MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1204.002 Malicious Link
The PDF contains a large number of external links, many of which point to other PDF files hosted on compromised websites or disposable domains. This behavior is indicative of a link farm designed to distribute malicious content or facilitate phishing attacks. The ML classifier and ClamAV detection strongly support its malicious nature.
Machine Learning
- Nyx PDF Classifier malicious score 0.9936
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://accounting789.com/ThImg/file/waxigas.pdf In PDF document text
- https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/b7d9b769e3668345489951aac9dec3ac/85801840521.pdfIn PDF document text
- https://grand-forge.ru/wp-content/plugins/super-forms/uploads/php/files/4ba47309240591bac04604bb9a52ecab/18071661279.pdfIn PDF document text
- https://churchosonline.com/wp-content/plugins/super-forms/uploads/php/files/f22fb538db62b1c1b469be85640e4e92/xosezajegogipuva.pdfIn PDF document text
- http://jucal.es/images/file/89706803208.pdfIn PDF document text
- http://williamshudson.org/clients/3/35/35bf74ce48b5c120232fd40fb4fe3e45/File/44352877439.pdfIn PDF document text
- http://fixmyhelicopter.com/project-new/christianbook/upload_images/file/24223736478.pdfIn PDF document text
- http://kaztelcom.kz/ckfinder/userfiles/files/rinipojumopulusojor.pdfIn PDF document text
- https://www.hausbootgeiseltalsee.de/wp-content/plugins/super-forms/uploads/php/files/q612g26rfrdbh9act58r2q394t/86638326172.pdfIn PDF document text
- https://alkhairi.co.uk/wp-content/plugins/super-forms/uploads/php/files/98619739d62b034698c6a842d62b7d14/reganesoge.pdfIn PDF document text
- http://gocreate.termall.pl/upload/fck/file/87485043203.pdfIn PDF document text
- https://voyagerf.ru/wp-content/plugins/super-forms/uploads/php/files/5098c75a7b63ed96fc7b4c11320bae08/fanukilamikadimiga.pdfIn PDF document text
- http://www.logomarcanet.com/userfiles/file/81462914357.pdfIn PDF document text
- https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/4a29e1b5e62ac2bb7718643c0f42152b/xefilesosujesotexogejibax.pdfIn PDF document text
- http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba9a98830fb---26287591542.pdfIn PDF document text
- https://alasclub.gr/neuro/ckfinder/userfiles/files/83071295645.pdfIn PDF document text
- https://trucraftsmanship.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ee370e84c4---jegad.pdfIn PDF document text
- https://mabuksusu.com/contents//files/tuzot.pdfIn PDF document text
- http://prabashproperties.com/ckfinder/userfiles/files/17898688037.pdfIn PDF document text
- https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/ddf5ffcd8b15ec1d3afface71e6c9dac/sakanojixovewor.pdfIn PDF document text
- http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb6c8d82f9d---90711668597.pdfIn PDF document text
- http://xn--80aantfcaehjbxzf1m.xn--p1ai/userfiles/file/jisoba.pdfIn PDF document text
- https://lecapsuledigian.it/file/53343482296.pdfIn PDF document text
- http://saovietgroup.com/upload/FCK/file/3109038800.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=love+of+self+meaningPDF link annotation
- 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_off00011587.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11587 | 17688 bytes |
SHA-256: a8dcb9fca0ca3d8a967881ab91044590c75d6ae4d1f0b80251416283a55fe7a2 |
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font_01_sfnt_off000142e9.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x142E9 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_02_sfnt_off00015b00.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x15B00 | 10384 bytes |
SHA-256: e2035a6ea3cd4f750a507d00b275918d81dbafff0d295d21bebbe04027c7cc9e |
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