MALICIOUS
164
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
T1203 Exploitation for Client Execution
This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm, many hosted on compromised CMS upload directories and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.
Machine Learning
- Nyx PDF Classifier malicious score 0.9978
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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Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTONDocument contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
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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://nova-auto.com/upload/gufabutaj.pdf In PDF document text
- http://asremajazi.com/uploads/files/jejonuxokefilu.pdfIn PDF document text
- http://marasintl.com/public/ckfinderuploads/files/xorujofovu.pdfIn PDF document text
- http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082e26ef2a8a---7018722176.pdfIn PDF document text
- https://akanaymatbaa.com/calisma2/files/uploads/vozotukuzelakewix.pdfIn PDF document text
- http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7eea25abd3---24843116087.pdfIn PDF document text
- http://studiocalderini.it/userfiles/files/pefexetixipetobozogemagad.pdfIn PDF document text
- http://svatba-emi.com/uploads/pages/files/pujafo.pdfIn PDF document text
- http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cae49a00b9d---xobux.pdfIn PDF document text
- http://modnyi-buket.ru/uploads/files/28331068629.pdfIn PDF document text
- https://songhong.info/userfiles/file/9513882945.pdfIn PDF document text
- http://stepsforstarlight.ca/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/wuferupujipaxojibamipik.pdfIn PDF document text
- http://xoblates.com/clients/e/e0/e08cfb93fb97b00c28394d0532709dc9/File/27823004640.pdfIn PDF document text
- https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/e9fdg5is692l3i0co9tkib1k01/29844895502.pdfIn PDF document text
- https://lakeshoresmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/2n7cidqgdkb59of7eu902dg853/19910346615.pdfIn PDF document text
- https://humanistbeauty.com/wp-content/plugins/super-forms/uploads/php/files/9sno8ra38c2mc6obh9bkbb235t/nevugebekutefarusavuji.pdfIn PDF document text
- http://petra-dario.info/upload/datoteke/8804417562.pdfIn PDF document text
- http://horizonpestservices.com/userfile/84697159311.pdfIn PDF document text
- http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b7934c74df4---13903509393.pdfIn PDF document text
- http://chinoboxingclub.com/clients/36032/File/negiwixumukedujunogafid.pdfIn PDF document text
- http://wannawwannie.pl/userfiles/file/kejiwojotafedovila.pdfIn PDF document text
- http://musikpark-live.de/userfiles/file/20574338446.pdfIn PDF document text
- http://phuclocvienjsc.com/uploads/image/files/bugabugiwixadovi.pdfIn PDF document text
- http://obras.ru/sites/default/files/uploads/pujopononasaripixe.pdfIn PDF document text
- https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=hand+lettering+practice+sheets+procreatePDF 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 4
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_sfnt_off0000eb7e.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xEB7E | 10784 bytes |
SHA-256: e7d950b7a898046a44d0d1e99d38d9d0355af915b0dd746acade0c5722b9a25d |
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font_01_sfnt_off000103ed.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x103ED | 16320 bytes |
SHA-256: d5168dca2039949f15da4afee23a3fba735b8bfe3d3be0270e13ae63074a2faf |
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font_02_sfnt_off00011a17.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x11A17 | 16792 bytes |
SHA-256: 9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
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font_03_sfnt_off00013229.bin |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x13229 | 18076 bytes |
SHA-256: 963fc368c0d23e704cd2b275536a40d624f27b998a15e0cb3b2db5c53e5a1715 |
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