MALICIOUS
156
Risk Score
Malware Insights
MITRE ATT&CK
T1566.001 Spearphishing Attachment
The file is a PDF containing a link farm hosted on multiple compromised websites, as indicated by the 'PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM' and 'PDF_SEO_DISPOSABLE_LINK_FARM' heuristics. The ML classifier and ClamAV also flagged this PDF as malicious, specifically as a phishing trojan. While no scripts were directly extracted, the structure suggests it's designed to lure users into clicking malicious links.
Machine Learning
- Nyx PDF Classifier malicious score 0.9835
Heuristics 6
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ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTIONClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
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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://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/f2c1756612dabc022edd8b44612985b7/logedulup.pdf
- https://digireg.se/upload/jawegof.pdf
- https://circolodelpistone.ch/userfiles/file/9390168350.pdf
- http://allasclub.com/campannas/file/17590790732.pdf
- https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/c31c6d238fbfa7eb68a4e6e75b21efc6/kafusirenamoki.pdf
- https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e1c919399---94346795413.pdf
- http://eko-inwest.eu/upload/file/98857956793.pdf
- http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160d422730b126---femudakabadebinowuk.pdf
- http://www.manorbymajor.com/userfiles/files/60091714062.pdf
- https://www.psalighting.com/wp-content/plugins/super-forms/uploads/php/files/baab84f1b25f2f960950b0bbd61b4208/62454134268.pdf
- http://www.myhhsi.com/wp-content/plugins/super-forms/uploads/php/files/a4b104b7d05c7e439fef4c242f77fe82/fabaribatopazorofa.pdf
- https://srp-galabau-rostock.de/wp-content/plugins/super-forms/uploads/php/files/ahnmh6vo4em4kpvf6tu063s0fr/bikebefumusejibi.pdf
- http://www.norestim.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d222d3881ac---76055006105.pdf
- http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/160707d6091116---mebegoxovadoki.pdf
- https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609dad00aa340---26299442698.pdf
- http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d5670069ba8---buzuraxigekima.pdf
- http://lncxjzxxw.com/upload_fck/file/2021-6-17/20210617225406299719.pdf
- http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093069020757---40158769318.pdf
- https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/2031a038c23603c56cc3da3335a45bb4/dawumewi.pdf
- http://cohn-vossen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160720eb978002---zozovomarinewutoxanun.pdf
- https://i3mit.com/shopadmin/upload/files/tutumakefumetavudovowe.pdf
- https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160804945b0cbc---fofimafesuravos.pdf
- http://gtshotel.it/images/file/91879277531.pdf
- http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160c90ed557fa7---34472429926.pdf
- http://rydelko.pl/userfiles/file/roxivizeva.pdf
- https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609070396a3fd---munuveworadafimu.pdf
- https://feedproxy.google.com/~r/skout/mBVl/~3/3vuEKuznOb8/uplcv?utm_term=past+participle+and+past+continuous
- 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_off0000fcea.bin6984dda5d781f50cfb8e0a9d7ca778879d1ccc81a22de2795d432e05bca6a03f |
pdf-font-stream | PDF embedded font (sfnt) at offset 0xFCEA | 20188 bytes |
font_01_sfnt_off00012f58.bin9d2294e344127da9ddc2b77d68b1576b6b78373885bc9da2859f180a98f2c1e1 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x12F58 | 16792 bytes |
font_02_sfnt_off0001476f.bine7058280e7f9140bba79e02a8b19ae38a028a48d5851e91e61b3ddbe697b3d92 |
pdf-font-stream | PDF embedded font (sfnt) at offset 0x1476F | 10608 bytes |
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