.pdf
- http://farashimirooz.com/files/4434290010.pdf
- http://lightningriskassessment.com/ci/userfiles/files/23410919706.pdf
- http://falconartistmanagement.com/ckfinder/userfiles/files/timaledoteliti.pdf
- https://alzubidi.com/userfiles/files/42382635485.pdf
- http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/35m2nkqagshhbg2n2mlm0ks0su/16638996773.pdf
- http://vintageguitar.ru/ckfinder/userfiles/files/dobirasigisuletuzapexuv.pdf
- http://morecoredesign.com/images/imageUps/files/gewujorigoditivawenu.pdf
- https://www.helpfulhunks.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ec4494d031a---10629007327.pdf
- https://registracijakoncar.com/webroot/js/ckfinder/userfiles/files/zokasowatefaw.pdf
- http://fewo-spreewald-schoetzigk.de/brandenburgtag/img/editor/file/totipitipa.pdf
- http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607a397a5098b---xodopadivexaketavozat.pdf
- https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/f1ppgqgd6c3v1ou7i47jtv4avk/46076217933.pdf
- http://aligokdemir.com/resimler/files/95676367677.pdf
- https://ficsllc.com/wp-content/plugins/super-forms/uploads/php/files/arqcf1gd1ni9fs3tat4ctfvg2n/wolajigozigerofe.pdf
- http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cc96b94ef61---wegifukomotatumoru.pdf
- http://xn--80aaeiengkwpz6p.xn--p1ai/pub/file/40930407120.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_off0000ebb8.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEBB8 | 16792 bytes |
font_01_sfnt_off000103ca.bina5f4df9c99d5bf6e4c7e0a015835074b12a0e31ee7250abc3b108ad33ea7aa7e |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103CA | 17216 bytes |
font_02_sfnt_off0001309a.binfa6b81887ceebcfb1b0e5bc32da4ef768f2f3306fd6185c34fb3581fdc190729 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1309A | 10428 bytes |
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