MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains numerous embedded URLs that point to various domains, many of which appear to be part of a link farm designed to obscure the ultimate destination. Heuristics indicate these links are often hosted on compromised CMS uploads or disposable hosting, suggesting a malicious intent to distribute further payloads or conduct phishing. The ML classifier and ClamAV detection strongly support the malicious nature of this document.
Machine Learning
- Nyx PDF Classifier malicious score 0.9917
Heuristics 6
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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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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=spider+cola+code PDF link annotation
- http://conblocmanado.com/pics/file/13306369243.pdfIn PDF document text
- https://cremeconferences.com/wp-content/plugins/super-forms/uploads/php/files/86a32572b481185168691729de59f48e/tamebafokumisebufikiw.pdfIn PDF document text
- http://dade666.com/userfiles/202109file/2021090201271370554.pdfIn PDF document text
- https://hostsolutions.ro/app/webroot/files/userfiles/files/lonewaxuwutijepirop.pdfIn PDF document text
- http://ufnk.fr/app/webroot/files/file/45607728707.pdfIn PDF document text
- https://relans-nn.ru/images/docs/file/57988113252.pdfIn PDF document text
- https://tamphuctriland.vn/upload/files/wuxam.pdfIn PDF document text
- https://petala.gr/userfiles/file/14951402570.pdfIn PDF document text
- http://www.vlaamspatientenplatform.be/_plugin/ckfinder/userfiles/files/51359042546.pdfIn PDF document text
- http://massimomoroni.it/userfiles/files/sowaxaruluzinef.pdfIn PDF document text
- http://euroambulans.pl/userfiles/file/14865986780.pdfIn PDF document text
- http://geometrarontani.it/userfiles/files/tidumumejizok.pdfIn PDF document text
- http://kppzp.pl/userfiles/file/lupigadukewazezo.pdfIn PDF document text
- http://www.greddy.com/admin/common/ckfinder/userfiles/File/97921399159.pdfIn PDF document text
- http://mnarch.it/userfiles/files/matatilugow.pdfIn PDF document text
- http://radiosalsa.fr/php/rs/filesupload/file/tamagalaworafawaw.pdfIn PDF document text
- https://acethamessecurity.co.uk/wp-content/plugins/super-forms/uploads/php/files/c1e7b80fe9ce52d95ceb1598fb770d8e/ronoxi.pdfIn PDF document text
- http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/d1c7b5b73c11fecc15d8c22947b8fa71/doxililafuretusokaber.pdfIn PDF document text
- https://jamisonfurnace.ca/userfiles/files/50402650881.pdfIn PDF document text
- http://gvs-russia.ru/admin/ckfinder/userfiles/files/fimoramumivabokututusoko.pdfIn PDF document text
- http://a2itsolutions.com/chop/multimedia/userfiles/file/ruvidazezava.pdfIn PDF document text
- http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/8f312e2f53b93c1653807342d9832463/81623988891.pdfIn PDF document text
- http://lepetitjaunais.com/userfiles/file/17813785927.pdfIn PDF document text
- https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1613e7f54d9ed7---tiludubozeso.pdfIn PDF document text
- http://186086.com/upload/files/xudevetupos.pdfIn PDF document text
- https://www.thc.gda.pl/ckfinder/userfiles/files/gevozurufuberazesugejoged.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_off0000d45f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD45F | 10212 bytes |
SHA-256: a48936eb6c14a15528724cd7a85e28a783fee066ec20c0f43ae4bdb2811ae0ea |
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font_01_sfnt_off0000eb4d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB4D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off0001035f.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1035F | 17260 bytes |
SHA-256: 395ad50097e2a97eeaf56a9d39e1bf6cc1d8041dd8f3bb99023924791abbe61f |
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