MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The PDF was flagged by ML classifiers and ClamAV as a malicious phishing trojan. It contains numerous embedded URLs, many of which point to compromised CMS uploads or are hosted on disposable domains, suggesting a link farm designed to redirect users to malicious content. While no scripts were explicitly extracted, the nature of the embedded links and the detection as a trojan indicate a phishing or redirection attack.
Machine Learning
- Nyx PDF Classifier malicious score 0.9960
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 http://falegnameriacastiglione.it/userfiles/files/14795541650.pdf In PDF document text
- https://speedwayinfo.hu/uploads/file/20451689258.pdfIn PDF document text
- https://promobryansk.ru/userfiles/files/ritesamorilokerekezefade.pdfIn PDF document text
- http://poltinik.ru/userfiles/file/28506579254.pdfIn PDF document text
- http://psycare-spb.com/userfiles/file/tewawiwadoba.pdfIn PDF document text
- https://siyata.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1614087098527d---tepore.pdfIn PDF document text
- http://eaupureinternational.com/userfiles/file/womesimerigox.pdfIn PDF document text
- http://sethhukumchandschool.com/userfiles/file/8022694868.pdfIn PDF document text
- http://www.valaisconsulting.ch/file/joxemitev.pdfIn PDF document text
- http://ankaraeksioglu.com/resimler/files/92786084336.pdfIn PDF document text
- http://myepres.com/HotelEstimator/userfiles/file/57279506702.pdfIn PDF document text
- http://capableapp.com/uploads/files/7821200726.pdfIn PDF document text
- http://prinsart.ro/uploads/files/9434733244.pdfIn PDF document text
- https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/df9cbd1ef5af9d8c4c45a752e03c9e7b/20008684488.pdfIn PDF document text
- http://tjsijiqing.com/ckfinder/userfiles/files/2021/0908/b94718ec454cd2c2e549348e94b3b92e.pdfIn PDF document text
- https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/161338db470bd6---kulorasulekedotoro.pdfIn PDF document text
- https://sledovani2.gpshlidac.cz/www/userfiles/files/joputukubitibeloxezesoza.pdfIn PDF document text
- http://gpsputhuppally.com/userfiles/file/73195183238.pdfIn PDF document text
- http://surestegc.org/documentos/file/47497196602.pdfIn PDF document text
- http://fatfailogistics.com/fckeditor/files/file/zidasawon.pdfIn PDF document text
- https://capecoralliving.com/media/file/sowidofuxuzabetelajebise.pdfIn PDF document text
- https://tktravelkorea.com/FileData/ckfinder/files/20210912_B2ECF05D41EDF7BE.pdfIn PDF document text
- https://bhiringisamsankalimandir.org/ckfinder/userfiles/files/83700567006.pdfIn PDF document text
- https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=random+block+mod+for+minecraft+pePDF 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_off0000d5fb.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xD5FB | 18172 bytes |
SHA-256: 0cb882d1f4d4ad1d024644c6be0aeef71d6eecad84f1d61172cfca3fc70786b4 |
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font_01_sfnt_off0001053d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1053D | 10892 bytes |
SHA-256: cc70b169b5e10bf6350116b8f8a25bf33127adcbed37ec6e02abe0f02c2dbf6b |
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font_02_sfnt_off00011e2d.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11E2D | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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